Blasdale, Washington C. (1901), Contributions to the mineralogy of California University of California Department of Geological Sciences Bulletin: 2: 328, 333, 345

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Albite

Formula: Na(AlSi₃O₈)

Locality: Unnamed Amphibole occurrences [1], San Pablo, Contra Costa County, California, USA

Colour: White

Description: Occurs as veins cutting actinolite schists.

References:

Blasdale, Washington C. (1901), Contributions to the mineralogy of California University of California Department of Geological Sciences Bulletin: 2: 343, 345

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Alum-(K)

Formula: KAl(SO₄)₂ · 12H₂O

Locality: Nortonville Mine, Nortonville, Contra Costa County, California, USA

Description: Finely crystallized specimens.

References:

Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 82.

ⓘ Alunogen

Formula: Al₂(SO₄)₃ · 17H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Habit: Fibrous

Colour: White

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Anauxite'

Localities:

Contra Costa County, California, USA
Unnamed Clay occurrence [2], Brentwood, Contra Costa County, California, USA

ⓘ Anthophyllite

Formula: ◻Mg₂Mg₅(Si₈O₂₂)(OH)₂

Locality: Unnamed Amphibole occurrences [1], San Pablo, Contra Costa County, California, USA

Description: Occurs as fibrous masses in schists.

References:

Blasdale, Washington C. (1901), Contributions to the mineralogy of California University of California Department of Geological Sciences Bulletin: 2: 343

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Asbestos'

Localities: Reported from at least 6 localities in this region.

ⓘ Baryte

Formula: BaSO₄

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.

ⓘ Bornite

Formula: Cu₅FeS₄

Locality: Mitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA

Description: Occurs in small quantities.

References:

Turner, Henry Ward (1891), The geology of Mount Diablo, California: Geological Society of America Bulletin: 2: 391

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.2

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 110, 131.

ⓘ Calcite

Formula: CaCO₃

Localities:

Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [2] (Prospects in Perkins Canyon), North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

BRSSI & Land Management Company prospect, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unity claim [?], Eagle Peak, Clayton, Contra Costa County, California, USA
Eagle Peak Au-Cu occurrence, Eagle Peak, Clayton, Contra Costa County, California, USA
Mitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Localities:

Mount Zion Chrome prospect, Eagle Peak, Clayton, Contra Costa County, California, USA
Unnamed Cr occurrence [1], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Chrysocolla

Formula: Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

Locality: Black Point Adit Mine, Eagle Peak, Clayton, Contra Costa County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Chrysotile

Formula: Mg₃(Si₂O₅)(OH)₄

Localities:

Arroyo Del Carro prospect, Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [1], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Cinnabar

Formula: HgS

Localities:

ⓘ Clinochlore

Formula: Mg₅Al(AlSi₃O₁₀)(OH)₈

Locality: Unnamed Amphibole occurrences [1], San Pablo, Contra Costa County, California, USA

Description: Occurs in schists.

References:

Blasdale, Washington C. (1901), Contributions to the mineralogy of California University of California Department of Geological Sciences Bulletin: 2: 341

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 137

ⓘ 'Clinoptilolite Subgroup'

Formula: (Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O

Localities:

Interstate highway 80 - highway 4 intersection area, Hercules, Contra Costa County, California, USA
Unnamed Zeolite occurrence [1], Briones Hills, Contra Costa County, California, USA
Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Authigenic. A common constituent of Miocene Brones Sandstone. An early alteration product of volcanic glass.

ⓘ Copiapite

Formula: Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 156

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Coquimbite

Formula: AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Cristobalite

Formula: SiO₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs as a gangue mineral.

References:

White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 591

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Crossite'

Locality: Unnamed Amphibole occurrences [1], San Pablo, Contra Costa County, California, USA

Description: Occurs in schists.

References:

Palache, Charles (1894b), On a rock from the vicinity of Berkeley containing a new soda amphibole: University of California, Department of Geological Sciences Bulletin: 1: 184

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 344

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Diallage'

Locality: Bagley Creek, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: High proportion of pure material in gabbro.

References:

Turner, Henry Ward (1891), The geology of Mount Diablo, California: Geological Society of America Bulletin: 2: 391

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 308.

ⓘ Diopside

Formula: CaMgSi₂O₆

Localities:

Unnamed Amphibole occurrences [1], San Pablo, Contra Costa County, California, USA
Bagley Creek, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Common with albite in schists.

ⓘ Epsomite

Formula: MgSO₄ · 7H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 178

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

Locality: Unnamed Amphibole-Phosphate occurrence [1], El Cerrito, Contra Costa County, California, USA

Habit: Tabular

Colour: Homney-yellow

Description: Occurs in a glaucophane schist boulder.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 78

ⓘ Fluorite

Formula: CaF₂

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Habit: Cubic

Colour: White

Description: Found with some Cu minerals as small white cubes.

References:

Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 181

Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 187.

ⓘ Glaucophane

Formula: ◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂

Localities:

Turtle Rock Quarry, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Berkeley Country Club, El Cerrito, Contra Costa County, California, USA
Unnamed Amphibole-Phosphate occurrence [1], El Cerrito, Contra Costa County, California, USA

ⓘ Halotrichite

Formula: Fe²⁺Al₂(SO₄)₄ · 22H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Heulandite Subgroup'

Formula: (Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Murata, K.J. and Whiteley, K.R. (1973) Zeolites in the Miocene Brones sandstone and related formations of the central Coast Ranges, California. USGS Jour. Res.: 1: 256-257

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Hypercinnabar (TL)

Formula: HgS

Type Locality:

References:

Potter, Robert W. II, Barnes, H. L. (1978) Phase relations in the binary Hg-S. American Mineralogist, 63 (11-12) 1143-1152

Clark, A. M. (1993) Hey's Mineral Index - Mineral Species, Varieties and Synonyms (3rd ed.). Natural History Museum.

ⓘ Kornelite

Formula: Fe₂(SO₄)₃ · 7H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Lawsonite

Formula: CaAl₂(Si₂O₇)(OH)₂ · H₂O

Locality: Mrs. Anson Blake estate, El Cerrito, Contra Costa County, California, USA

Description: Occurs in schists.

References:

Davis, G. A. (1960) Lawsonite and pumpellyite in glaucophane schist, North Berkeley Hills, California, with notes on the X-ray crystallography of lawsonite, by A. Pabst. American Journal of Science, 258 (10) 689-704 doi:10.2475/ajs.258.10.689p.692

Crawford, W.A. & W.S. Fyfe (1965), Lawsonite equilibria: American Journal of Science: 263: 262

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 238

Thompson, A. B. (1970) Laumontite equilibria and the zeolite facies. American Journal of Science, 269 (3) 267-275 doi:10.2475/ajs.269.3.267

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Marcasite

Formula: FeS₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ransome, Alfred Leslie & J.L. Kellogg (1939), Quicksilver resources of California: California Division Mines Report 35: 377

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 254

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Melanterite

Formula: Fe²⁺(H₂O)₆(SO₄) · H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 258

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Metacinnabar

Formula: HgS

Localities:

Description: Principal ore mineral. Replaced by cinnabar, which retains the crystal shapes (pseudomorphs).

ⓘ Millerite

Formula: NiS

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs as micro-crystals.

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Morenosite

Formula: NiSO₄ · 7H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Colour: Blue-green

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Native Gold

Formula: Au

Locality: Mitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA

References:

Turner, Henry Ward (1891), The geology of Mount Diablo, California: Geological Society of America Bulletin: 2: 391

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.2

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 110, 131, 202.

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Pinole prospect (Pinole Dohrman; Pawsey; Dohrman Pawsey), Bayview-Montalvin, Contra Costa County, California, USA

References:

Davis, Fenelon Francis & J.W. Vernon (1951), Mines and mineral resources of Contra Costa County, California: California Journal of Mines and Geology (Report 47): 47(4): 574, 610

Davis, Fenelon Francis and H.B. Goldman (1958) Mines and mineral resources of Contra Costa County. California Journal of Mines and Geology: 54(4): 521, 571, Pl. 5.

ⓘ 'Psilomelane'

Locality: Red Rock Island deposit, Richmond, Contra Costa County, California, USA

References:

Lawson, Andrew Cowper (1895), Sketch of the geology of the San Francisco peninsula: USGS 15th. Ann. Report: 423

Lawson, Andrew Cowper (1914), Description of the San Francisco district: Tamalpais, San Francisco, Concord, San Mateo, and Hayward quadrangles: USGS Geol. Atlas, San Francisco folio (No. 193), 24 pp.: 23

Bradley, W.W., et al (1918), Manganese and chromium in California: California Mining Bureau. Bulletin 76: 31

Huguenin, Emile & W.O. Castello (1921), Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara, Santa Cruz Counties: California Mining Bureau. Report 17: 55

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 297.

ⓘ 'Pumpellyite Subgroup'

Formula: Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A

Locality: Mrs. Anson Blake estate, El Cerrito, Contra Costa County, California, USA

Description: Occurs in schists.

References:

Murdoch Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 238, 299

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Pyrite

Formula: FeS₂

Localities:

Eagle Peak Au-Cu occurrence, Eagle Peak, Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [2] (Prospects in Perkins Canyon), North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

Locality: Red Rock Island deposit, Richmond, Contra Costa County, California, USA

References:

Whitney, J.D. (1863), First annual report of the State Geologist for 1862: App. Jour. Senate and Assembly, 14th. Session: 79

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 303.

ⓘ Quartz

Formula: SiO₂

Localities:

Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unity claim [?], Eagle Peak, Clayton, Contra Costa County, California, USA
Eagle Peak Au-Cu occurrence, Eagle Peak, Clayton, Contra Costa County, California, USA

ⓘ Römerite

Formula: Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41, 42, 44

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Rutile

Formula: TiO₂

Locality: Berkeley Country Club, El Cerrito, Contra Costa County, California, USA

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 325.

ⓘ Schuetteite

Formula: Hg²⁺₃(SO₄)O₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs in small amounts.

References:

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 332

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Localities:

Unnamed Asbestos prospect [2], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Arroyo Del Carro prospect, Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [1], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unnamed Asbestos prospects [1] (Prospects East of Russellman), North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Siderotil

Formula: FeSO₄ · 5H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: A dehydration product of melanterite.

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41, 42, 44

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 337.

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Silica'

Localities: Reported from at least 7 localities in this region.

ⓘ Stibiconite

Formula: Sb³⁺Sb⁵⁺₂O₆(OH)

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Stibnite

Formula: Sb₂S₃

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 261, 349

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs as authigenic material in Briones Sandstone in fractures as well-formed crystals.

References:

Murata, K.J. and Whiteley, K.R. (1973) Zeolites in the Miocene Brones sandstone and related formations of the central Coast Ranges, California. USGS Jour. Res.: 1: 256-257

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Titanite

Formula: CaTiO(SiO₄)

Localities:

Unnamed Amphibole occurrences [1], San Pablo, Contra Costa County, California, USA
Berkeley Country Club, El Cerrito, Contra Costa County, California, USA

Description: Occurs in schists.

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

Locality: Unnamed Amphibole occurrences [1], San Pablo, Contra Costa County, California, USA

Description: Abundant in schists.

References:

Blasdale, Washington C. (1901), Contributions to the mineralogy of California University of California Department of Geological Sciences Bulletin: 2: 328, 333

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Valentinite

Formula: Sb₂O₃

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Habit: Slender prismatic

Colour: Colorless

Description: Occurs as clusters of needle-like crystals.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 349, 379

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Voltaite

Formula: K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs associated with metallic sulphates.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 382

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

Gallery:

◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂ⓘ Actinolite

Actinolite, etc.

El Cerrito Quarry, El Cerrito, Contra Costa County, California, USA

Actinolite, etc.

El Cerrito Quarry, El Cerrito, Contra Costa County, California, USA

Actinolite, etc.

El Cerrito Quarry, El Cerrito, Contra Costa County, California, USA

HgSⓘ Cinnabar

Cinnabar, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Cinnabar, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Cinnabar, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

FeS₂ⓘ Pyrite

Pyrite, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Pyrite, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Pyrite, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Metacinnabar	2.CB.05a	HgS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Millerite	2.CC.20	NiS
ⓘ	Cinnabar	2.CD.15a	HgS
ⓘ	Hypercinnabar (TL)	2.CD.15b	HgS
ⓘ	Stibnite	2.DB.05	Sb₂S₃
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Valentinite	4.CB.55	Sb₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Stibiconite	4.DH.20	Sb³⁺Sb⁵⁺₂O₆(OH)
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Schuetteite	7.BB.40	Hg²⁺₃(SO₄)O₂
ⓘ	Siderotil	7.CB.20	FeSO₄ · 5H₂O
ⓘ	Melanterite	7.CB.35	Fe²⁺(H₂O)₆(SO₄) · H₂O
ⓘ	Epsomite	7.CB.40	MgSO₄ · 7H₂O
ⓘ	Morenosite	7.CB.40	NiSO₄ · 7H₂O
ⓘ	Alunogen	7.CB.45	Al₂(SO₄)₃ · 17H₂O
ⓘ	Coquimbite	7.CB.55	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
ⓘ	Kornelite	7.CB.60	Fe₂(SO₄)₃ · 7H₂O
ⓘ	Römerite	7.CB.75	Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O
ⓘ	Halotrichite	7.CB.85	Fe²⁺Al₂(SO₄)₄ · 22H₂O
ⓘ	Alum-(K)	7.CC.20	KAl(SO₄)₂ · 12H₂O
ⓘ	Voltaite	7.CC.25	K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O
ⓘ	Copiapite	7.DB.35	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Chrysotile	9.00.	Mg₃(Si₂O₅)(OH)₄
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Lawsonite	9.BE.05	CaAl₂(Si₂O₇)(OH)₂ · H₂O
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Anthophyllite	9.DD.05	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Glaucophane	9.DE.25	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Clinochlore	9.EC.55	Mg₅Al(AlSi₃O₁₀)(OH)₈
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Anauxite'	-
ⓘ	'Asbestos'	-
ⓘ	'Clinoptilolite Subgroup'	-	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
ⓘ	'Crossite'	-
ⓘ	'Diallage'	-
ⓘ	'Heulandite Subgroup'	-	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
ⓘ	'Psilomelane'	-
ⓘ	'Pumpellyite Subgroup'	-	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Silica'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
H	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
H	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
H	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
H	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
H	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
H	ⓘ Epsomite	MgSO₄ · 7H₂O
H	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
H	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
H	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
H	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
H	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
H	ⓘ Morenosite	NiSO₄ · 7H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Alum-(K)	KAl(SO₄)₂ · 12H₂O
H	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
H	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
H	ⓘ Siderotil	FeSO₄ · 5H₂O
H	ⓘ Stibiconite	Sb³⁺Sb₂⁵⁺O₆(OH)
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
O	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
O	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
O	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
O	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
O	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
O	ⓘ Cristobalite	SiO₂
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Epsomite	MgSO₄ · 7H₂O
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
O	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
O	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
O	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
O	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
O	ⓘ Morenosite	NiSO₄ · 7H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Alum-(K)	KAl(SO₄)₂ · 12H₂O
O	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Quartz	SiO₂
O	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
O	ⓘ Rutile	TiO₂
O	ⓘ Schuetteite	Hg₃²⁺(SO₄)O₂
O	ⓘ Siderotil	FeSO₄ · 5H₂O
O	ⓘ Stibiconite	Sb³⁺Sb₂⁵⁺O₆(OH)
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Valentinite	Sb₂O₃
O	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
F	Fluorine
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Na	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Na	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Epsomite	MgSO₄ · 7H₂O
Mg	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Al	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Al	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Al	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
Al	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Al	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Al	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Alum-(K)	KAl(SO₄)₂ · 12H₂O
Al	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Si	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Si	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Si	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Si	ⓘ Quartz	SiO₂
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
S	Sulfur
S	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
S	ⓘ Baryte	BaSO₄
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Cinnabar	HgS
S	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
S	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
S	ⓘ Epsomite	MgSO₄ · 7H₂O
S	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
S	ⓘ Hypercinnabar	HgS
S	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
S	ⓘ Marcasite	FeS₂
S	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
S	ⓘ Metacinnabar	HgS
S	ⓘ Millerite	NiS
S	ⓘ Morenosite	NiSO₄ · 7H₂O
S	ⓘ Alum-(K)	KAl(SO₄)₂ · 12H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
S	ⓘ Schuetteite	Hg₃²⁺(SO₄)O₂
S	ⓘ Siderotil	FeSO₄ · 5H₂O
S	ⓘ Stibnite	Sb₂S₃
S	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
K	Potassium
K	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
K	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Alum-(K)	KAl(SO₄)₂ · 12H₂O
K	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Ca	ⓘ Lawsonite	CaAl₂(Si₂O₇)(OH)₂ · H₂O
Ca	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ti	Titanium
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTiO(SiO₄)
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Mn	Manganese
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Fe	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
Fe	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Fe	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
Fe	ⓘ Siderotil	FeSO₄ · 5H₂O
Fe	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
Ni	Nickel
Ni	ⓘ Millerite	NiS
Ni	ⓘ Morenosite	NiSO₄ · 7H₂O
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Sb	Antimony
Sb	ⓘ Stibiconite	Sb³⁺Sb₂⁵⁺O₆(OH)
Sb	ⓘ Stibnite	Sb₂S₃
Sb	ⓘ Valentinite	Sb₂O₃
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Au	Gold
Au	ⓘ Native Gold	Au
Hg	Mercury
Hg	ⓘ Cinnabar	HgS
Hg	ⓘ Hypercinnabar	HgS
Hg	ⓘ Metacinnabar	HgS
Hg	ⓘ Schuetteite	Hg₃²⁺(SO₄)O₂

Fossils

There are 902 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

902

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

99.6 Ma (Late/Upper Cretaceous)

Stratigraphic Units

Click here to view 31 stratigraphic units.

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Cibicides genus	Chromista : Foraminifera : Globothalamea : Rotaliida : Cibicididae : *Cibicides*	56 - 47.8 Ma Eocene
Dentalina genus	Chromista : Foraminifera : Lagenida : Nodosariidae : *Dentalina*	56 - 47.8 Ma Eocene
Orbitoides genus	Chromista : Foraminifera : Globothalamea : Rotaliida : Orbitoididae : *Orbitoides*	66 - 56 Ma Paleocene
Sigmoilina genus	Chromista : Foraminifera : Tubothalamea : Miliolida : Hauerinidae : *Sigmoilina*	56 - 47.8 Ma Eocene
Cunnolites genus	Animalia : Cnidaria : Anthozoa : Scleractinia : Cunnolitidae : *Cunnolites*	47.8 - 41.3 Ma Eocene
Serpula genus	Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : *Serpula*	66 - 56 Ma Paleocene
Dentalium genus	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : *Dentalium*	66 - 56 Ma Paleocene
Discohelix genus	Animalia : Mollusca : Gastropoda : Discohelicidae : *Discohelix*	66 - 56 Ma Paleocene
Ampullina genus	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : *Ampullina*	72.1 - 56 Ma Phanerozoic
Anchura genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : *Anchura*	66 - 56 Ma Paleocene
Cypraea genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cypraeidae : *Cypraea*	56 - 47.8 Ma Eocene
Euspirocrommium genus	Animalia : Mollusca : Gastropoda : Naticidae : *Euspirocrommium*	59.2 - 56 Ma Paleocene
Ficopsis genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Ficidae : *Ficopsis*	66 - 56 Ma Paleocene
Galeodea genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cassidae : *Galeodea*	66 - 56 Ma Paleocene
Gyrodes genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : *Gyrodes*	72.1 - 66 Ma Late/Upper Cretaceous
Natica genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : *Natica*	66 - 56 Ma Paleocene
Perissitys genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Turbinellidae : *Perissitys*	70.6 - 66 Ma Late/Upper Cretaceous
Perissolax genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Ficidae : *Perissolax*	66 - 56 Ma Paleocene
Pugnellus genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : *Pugnellus*	72.1 - 66 Ma Late/Upper Cretaceous
Spiroglyphus genus	Animalia : Annelida : Polychaeta : *Spiroglyphus*	47.8 - 41.3 Ma Eocene
Turritella genus	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	66 - 56 Ma Paleocene
Agasoma genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Agasoma*	28.4 - 23.03 Ma Cenozoic
Ancilla genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Ancillariidae : *Ancilla*	28.4 - 23.03 Ma Cenozoic
Bela genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Mangeliidae : *Bela*	66 - 56 Ma Paleocene
Bruclarkia genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Bruclarkia*	28.1 - 23.03 Ma Cenozoic
Rostellaria (Fusus) subgenus	Animalia : Mollusca : Gastropoda : Strombidae : Tibia : *Rostellaria (Fusus)*	66 - 56 Ma Paleocene
Molopophorus genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Nassariidae : *Molopophorus*	28.4 - 23.03 Ma Cenozoic
Neptunea genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Neptunea*	66 - 56 Ma Paleocene
Priscofusus genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : *Priscofusus*	59.2 - 23.03 Ma Cenozoic
Siphonalia genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Siphonalia*	66 - 56 Ma Paleocene
Surculites genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : *Surculites*	66 - 56 Ma Paleocene
Turricula genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : *Turricula*	66 - 56 Ma Paleocene
Turris genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : *Turris*	66 - 56 Ma Paleocene
Megistostoma genus	Animalia : Mollusca : Gastropoda : Cephalaspidea : Philinidae : *Megistostoma*	66 - 56 Ma Paleocene
Architectonica genus	Animalia : Mollusca : Gastropoda : Architectonicidae : *Architectonica*	56 - 47.8 Ma Eocene
Aturia genus	Animalia : Mollusca : Cephalopoda : Nautilida : Aturiidae : *Aturia*	28.1 - 23.03 Ma Cenozoic
Phylloceras genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Phylloceratidae : *Phylloceras*	72.1 - 66 Ma Late/Upper Cretaceous
Baculites genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : *Baculites*	72.1 - 66 Ma Late/Upper Cretaceous
Gaudryceras genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : *Gaudryceras*	72.1 - 66 Ma Late/Upper Cretaceous
Pachydiscus genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Pachydiscidae : *Pachydiscus*	72.1 - 66 Ma Late/Upper Cretaceous
Acila genus	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : *Acila*	66 - 56 Ma Paleocene
Saccella genus	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : *Saccella*	59.2 - 56 Ma Paleocene
Solemya genus	Animalia : Mollusca : Bivalvia : Solemyida : Solemyidae : *Solemya*	56 - 47.8 Ma Eocene
Arca genus	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : *Arca*	56 - 47.8 Ma Eocene
Cucullaea genus	Animalia : Mollusca : Bivalvia : Arcida : Cucullaeidae : *Cucullaea*	59.2 - 47.8 Ma Paleogene
Glycymeris genus	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : *Glycymeris*	59.2 - 56 Ma Paleocene
Parallelodon genus	Animalia : Mollusca : Bivalvia : Arcida : Parallelodontidae : *Parallelodon*	72.1 - 66 Ma Late/Upper Cretaceous
Brachidontes genus	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : *Brachidontes*	59.2 - 47.8 Ma Paleogene
Mytilus genus	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : *Mytilus*	66 - 56 Ma Paleocene
Ostrea genus	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : *Ostraea*	66 - 47.8 Ma Paleogene
Pecten genus	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Pecten*	66 - 56 Ma Paleocene
Pteria genus	Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : *Pteria*	56 - 47.8 Ma Eocene
Cardium genus	Animalia : Mollusca : Bivalvia : *Cardium*	66 - 56 Ma Paleocene
Claibornites (Codalucina) subgenus	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Claibornites : *Claibornites (Codalucina)*	56 - 47.8 Ma Eocene
Coralliophaga genus	Animalia : Mollusca : Bivalvia : Venerida : Trapezidae : *Coralliophaga*	56 - 47.8 Ma Eocene
Crassatella genus	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : *Crassatella*	66 - 47.8 Ma Paleogene
Cymbophora genus	Animalia : Mollusca : Bivalvia : Venerida : Mactridae : *Cymbophora*	72.1 - 66 Ma Late/Upper Cretaceous
Dosinia genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Dosinia*	28.4 - 23.03 Ma Cenozoic
Gari (Gobraeus) subgenus	Animalia : Mollusca : Bivalvia : Cardiida : Psammobiidae : Gari : *Gari (Gobraeus)*	56 - 47.8 Ma Eocene
Meretrix genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Meretrix*	66 - 56 Ma Paleocene
Paphia genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Paphia*	66 - 56 Ma Paleocene
Pharella genus	Animalia : Mollusca : Bivalvia : Cardiida : *Pharella*	72.1 - 66 Ma Late/Upper Cretaceous
Pitar genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Pitar*	59.2 - 47.8 Ma Paleogene
Solen genus	Animalia : Mollusca : Bivalvia : Adapedonta : Solenidae : *Solen*	66 - 56 Ma Paleocene
Tapes genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Tapes*	66 - 56 Ma Paleocene
Tellina genus	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Tellina*	72.1 - 56 Ma Phanerozoic
Trigonocallista genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Trigonocallista*	72.1 - 66 Ma Late/Upper Cretaceous
Corbula genus	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : *Corbula*	66 - 56 Ma Paleocene
Jouannetia genus	Animalia : Mollusca : Bivalvia : Myida : Pholadidae : *Jouannetia*	56 - 47.8 Ma Eocene
Teredo genus	Animalia : Mollusca : Bivalvia : Myida : Teredinidae : *Teredo*	66 - 47.8 Ma Paleogene
Cuspidaria genus	Animalia : Mollusca : Bivalvia : Cuspidariidae : *Cuspidaria*	66 - 56 Ma Paleocene
Thracia genus	Animalia : Mollusca : Bivalvia : Thraciidae : *Thracia*	66 - 56 Ma Paleocene
Terebratula genus	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Terebratulidae : *Terebratula*	66 - 56 Ma Paleocene
Cidaris genus	Animalia : Echinodermata : Echinoidea : Cidaroida : Cidaridae : *Cidaris*	66 - 56 Ma Paleocene
Osteichthyes unranked clade	Animalia : Chordata : Osteichthyes	66 - 56 Ma Paleocene
Anniella genus	Animalia : Chordata : Reptilia : Squamata : Anniellidae : *Anniella*	13.6 - 10.3 Ma Miocene
Scapanus genus	Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : *Scapanus*	4.9 - 1.8 Ma Cenozoic
Machairodus genus	Animalia : Chordata : Mammalia : Carnivora : Felidae : *Machairodus*	10.3 - 4.9 Ma Neogene
Canidae family	Animalia : Chordata : Mammalia : Carnivora : Canidae	10.3 - 4.9 Ma Neogene
Borophagus genus	Animalia : Chordata : Mammalia : Carnivora : Canidae : *Borophagus*	10.3 - 4.9 Ma Neogene
Procyonidae family	Animalia : Chordata : Mammalia : Carnivora : Procyonidae	13.6 - 10.3 Ma Miocene
Indarctos genus	Animalia : Chordata : Mammalia : Carnivora : Ursidae : *Indarctos*	10.3 - 4.9 Ma Neogene
Rodentia order	Animalia : Chordata : Mammalia : Rodentia	0.126 - 0.0117 Ma Pleistocene
Protospermophilus genus	Animalia : Chordata : Mammalia : Rodentia : Sciuridae : *Protospermophilus*	13.6 - 10.3 Ma Miocene
Spermophilus genus	Animalia : Chordata : Mammalia : Rodentia : Sciuridae : *Spermophilus*	13.6 - 10.3 Ma Miocene
Dipoides genus	Animalia : Chordata : Mammalia : Rodentia : Castoridae : *Dipoides*	10.3 - 4.9 Ma Neogene
Peromyscus genus	Animalia : Chordata : Mammalia : Rodentia : Cricetidae : *Peromyscus*	10.3 - 4.9 Ma Neogene
Leporidae family	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae	23.03 - 0.0117 Ma Cenozoic
Merycoidodontidae family	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae	23.03 - 5.333 Ma Miocene
Camelidae family	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae	23.03 - 4.9 Ma Neogene
Aepycamelus genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Aepycamelus*	13.6 - 10.3 Ma Miocene
Camelops genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Camelops*	0.126 - 0.0117 Ma Pleistocene
Hemiauchenia genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Hemiauchenia*	0.126 - 0.0117 Ma Pleistocene
Odocoileus genus	Animalia : Chordata : Mammalia : Artiodactyla : Cervidae : *Odocoileus*	0.126 - 0.0117 Ma Pleistocene
Antilocapridae family	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae	10.3 - 4.9 Ma Neogene
Antilocapra genus	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : *Antilocapra*	0.126 - 0.0117 Ma Pleistocene
Capromeryx genus	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : *Capromeryx*	13.6 - 10.3 Ma Miocene
Sphenophalos genus	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : *Sphenophalos*	10.3 - 4.9 Ma Neogene
Bison genus	Animalia : Chordata : Mammalia : Artiodactyla : Bovidae : *Bison*	0.126 - 0.0117 Ma Pleistocene
Odontoceti suborder	Animalia : Chordata : Mammalia : Cetacea : Odontoceti	13.6 - 10.3 Ma Miocene
Equidae family	Animalia : Chordata : Mammalia : Perissodactyla : Equidae	23.03 - 5.333 Ma Miocene
Dinohippus genus	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Dinohippus*	23.03 - 4.9 Ma Neogene
Hippotherium genus	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Hippotherium*	23.03 - 5.333 Ma Miocene
Teleoceras genus	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : *Teleoceras*	23.03 - 4.9 Ma Neogene
Proboscidea order	Animalia : Chordata : Mammalia : Proboscidea	23.03 - 5.333 Ma Miocene
Gomphotheriidae family	Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae	23.03 - 5.333 Ma Miocene
Megalonychidae family	Animalia : Chordata : Mammalia : Pilosa : Megalonychidae	10.3 - 4.9 Ma Neogene
Megalonyx genus	Animalia : Chordata : Mammalia : Pilosa : Megalonychidae : *Megalonyx*	10.3 - 0.0117 Ma Cenozoic
Aelurodon taxoides species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Aelurodon : *Aelurodon taxoides*	13.6 - 10.3 Ma Miocene
Alilepus hibbardi species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Alilepus : *Alilepus hibbardi*	13.6 - 10.3 Ma Miocene
Barbourofelis loveorum species	Animalia : Chordata : Mammalia : Carnivora : Barbourofelidae : Barbourofelis : *Barbourofelis loveorum*	13.6 - 10.3 Ma Miocene
Hoplictis grangerensis species	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Hoplictis : *Hoplictis grangerensis*	13.6 - 10.3 Ma Miocene
Borophagus diversidens species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophagus : *Borophagus diversidens*	4.9 - 1.8 Ma Cenozoic
Borophagus littoralis species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophagus : *Borophagus littoralis*	13.6 - 10.3 Ma Miocene
Eucyon davisi species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Eucyon : *Eucyon davisi*	10.3 - 4.9 Ma Neogene
Epicyon haydeni species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Epicyon : *Epicyon haydeni*	13.6 - 10.3 Ma Miocene
Epicyon saevus species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Epicyon : *Epicyon saevus*	13.6 - 10.3 Ma Miocene
Leptocyon vafer species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Leptocyon : *Leptocyon vafer*	13.6 - 10.3 Ma Miocene
Capromeryx minor species	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Capromeryx : *Capromeryx minor*	0.126 - 0.0117 Ma Pleistocene
Cernictis hesperus species	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Cernictis : *Cernictis hesperus*	10.3 - 4.9 Ma Neogene
Mammuthus columbi species	Animalia : Chordata : Mammalia : Proboscidea : Elephantidae : Mammuthus : *Mammuthus columbi*	0.126 - 0.0117 Ma Pleistocene
Neohipparion eurystyle species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Neohipparion : *Neohipparion eurystyle*	10.3 - 4.9 Ma Neogene
Equus pacificus species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus : *Equus pacificus*	0.126 - 0.0117 Ma Pleistocene
Hipparion forcei species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hipparion : *Hipparion forcei*	13.6 - 10.3 Ma Miocene
Neohipparion trampasense species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Neohipparion : *Neohipparion trampasense*	23.03 - 5.333 Ma Miocene
Pliohippus spectans species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pliohippus : *Pliohippus spectans*	10.3 - 4.9 Ma Neogene
Hypolagus edensis species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus : *Hypolagus edensis*	10.3 - 4.9 Ma Neogene
Hypolagus tedfordi species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus : *Hypolagus tedfordi*	10.3 - 4.9 Ma Neogene
Leptarctus wortmani species	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Leptarctus : *Leptarctus wortmani*	13.6 - 10.3 Ma Miocene
Gomphotherium obscurum species	Animalia : Chordata : Mammalia : Proboscidea : Mammutidae : Mammut : *Gomphotherium obscurum*	23.03 - 5.333 Ma Miocene
Ustatochoerus major species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : *Ustatochoerus major*	13.6 - 10.3 Ma Miocene
Ustatochoerus medius novomexicanus subspecies	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : *Ustatochoerus medius novomexicanus*	13.6 - 10.3 Ma Miocene
Enhydra lutris species	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Enhydra : *Enhydra lutris*	0.3 - 0.012 Ma Pleistocene
Hipparion tehonense species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hipparion : *Hipparion tehonense*	23.03 - 5.333 Ma Miocene
Ogmodontomys sawrockensis species	Animalia : Chordata : Mammalia : Rodentia : Muridae : Ogmodontomys : *Ogmodontomys sawrockensis*	4.9 - 1.8 Ma Cenozoic
Yumaceras ruminalis species	Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : Yumaceras : *Yumaceras ruminalis*	23.03 - 5.333 Ma Miocene
Plesiogulo lindsayi species	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Plesiogulo : *Plesiogulo lindsayi*	10.3 - 4.9 Ma Neogene
Pliauchenia magnifontis species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Pliauchenia : *Pliauchenia magnifontis*	13.6 - 10.3 Ma Miocene
Dinohippus leardi species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Dinohippus : *Dinohippus leardi*	13.6 - 10.3 Ma Miocene
Pliotomodon primitivus species	Animalia : Chordata : Mammalia : Rodentia : Muridae : Pliotomodon : *Pliotomodon primitivus*	10.3 - 4.9 Ma Neogene
Procamelus grandis species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Procamelus : *Procamelus grandis*	13.6 - 10.3 Ma Miocene
Nimravides thinobates species	Animalia : Chordata : Mammalia : Carnivora : Felidae : Nimravides : *Nimravides thinobates*	13.6 - 10.3 Ma Miocene
Repomys maxumi species	Animalia : Chordata : Mammalia : Rodentia : Muridae : Repomys : *Repomys maxumi*	4.9 - 1.8 Ma Cenozoic
Prodipoides lecontei species	Animalia : Chordata : Mammalia : Rodentia : Castoridae : Prodipoides : *Prodipoides lecontei*	23.03 - 5.333 Ma Miocene
Phacoides genus	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Phacoides*	66 - 56 Ma Paleocene
Mesophyllum genus	Plantae : Rhodophyta : Florideophyceae : Corallinales : Hapalidiaceae : *Mesophyllum*	55.8 - 48.6 Ma Eocene
Plantae kingdom	Plantae	66 - 56 Ma Paleocene
Lithothamnion genus	Plantae : Rhodophyta : Florideophyceae : Corallinales : Hapalidiaceae : *Lithothamnion*	55.8 - 48.6 Ma Eocene
Acteon genus	Animalia : Mollusca : Gastropoda : Cephalaspidea : Acteonidae : *Acteon*	56 - 47.8 Ma Eocene
Amauropsis martinezensis species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Amauropsis : *Amauropsis martinezensis*	66 - 56 Ma Paleocene
Flabellum cuneiforme species	Animalia : Cnidaria : Anthozoa : Scleractinia : Flabellidae : Flabellum : *Flabellum cuneiforme*	66 - 56 Ma Paleocene
Glycimeris genus	Animalia : Mollusca : Bivalvia : Hiatellida : Hiatellidae : *Glycimeris*	66 - 56 Ma Paleocene
Gyrodes (Sohlella) expansus species	Animalia : Mollusca : Gastropoda : Naticidae : Gyrodes : *Gyrodes (Sohlella) expansus*	72.1 - 66 Ma Late/Upper Cretaceous
Neverita globosa species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Neverita : *Neverita globosa*	56 - 47.8 Ma Eocene
Polinices (Euspira) nuciformis species	Animalia : Mollusca : Gastropoda : Naticidae : Euspira : *Polinices (Euspira) nuciformis*	56 - 47.8 Ma Eocene
Mustelinae subfamily	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Mustelinae	13.6 - 10.3 Ma Miocene
Equinae subfamily	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equinae	23.03 - 5.333 Ma Miocene
Hipparionini tribe	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hipparionini	23.03 - 4.9 Ma Neogene
Equini tribe	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equini	23.03 - 5.333 Ma Miocene
Trochocyathus stantoni species	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : *Trochocyathus stantoni*	47.8 - 38 Ma Eocene
Terebratulina tejonensis species	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cancellothyrididae : Terebratulina : *Terebratulina tejonensis*	66 - 56 Ma Paleocene
Stepsidura genus	*Stepsidura*	66 - 56 Ma Paleocene
Pitaria genus	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : *Pitaria*	56 - 47.8 Ma Eocene
Nucula gabbiana species	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Nucula : *Nucula gabbiana*	56 - 47.8 Ma Eocene
Nuculana (Saccella) gabbii species	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Saccella : *Nuculana (Saccella) gabbii*	66 - 38 Ma Paleogene
Yoldia mortuasusensis species	Animalia : Mollusca : Bivalvia : Nuculanida : Yoldiidae : Yoldia : *Yoldia mortuasusensis*	56 - 47.8 Ma Eocene
Glycymeris major species	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Glycymeris : *Glycymeris major*	56 - 47.8 Ma Eocene
Modiolus ornatus species	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus : *Modiolus ornatus*	66 - 47.8 Ma Paleogene
Periploma stewartvillensis species	Animalia : Mollusca : Bivalvia : Periplomatidae : Periploma : *Periploma stewartvillensis*	56 - 47.8 Ma Eocene
Lyonsia venturaensis species	Animalia : Mollusca : Bivalvia : Lyonsiidae : Lyonsia : *Lyonsia venturaensis*	56 - 47.8 Ma Eocene
Crassatella meganosensis species	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Crassatella : *Crassatella meganosensis*	56 - 47.8 Ma Eocene
Venericardia hornii species	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia hornii*	56 - 47.8 Ma Eocene
Miltha (Miltha) meganosensis species	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Miltha : *Miltha (Miltha) meganosensis*	56 - 47.8 Ma Eocene
Diplodonta (Diplodonta) cretacea species	Animalia : Mollusca : Bivalvia : Veneroidei : Ungulinidae : Diplodonta : *Diplodonta (Diplodonta) cretacea*	56 - 47.8 Ma Eocene
Acanthocardia (Schedocardia) brewerii hartleyensis subspecies	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Acanthocardia : *Acanthocardia (Schedocardia) brewerii hartleyensis*	56 - 47.8 Ma Eocene
Dosiniopsis stewartvillensis species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Dosiniopsis : *Dosiniopsis stewartvillensis*	56 - 47.8 Ma Eocene
Pitaria conradi species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Meretrix : *Pitaria conradi*	56 - 47.8 Ma Eocene
Pitaria palmeri species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Meretrix : *Pitaria palmeri*	56 - 47.8 Ma Eocene
Macrocallista meganosensis species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Macrocallista : *Macrocallista meganosensis*	56 - 47.8 Ma Eocene
Tivela kelloggensis species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Tivela : *Tivela kelloggensis*	56 - 47.8 Ma Eocene
Tellina (Angulus) joaquinensis species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Angulus : *Tellina (Angulus) joaquinensis*	56 - 47.8 Ma Eocene
Tellina (Angulus) longa species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Angulus : *Tellina (Angulus) longa*	56 - 47.8 Ma Eocene
Corbula diaboli species	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : Corbula : *Corbula diaboli*	56 - 47.8 Ma Eocene
Corbula dilatata species	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : Corbula : *Corbula dilatata*	56 - 47.8 Ma Eocene
Martesia meganosensis species	Animalia : Mollusca : Bivalvia : Myida : Pholadidae : Martesia : *Martesia meganosensis*	56 - 47.8 Ma Eocene
Solen (Eosolen) stantoni species	Animalia : Mollusca : Bivalvia : Solenida : Solenidae : Eosolen : *Solen (Eosolen) stantoni*	66 - 47.8 Ma Paleogene
Solena (Plectosolen) parallelus species	Animalia : Mollusca : Bivalvia : Solenida : Solenidae : Solena : *Solena (Plectosolen) parallelus*	66 - 47.8 Ma Paleogene
Pseudocardium meganosensis species	Animalia : Mollusca : Bivalvia : Veneroidei : Mactridae : Spisula : *Pseudocardium meganosensis*	56 - 47.8 Ma Eocene
Mactromeris tejonensis species	Animalia : Mollusca : Bivalvia : Veneroidei : Mactridae : Mactromeris : *Mactromeris tejonensis*	56 - 47.8 Ma Eocene
Sphenia meganosensis species	Animalia : Mollusca : Bivalvia : Myida : Myidae : Sphenia : *Sphenia meganosensis*	56 - 47.8 Ma Eocene
Bacillariophyceae class	Chromista : Ochrophyta : Bacillariophyceae	48.6 - 37.2 Ma Eocene
Desmostylus hesperus species	Animalia : Chordata : Mammalia : Desmostylidae : Desmostylus : *Desmostylus hesperus*	15.97 - 11.608 Ma Miocene
Modiolus genus	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : *Modiolus*	66 - 56 Ma Paleocene
Portlandia arctica species	Animalia : Mollusca : Bivalvia : Nuculanida : Sareptidae : Portlandia : *Portlandia arctica*	66 - 56 Ma Paleocene
Solena (Plectosolen) conradi species	Animalia : Mollusca : Bivalvia : Solenida : Solenidae : Solena : *Solena (Plectosolen) conradi*	28.1 - 23.03 Ma Cenozoic
Venericor planicosta species	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericor planicosta*	66 - 38 Ma Paleogene
Glans (Centrocardita) veneriformis species	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Glans : *Glans (Centrocardita) veneriformis*	66 - 56 Ma Paleocene
Striostrea bourgeoisii species	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Striostrea : *Striostrea bourgeoisii*	33.9 - 28.1 Ma Oligocene
Tayassuinae subfamily	Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Tayassuinae	23.03 - 5.333 Ma Miocene
Mesalia clarki species	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Turritellidae : Mesalia : *Mesalia clarki*	61.6 - 59.2 Ma Paleocene
Tellina (Megangulus) kewi species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Tellina : *Tellina (Megangulus) kewi*	66 - 47.8 Ma Paleogene
Tellina remondii species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Tellina : *Tellina remondii*	66 - 38 Ma Paleogene
Acila (Truncacila) muta species	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Acila : *Acila (Truncacila) muta*	28.1 - 23.03 Ma Cenozoic
Crenomytilus mathewsoni species	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus : *Crenomytilus mathewsoni*	28.4 - 23.03 Ma Cenozoic
Amiantis mathewsoni species	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Amiantis : *Amiantis mathewsoni*	28.4 - 23.03 Ma Cenozoic
Dosinia (Dosinia) whitneyi species	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Dosinia : *Dosinia (Dosinia) whitneyi*	28.4 - 23.03 Ma Cenozoic
Gibbolucina (Eomiltha) gyrata species	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Gibbolucina : *Gibbolucina (Eomiltha) gyrata*	56 - 47.8 Ma Eocene
Pseudoglandulina genus	Foraminifera : *Pseudoglandulina*	56 - 47.8 Ma Eocene
Saccella packardi species	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Saccella : *Saccella packardi*	66 - 56 Ma Paleocene
Ficopsis meganosensis species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Ficidae : Ficopsis : *Ficopsis meganosensis*	56 - 47.8 Ma Eocene
Globigerina bulloides species	Chromista : Foraminifera : Globothalamea : Rotaliida : Globigerinidae : Globigerina : *Globigerina bulloides*	56 - 47.8 Ma Eocene
Tanea lineata species	Animalia : Mollusca : Gastropoda : Naticidae : Tanea : *Tanea lineata*	66 - 56 Ma Paleocene
Trochocyathus imperialis species	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : *Trochocyathus imperialis*	56 - 38 Ma Eocene
Stephanophyllia californica species	Animalia : Cnidaria : Anthozoa : Scleractinia : Micrabaciidae : Stephanophyllia : *Stephanophyllia californica*	41.3 - 38 Ma Eocene
Eutrephoceras stephensoni species	Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : Eutrephoceras : *Eutrephoceras stephensoni*	61.6 - 56 Ma Paleocene
Hercoglossa merriami species	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Hercoglossa : *Hercoglossa merriami*	61.6 - 59.2 Ma Paleocene
Lytoceras (Tetragonites) epigonum species	Animalia : Mollusca : Cephalopoda : Ammonitida : Tetragonitidae : Tetragonites : *Lytoceras (Tetragonites) epigonum*	72.1 - 66 Ma Late/Upper Cretaceous
Palaeopsammia zitteli species	Animalia : Cnidaria : Anthozoa : Scleractinia : Guyniidae : Palaeopsammia : *Palaeopsammia zitteli*	66 - 56 Ma Paleocene
Meekia (Meekia) sella species	Animalia : Mollusca : Bivalvia : Cardiida : Tancrediidae : Meekia : *Meekia (Meekia) sella*	72.1 - 66 Ma Late/Upper Cretaceous
Biplica obliqua species	Animalia : Mollusca : Gastropoda : Architectibranchia : Ringiculidae : Biplica : *Biplica obliqua*	72.1 - 66 Ma Late/Upper Cretaceous
Flabellum californicum species	Animalia : Cnidaria : Anthozoa : Scleractinia : Flabellidae : Flabellum : *Flabellum californicum*	47.8 - 38 Ma Eocene
Baculites occidentalis species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : *Baculites occidentalis*	72.1 - 66 Ma Late/Upper Cretaceous
Robulus genus	Chromista : Foraminifera : Lagenida : Vaginulinidae : *Robulus*	56 - 47.8 Ma Eocene
Platytrochus diabloensis species	Animalia : Cnidaria : Anthozoa : Scleractinia : Turbinoliidae : Platytrochus : *Platytrochus diabloensis*	47.8 - 41.3 Ma Eocene
Acesta (Acesta) multiradiata species	Animalia : Mollusca : Bivalvia : Pectinida : Limidae : Acesta : *Acesta (Acesta) multiradiata*	66 - 56 Ma Paleocene
Nemocardium (Nemocardium) linteum species	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Nemocardium : *Nemocardium (Nemocardium) linteum*	66 - 47.8 Ma Paleogene
Solena (Eosolen) subverticala species	Animalia : Mollusca : Bivalvia : Solenida : Solenidae : Eosolen : *Solena (Eosolen) subverticala*	56 - 47.8 Ma Eocene
Gari (Gobraeus) hornii species	Animalia : Mollusca : Bivalvia : Cardiida : Psammobiidae : Gari : *Gari (Gobraeus) hornii*	66 - 56 Ma Paleocene
Dendrophyllia californiana species	Animalia : Cnidaria : Anthozoa : Scleractinia : Dendrophylliidae : Dendrophyllia : *Dendrophyllia californiana*	28.4 - 23.03 Ma Cenozoic
Turbinolia pusillanima species	Animalia : Cnidaria : Anthozoa : Scleractinia : Turbinoliidae : Turbinolia : *Turbinolia pusillanima*	41.3 - 38 Ma Eocene
Thamnasteria sinuata species	Animalia : Cnidaria : Anthozoa : Scleractinia : Thamnasteriidae : Thamnasteria : *Thamnasteria sinuata*	41.3 - 38 Ma Eocene
Trochocyathus pergranulatus species	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : *Trochocyathus pergranulatus*	86.3 - 72.1 Ma Late/Upper Cretaceous
Siderastrea clarki species	Animalia : Cnidaria : Anthozoa : Scleractinia : Siderastreidae : Siderastrea : *Siderastrea clarki*	28.4 - 23.03 Ma Cenozoic
Balanophyllia variabilis species	Animalia : Cnidaria : Anthozoa : Scleractinia : Dendrophylliidae : Balanophyllia : *Balanophyllia variabilis*	41.3 - 38 Ma Eocene
Callianassa incerta species	Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : Callianassa : *Callianassa incerta*	56 - 33.9 Ma Paleogene
Callianassa stimpsoni species	Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : Callianassa : *Callianassa stimpsoni*	56 - 33.9 Ma Paleogene
Cancer gabbi species	Animalia : Arthropoda : Malacostraca : Decapoda : Cancridae : Cancer : *Cancer gabbi*	56 - 33.9 Ma Paleogene
Orbitoplax weaveri species	Animalia : Arthropoda : Malacostraca : Decapoda : Grapsidae : Orbitoplax : *Orbitoplax weaveri*	56 - 33.9 Ma Paleogene
Mesophyllum obsitum species	Plantae : Rhodophyta : Florideophyceae : Corallinales : Hapalidiaceae : Mesophyllum : *Mesophyllum obsitum*	55.8 - 48.6 Ma Eocene
Exocoetidae family	Animalia : Chordata : Actinopteri : Beloniformes : Exocoetidae	37.2 - 33.9 Ma Paleogene
Atorcula canalifera species	Animalia : Mollusca : Gastropoda : Protorculidae : Atorcula : *Atorcula canalifera*	66 - 56 Ma Paleocene
Archaeolithothamnion genus	Plantae : Rhodophyta : Rhodophyceae : Corallinales : Sporolithaceae : *Archaeolithothamnion*	55.8 - 48.6 Ma Eocene
Eucalycoceras diabloense species	Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Eucalycoceras : *Eucalycoceras diabloense*	99.6 - 93.5 Ma Late/Upper Cretaceous
Mesophyllum fructiferum species	Plantae : Rhodophyta : Florideophyceae : Corallinales : Hapalidiaceae : Mesophyllum : *Mesophyllum fructiferum*	55.8 - 48.6 Ma Eocene
Aturoidea mathewsonii species	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Aturoidea : *Aturoidea mathewsonii*	61.6 - 56 Ma Paleocene
Aturia dickersoni species	Animalia : Mollusca : Cephalopoda : Nautilida : Aturiidae : Aturia : *Aturia dickersoni*	61.6 - 41.3 Ma Paleogene
Mytilus quadratus species	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus : *Mytilus quadratus*	72.1 - 66 Ma Late/Upper Cretaceous
Miotomodon mayi species	Animalia : Chordata : Mammalia : Rodentia : Muridae : Miotomodon : *Miotomodon mayi*	10.3 - 4.9 Ma Neogene
Woodburnehyus grenaderae species	Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Woodburnehyus : *Woodburnehyus grenaderae*	13.6 - 10.3 Ma Miocene
Acesta (Plicacesta) haseltinei species	Animalia : Mollusca : Bivalvia : Pectinida : Limidae : Plicacesta : *Acesta (Plicacesta) haseltinei*	66 - 56 Ma Paleocene
Limea (Isolimea) claytonensis species	Animalia : Mollusca : Bivalvia : Pectinida : Limidae : Limea : *Limea (Isolimea) claytonensis*	66 - 56 Ma Paleocene
Rimella canalifera species	Animalia : Mollusca : Gastropoda : Strombidae : Rimella : *Rimella canalifera*	66 - 56 Ma Paleocene
Calva peninsularis species	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Calva : *Calva peninsularis*	72.1 - 66 Ma Late/Upper Cretaceous
Spiroplectammina eocenica species	Foraminifera : Spiroplectamminidae : Spiroplectammina : *Spiroplectammina eocenica*	56 - 47.8 Ma Eocene
Scaphander costatus species	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Scaphander : *Scaphander costatus*	66 - 47.8 Ma Paleogene
Haminea postangulata species	Animalia : Mollusca : Gastropoda : Cephalaspidea : Haminoeidae : Haminoea : *Haminea postangulata*	56 - 47.8 Ma Eocene
Gemmula diabloensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Gemmula : *Gemmula diabloensis*	56 - 47.8 Ma Eocene
Gemmula wattsi species	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Gemmula : *Gemmula wattsi*	56 - 47.8 Ma Eocene
Drillia hartleyensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Drilliidae : Drillia : *Drillia hartleyensis*	56 - 47.8 Ma Eocene
Turricula cooperi species	Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : Turricula : *Turricula cooperi*	56 - 47.8 Ma Eocene
Siphonalia sutterensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Siphonalia : *Siphonalia sutterensis*	56 - 47.8 Ma Eocene
Admete (Bonellitia) stantoni species	Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Bonellitia : *Admete (Bonellitia) stantoni*	56 - 47.8 Ma Eocene
Oliva meganosensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Olividae : Oliva : *Oliva meganosensis*	56 - 47.8 Ma Eocene
Fusinus meganosensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Fusinus : *Fusinus meganosensis*	56 - 47.8 Ma Eocene
Bulbifusus californicus species	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Mazzalina : *Bulbifusus californicus*	56 - 47.8 Ma Eocene
Galeodea sutterensis species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cassidae : Galeodea : *Galeodea sutterensis*	56 - 47.8 Ma Eocene
Chrysodomus martini species	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Chrysodomus : *Chrysodomus martini*	56 - 47.8 Ma Eocene
Parvisipho meganosensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Parvisipho : *Parvisipho meganosensis*	56 - 47.8 Ma Eocene
Pseudoliva dilleri species	Animalia : Mollusca : Gastropoda : Neogastropoda : Pseudolividae : Pseudoliva : *Pseudoliva dilleri*	56 - 47.8 Ma Eocene
Strepsidura diabloensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Pseudolividae : Strepsidura : *Strepsidura diabloensis*	56 - 47.8 Ma Eocene
Brachysphingus mammilatus species	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Brachysphingus : *Brachysphingus mammilatus*	56 - 47.8 Ma Eocene
Molopophorus californicus species	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Molopophorus : *Molopophorus californicus*	56 - 47.8 Ma Eocene
Odostomia diaboli species	Animalia : Mollusca : Gastropoda : Pyramidellidae : Odostomia : *Odostomia diaboli*	56 - 47.8 Ma Eocene
Turbonilla marshensis species	Animalia : Mollusca : Gastropoda : Pyramidellidae : Turbonilla : *Turbonilla marshensis*	56 - 47.8 Ma Eocene
Turritella merriami species	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella merriami*	56 - 38 Ma Eocene
Turritella meganosensis species	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella meganosensis*	56 - 47.8 Ma Eocene
Calyptraea (Galerus) calabasasensis species	Animalia : Mollusca : Gastropoda : Calyptraeidae : Calyptraea : *Calyptraea (Galerus) calabasasensis*	56 - 47.8 Ma Eocene
Polinices (Euspira) gesteri species	Animalia : Mollusca : Gastropoda : Naticidae : Euspira : *Polinices (Euspira) gesteri*	56 - 47.8 Ma Eocene
Polinices (Euspira) hornii species	Animalia : Mollusca : Gastropoda : Naticidae : Euspira : *Polinices (Euspira) hornii*	66 - 47.8 Ma Paleogene
Solariella hartleyensis species	Animalia : Mollusca : Gastropoda : Trochida : Solariellidae : Solariella : *Solariella hartleyensis*	56 - 47.8 Ma Eocene
Dentalium cooperi species	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : Dentalium : *Dentalium cooperi*	66 - 47.8 Ma Paleogene
Dentalium stramineum species	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : Dentalium : *Dentalium stramineum*	59.2 - 47.8 Ma Paleogene
Schizaster diabloensis species	Animalia : Echinodermata : Echinoidea : Spatangoida : Schizasteridae : Schizaster : *Schizaster diabloensis*	56 - 38 Ma Eocene
Robulus inornatus species	Foraminifera : Nodosariidae : Robulus : *Robulus inornatus*	56 - 47.8 Ma Eocene
Lenticulina convergens species	Foraminifera : Nodosariidae : Lenticulina : *Lenticulina convergens*	56 - 47.8 Ma Eocene
Dentalina consobrina species	Foraminifera : Nodosariidae : Dentalina : *Dentalina consobrina*	56 - 47.8 Ma Eocene
Lagena isabella species	Foraminifera : Nodosariidae : Lagena : *Lagena isabella*	56 - 47.8 Ma Eocene
Globorotalia crassata species	Foraminifera : Globorotaliidae : Globorotalia : *Globorotalia crassata*	56 - 47.8 Ma Eocene
Brachysphingus sinuatus species	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Brachysphingus : *Brachysphingus sinuatus*	66 - 56 Ma Paleocene
Leda milleri species	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Nuculana : *Leda milleri*	66 - 56 Ma Paleocene
Pinna barrowsi species	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : Pinna : *Pinna barrowsi*	66 - 56 Ma Paleocene
Ostraea weaveri species	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : *Ostraea weaveri*	66 - 56 Ma Paleocene
Modiolus bakeri species	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus : *Modiolus bakeri*	66 - 56 Ma Paleocene
Cuspidaria hannibali species	Animalia : Mollusca : Bivalvia : Cuspidariidae : Cuspidaria : *Cuspidaria hannibali*	66 - 47.8 Ma Paleogene
Crassatellites studleyi species	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Crassatella : *Crassatellites studleyi*	61.6 - 59.2 Ma Paleocene
Crassatellites stewartvillensis species	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Crassatella : *Crassatellites stewartvillensis*	66 - 56 Ma Paleocene
Crassatellites claytonensis species	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Crassatella : *Crassatellites claytonensis*	66 - 56 Ma Paleocene
Meretrix stantoni species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Meretrix : *Meretrix stantoni*	66 - 56 Ma Paleocene
Meretrix dalli species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Meretrix : *Meretrix dalli*	66 - 56 Ma Paleocene
Macrocallista packi species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Macrocallista : *Macrocallista packi*	66 - 56 Ma Paleocene
Paphia clarki species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Paphia : *Paphia clarki*	66 - 56 Ma Paleocene
Psammobia cylindrica species	Animalia : Mollusca : Bivalvia : Cardiida : Psammobiidae : Psammobia : *Psammobia cylindrica*	66 - 56 Ma Paleocene
Spisula weaveri species	Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Spisula : *Spisula weaveri*	66 - 56 Ma Paleocene
Fissurella behri species	Animalia : Mollusca : Gastropoda : Lepetellida : Fissurellidae : Fissurella : *Fissurella behri*	61.6 - 59.2 Ma Paleocene
Anchura englishi species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Anchura : *Anchura englishi*	61.6 - 59.2 Ma Paleocene
Anchura gabbi species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Anchura : *Anchura gabbi*	61.6 - 59.2 Ma Paleocene
Ovula martini species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Ovulidae : Ovula : *Ovula martini*	61.6 - 59.2 Ma Paleocene
Tritonium martinezensis species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Charoniidae : Charonia : *Tritonium martinezensis*	66 - 56 Ma Paleocene
Olivella claytonensis species	Animalia : Mollusca : Gastropoda : Neogastropoda : Olividae : Olivella : *Olivella claytonensis*	66 - 56 Ma Paleocene
Turris louderbacki species	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Turris : *Turris louderbacki*	61.6 - 59.2 Ma Paleocene
Surcula merriami species	Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : Turricula : *Surcula merriami*	66 - 56 Ma Paleocene
Surcula fairbanksi species	Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : Turricula : *Surcula fairbanksi*	61.6 - 59.2 Ma Paleocene
Surcula andersoni species	Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : Turricula : *Surcula andersoni*	61.6 - 59.2 Ma Paleocene
Legumen ooides species	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Legumen : *Legumen ooides*	72.1 - 66 Ma Late/Upper Cretaceous
Rana pliocenica species	Animalia : Chordata : Amphibia : Anura : Ranidae : Rana : *Rana pliocenica*	23.03 - 5.333 Ma Miocene
Spatangus pachecoensis species	Animalia : Echinodermata : Echinoidea : Spatangoida : Spatangidae : Spatangus : *Spatangus pachecoensis*	37.2 - 33.9 Ma Paleogene
Axinaea veatchii species	Animalia : Mollusca : Bivalvia : Adapedonta : Hiatellidae : Cyrtodaria : *Axinaea veatchii*	66 - 56 Ma Paleocene
Crassatellites grandis species	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Crassatella : *Crassatellites grandis*	66 - 56 Ma Paleocene
Cucullaea mathewsonii species	Animalia : Mollusca : Bivalvia : Arcida : Cucullaeidae : Cucullaea : *Cucullaea mathewsonii*	66 - 56 Ma Paleocene
Leda alaeformis species	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Nuculana : *Leda alaeformis*	66 - 56 Ma Paleocene
Saulella undulifera species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Saulella : *Saulella undulifera*	66 - 56 Ma Paleocene
Fasciolaria mucronata species	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Fasciolaria : *Fasciolaria mucronata*	66 - 56 Ma Paleocene
Turritella pachecoensis species	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella pachecoensis*	66 - 47.8 Ma Paleogene
Meretrix hornii species	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Meretrix : *Meretrix hornii*	41.3 - 38 Ma Eocene
Turritella infragranulata species	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella infragranulata*	66 - 56 Ma Paleocene
Pedalion genus	Animalia : Mollusca : Bivalvia : Ostreida : Malleidae : *Pedalion*	56 - 47.8 Ma Eocene
Phacoides muirensis species	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Phacoides : *Phacoides muirensis*	61.6 - 59.2 Ma Paleocene
Natica (Gyrodes) lineata species	Animalia : Mollusca : Gastropoda : Naticidae : Gyrodes : *Natica (Gyrodes) lineata*	66 - 56 Ma Paleocene
Tornatellaea pinguis species	Animalia : Mollusca : Gastropoda : Architectibranchia : Acteonidae : Tornatellaea : *Tornatellaea pinguis*	66 - 56 Ma Paleocene
Priscoficus caudatus species	Animalia : Mollusca : Gastropoda : Ficidae : Priscoficus : *Priscoficus caudatus*	66 - 56 Ma Paleocene
Cophocara stantoni species	Animalia : Mollusca : Gastropoda : Neogastropoda : Tudiclidae : Cophocara : *Cophocara stantoni*	72.1 - 66 Ma Late/Upper Cretaceous
Heteroterma gabbi species	Animalia : Mollusca : Gastropoda : Neogastropoda : Tudiclidae : Heteroterma : *Heteroterma gabbi*	66 - 56 Ma Paleocene
Heteroterma striata species	Animalia : Mollusca : Gastropoda : Neogastropoda : Tudiclidae : Heteroterma : *Heteroterma striata*	66 - 56 Ma Paleocene
Hesperocidaris merriami species	Animalia : Echinodermata : Echinoidea : Cidaroida : Cidaridae : Hesperocidaris : *Hesperocidaris merriami*	56 - 47.8 Ma Eocene
Oligodalatias jordani species	Animalia : Chordata : Chondrichthyes : Squaliformes : Dalatiidae : Oligodalatias : *Oligodalatias jordani*	33.9 - 28.1 Ma Oligocene
Acrilla (Ferminoscala) berthiaumei species	Animalia : Mollusca : Gastropoda : Epitoniidae : Scalina : *Acrilla (Ferminoscala) berthiaumei*	66 - 56 Ma Paleocene
Dentalium (Entalis) whiteavesi species	Animalia : Mollusca : Scaphopoda : Entalis : *Dentalium (Entalis) whiteavesi*	72.1 - 66 Ma Late/Upper Cretaceous
Rotularia (Rotularia) tejonensis species	Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Rotularia : *Rotularia (Rotularia) tejonensis*	66 - 56 Ma Paleocene
Galerus excentricus species	Animalia : Mollusca : Gastropoda : Calyptraeidae : Calyptraea : *Galerus excentricus*	66 - 56 Ma Paleocene
Ficopsis remondii species	Animalia : Mollusca : Gastropoda : Ficidae : Ficopsis : *Ficopsis remondii*	66 - 38 Ma Paleogene
Surculites mathewsonii species	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Surculites : *Surculites mathewsonii*	66 - 56 Ma Paleocene
Bullaea gabbiana species	Bullaea : *Bullaea gabbiana*	66 - 56 Ma Paleocene
Acila (Truncacila) decisa species	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Acila : *Acila (Truncacila) decisa*	59.2 - 56 Ma Paleocene
Acila gabbiana species	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Acila : *Acila gabbiana*	56 - 47.8 Ma Eocene
Turris monolifera species	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Turris : *Turris monolifera*	66 - 56 Ma Paleocene
Mammut pacificus species	Animalia : Chordata : Mammalia : Proboscidea : Mammutidae : Mammut : *Mammut pacificus*	0.3 - 0.012 Ma Pleistocene
Tellina martinezensis species	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Tellina : *Tellina martinezensis*	66 - 56 Ma Paleocene
Pholadomya nasuta species	Animalia : Mollusca : Bivalvia : Pholadomyidae : Pholadomya : *Pholadomya nasuta*	66 - 56 Ma Paleocene
Architectonica tuberculata species	Animalia : Mollusca : Gastropoda : Architectonicidae : Architectonica : *Architectonica tuberculata*	66 - 56 Ma Paleocene
Discohelix californicus species	Animalia : Mollusca : Gastropoda : Discohelicidae : Discohelix : *Discohelix californicus*	66 - 56 Ma Paleocene
Xenophora zitteli species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Xenophoridae : Xenophora : *Xenophora zitteli*	66 - 56 Ma Paleocene
Tritonium impressum species	Animalia : Mollusca : Gastropoda : Ranellidae : Charonia : *Tritonium impressum*	66 - 56 Ma Paleocene
Tritonium eocenicum species	Animalia : Mollusca : Gastropoda : Ranellidae : Charonia : *Tritonium eocenicum*	66 - 56 Ma Paleocene
Tritonium pulchrum species	Animalia : Mollusca : Gastropoda : Ranellidae : Charonia : *Tritonium pulchrum*	66 - 56 Ma Paleocene
Perissolax tricarnatus species	Animalia : Mollusca : Gastropoda : Ficidae : Perissolax : *Perissolax tricarnatus*	66 - 56 Ma Paleocene
Bullinula subglobosa species	Bullinula : *Bullinula subglobosa*	56 - 47.8 Ma Eocene
Actaeon lawsoni species	Animalia : Mollusca : Gastropoda : Architectibranchia : Acteonidae : Acteon : *Actaeon lawsoni*	59.2 - 47.8 Ma Paleogene
Galeodea meganosensis species	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cassidae : Galeodea : *Galeodea meganosensis*	56 - 47.8 Ma Eocene
Corbisema angularis species	Heterokontophyta : Dictyochophyceae : Dictyochales : Corbisema : *Corbisema angularis*	47.8 - 38 Ma Eocene
Corbisema exilis species	Heterokontophyta : Dictyochophyceae : Dictyochales : Corbisema : *Corbisema exilis*	47.8 - 38 Ma Eocene
Corbisema hastata species	Heterokontophyta : Dictyochophyceae : Dictyochales : Corbisema : *Corbisema hastata*	47.8 - 38 Ma Eocene
Dictyocha byronalis species	Heterokontophyta : Chrysophyceae : Phytomastigophora : Dictyochaceae : Dictyocha : *Dictyocha byronalis*	47.8 - 38 Ma Eocene
Naviculopsis genus	*Naviculopsis*	47.8 - 38 Ma Eocene
Naviculopsis americana species	Naviculopsis : *Naviculopsis americana*	47.8 - 38 Ma Eocene
Helicosphaera neolophota species	Haptophyta : Helicosphaera : *Helicosphaera neolophota*	47.8 - 38 Ma Eocene
Schizaster lecontei species	Animalia : Echinodermata : Echinoidea : Spatangoida : Schizasteridae : Schizaster : *Schizaster lecontei*	66 - 56 Ma Paleocene
Astrodapsis brewerianus species	Animalia : Echinodermata : Echinoidea : Clypeasteroida : Echinarachniidae : Astrodapsis : *Astrodapsis brewerianus*	15.97 - 11.608 Ma Miocene
Astrodapsis whitneyi species	Animalia : Echinodermata : Echinoidea : Clypeasteroida : Echinarachniidae : Astrodapsis : *Astrodapsis whitneyi*	15.97 - 11.608 Ma Miocene
Asterias remondii species	Animalia : Echinodermata : Asteroidea : Forcipulatida : Asteriidae : Asterias : *Asterias remondii*	11.608 - 5.333 Ma Miocene
Cidaris martinezensis species	Animalia : Echinodermata : Echinoidea : Cidaroida : Cidaridae : Cidaris : *Cidaris martinezensis*	55.8 - 48.6 Ma Eocene
Astrodapsis pabloensis species	Animalia : Echinodermata : Echinoidea : Clypeasteroida : Echinarachniidae : Astrodapsis : *Astrodapsis pabloensis*	15.97 - 11.608 Ma Miocene
Schizaster cordiformis species	Animalia : Echinodermata : Echinoidea : Spatangoida : Schizasteridae : Schizaster : *Schizaster cordiformis*	56 - 47.8 Ma Eocene

Fossil Localities

Click to show 99 fossil localities

USA

California
- Contra Costa County
  - Eocene🐚 2.5 miles NE of Clayton
  - Paleogene🐚 about 4 mi S of Martinez and east of the road to Walnut Creek
  - Pleistocene🐚 Antioch
  - Late/Upper Cretaceous🐚 Area 7: Deer Valley and Martinez
  - Miocene🐚 Bellshire
  - Eocene🐚 Byron Quadrangle
  - Eocene🐚 Camino Diablo Road
  - Late/Upper Cretaceous🐚 CAS 2539
  - Late/Upper Cretaceous🐚 CAS 25627
  - Late/Upper Cretaceous🐚 CAS 25707
  - Late/Upper Cretaceous🐚 CIT 1602
  - Eocene🐚 Clayton
  - Pleistocene🐚 Garretson UCMP V6312
  - Miocene🐚 Guthrie Quarry
  - Miocene🐚 Hercules
  - Late/Upper Cretaceous🐚 Kellogg Creek [Garzas Sand
  - Oligocene🐚 Kirker Pass
  - Pleistocene🐚 Lone Tree Point
  - Paleocene🐚 Martiñez
  - Paleogene🐚 Martinez or Clayton
  - Pleistocene🐚 Mokelumne Pipe Ditch
  - Neogene🐚 Mulholland
  - Paleogene🐚 Pacheco
  - Miocene🐚 Rodeo NR
  - Miocene🐚 San Pablo Dam
  - Cenozoic🐚 Swett's Ranch
  - Miocene🐚 Sycamore Creek
  - Paleocene🐚 Tunnel near smelter at Selby Station
  - Eocene🐚 UC 716 Mount Diablo
  - Miocene🐚 UCMP 1035
  - Miocene🐚 UCMP 1037
  - Miocene🐚 UCMP 1082a
  - Cenozoic🐚 UCMP 1131
  - Cenozoic🐚 UCMP 1173
  - Eocene🐚 UCMP 1412
  - Paleogene🐚 UCMP 150
  - Paleocene🐚 UCMP 1540
  - Paleocene🐚 UCMP 215
  - Paleocene🐚 UCMP 243
  - Neogene🐚 UCMP 2572
  - Eocene🐚 UCMP 3148
  - Eocene🐚 UCMP 3150
  - Eocene🐚 UCMP 3152
  - Eocene🐚 UCMP 3156
  - Eocene🐚 UCMP 3157
  - Eocene🐚 UCMP 3158
  - Eocene🐚 UCMP 3159
  - Eocene🐚 UCMP 3162
  - Miocene🐚 UCMP 3215

USA

California
- Contra Costa County
  - Eocene🐚 UCMP 3577
  - Eocene🐚 UCMP 3578
  - Eocene🐚 UCMP 3579
  - Eocene🐚 UCMP 3580
  - Eocene🐚 UCMP 3586
  - Eocene🐚 UCMP 3609
  - Eocene🐚 UCMP 3689
  - Eocene🐚 UCMP 476
  - Late/Upper Cretaceous🐚 UCMP 484
  - Miocene🐚 UCMP 509
  - Paleocene🐚 UCMP 65
  - Miocene🐚 UCMP 707
  - Miocene🐚 UCMP 708
  - Eocene🐚 UCMP 714
  - Paleogene🐚 UCMP A3290
  - Eocene🐚 UCMP A3821
  - Eocene🐚 UCMP A3822
  - Cenozoic🐚 UCMP V-0301
  - Miocene🐚 UCMP V-0501
  - Miocene🐚 UCMP V-1001
  - Miocene🐚 UCMP V-1102
  - Miocene🐚 UCMP V-1603
  - Miocene🐚 UCMP V-2402
  - Miocene🐚 UCMP V-2403
  - Miocene🐚 UCMP V-2837
  - Miocene🐚 UCMP V-2838
  - Miocene🐚 UCMP V-2839
  - Miocene🐚 UCMP V-2840
  - Neogene🐚 UCMP V-3303
  - Miocene🐚 UCMP V-3310
  - Miocene🐚 UCMP V-3405
  - Neogene🐚 UCMP V-3425
  - Miocene🐚 UCMP V-3523
  - Miocene🐚 UCMP V-3607
  - Neogene🐚 UCMP V-3611
  - Miocene🐚 UCMP V-3612
  - Miocene🐚 UCMP V-3614
  - Miocene🐚 UCMP V-3649
  - Neogene🐚 UCMP V-5053
  - Miocene🐚 UCMP V-5509
  - Cenozoic🐚 UCMP V-6869
  - Pleistocene🐚 Union Oil Tank Farm
  - Eocene🐚 UW 1073 - Martinez
  - Eocene🐚 UW 1074A - Martinez
  - Paleocene🐚 UW 1075 - Martinez
  - Paleocene🐚 UW 1698 - Martinez
  - Paleocene🐚 UW 1956 - Vine Hill
  - Paleocene🐚 UW 2329
  - Eocene🐚 UW 4000 - Martinez
  - Miocene🐚 Walnut Creek

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Contra_Costa_County,_California
Wikidata ID:	Q108058
GeoNames ID:	5339268

Localities in this Region

USA

California
- Contra Costa County

USA

California
- Contra Costa County

Other Regions, Features and Areas that Intersect

North AmericaContinent

Coast MountainsMountain Range

North America PlateTectonic Plate

California Central ValleyAccretionary Complex
California Coast RangesAccretionary Complex

North America Plate

USA

California
- Diablo RangeMountain Range

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Goodyear, Watson Andrews (1890), Alameda, Colusa, Contra Costa, Lake, Marin, Mendocino, Napa, Yolo Counties: California Mining Bureau. Report 10: 91-95, 153-164, 165, 227-271, 299, 314, 322, 349-363, 793-794.

Watts, Wm. L. (1893), Alameda, Colusa, Del Norte, Fresno, Glenn, Humboldt, Marin, Mendocino, Merced, Placer, Sacramento, Santa Clara, San Joaquin, Sonoma, Stanislaus, Sutter, Kern, Lake, Contra Costa, Tehama, Tulare Counties California Mining Bureau. Report 11: 121-138, 179-199, 210-240, 249-258, 319-322, 334-336, 374-375, 394, 453-479, 485-492.

Lawson, Andrew Cowper (1914), Description of the San Francisco district: Tamalpais, San Francisco, Concord, San Mateo, and Hayward quadrangles: USGS Geol. Atlas, San Francisco folio (No. 193), 24 pp.

Huguenin, Emile & W.O. Castello (1921), Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara, Santa Cruz Counties: California Journal of Mines and Geology; California Mining Bureau. (Report 17): 17: 17-42, 48-67, 163-165, 167-241.

Laizure, Clyde McK (1927), Contra Costa, Solano Counties: California Journal of Mines and Geology, California Mining Bureau (Report 23): 23: 2-31, 203-213.

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.

Davis, Fenelon Francis & J.W. Vernon (1951), Mines and mineral resources of Contra Costa County, California: California Journal of Mines and Geology: 47: 561-618.

Davis, Fenelon Francis and H.B. Goldman (1958) Mines and mineral resources of Contra Costa County. California Journal of Mines and Geology: 54: 501-583.

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology

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