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Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USAi
Regional Level Types
Eagle Mountains Mining District (Monte Negro Mining District)Mining District
Eagle MountainsMountain Range
Riverside CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearchMineralogy
04953030017272059463250.jpg
Open Pit, Eagle Mountain Mine, 2015

Eagle Mountain Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
03793340017272059478552.jpg
Calcite

Eagle Mountain Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
08044210017272059485509.jpg
Linarite, etc.

Black Eagle Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
04953030017272059463250.jpg
Open Pit, Eagle Mountain Mine, 2015

Eagle Mountain Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
03793340017272059478552.jpg
Calcite

Eagle Mountain Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
08044210017272059485509.jpg
Linarite, etc.

Black Eagle Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
04953030017272059463250.jpg
Open Pit, Eagle Mountain Mine, 2015

Eagle Mountain Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
03793340017272059478552.jpg
Calcite

Eagle Mountain Mine, Eagle Mountain, Eagle Mountains Mining District, Eagle Mountains, Riverside County, California, USA
Latitude & Longitude (WGS84):
33° 51' 35'' North , 115° 33' 36'' West
Latitude & Longitude (decimal):
33.86000,-115.56000
GRN:
N23W69
Type:
Mining District
Köppen climate type:
BWh : Hot deserts climate
Mindat Locality ID:
29234
Long-form identifier:
mindat:1:2:29234:9
GUID (UUID V4):
0


The Eagle Mountains District is in eastern Riverside County. Although this district is best known as a major source of iron ore, it has also yielded some gold, silver, lead, and copper. The principal source of gold has been the Iron Chief mine, which has an estimated total production of $150,000 (period values). The gold and base metal deposits occur either as replacements along limestone-granite contacts or in fissure veins in either granitic or metamorphic rocks.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

34 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Colour: Long green crystals and off-white fibrous mats.
Description: Many samples were field collected by Chuck Trantham from the Eagle Mountain area. David Lowe analyzed them using XRD and XRF. Associated with calcite, which was not visible without magnification. Appearance similar to Chrysotile.
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ Anglesite
Formula: PbSO4
Description: Occurs associated with carbonates and vanadates.
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Bayldonite
Formula: PbCu3(AsO4)2(OH)2
Description: Reported as "Cuproplumbite."
ⓘ Brochantite
Formula: Cu4(SO4)(OH)6
References:
Daniel J. Evanich visual identificationIdentified by Daniel J. Evanich: Visual Identification
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Cuprite
Formula: Cu2O
ⓘ Dolomite
Formula: CaMg(CO3)2
Localities:
Lost Mayan Jade Mines, Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Eagle Mountain Mine (Eagle Mountain Iron Mine; Eagle Mountain Iron deposit; Kaiser Steel Corp.), Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Iron Chief Mine (Iron Chief deposit; Gray Eagle group; Messenger Mine), Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Storm-Jade Mountain Nephrite prospect (Storm Jade Mine; Storm Jade Mt Nephrite; Storm Jade Mountain Mines; Storm Jade Mountain deposit), Lost Mayan Jade Mines, Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Localities: Reported from at least 6 localities in this region.
ⓘ 'Ferro-actinolite-Tremolite Series'
Colour: Jet black to green
Description: Semi-opaque.
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Hematite var. Specularite
Formula: Fe2O3
ⓘ Linarite
Formula: PbCu(SO4)(OH)2
References:
Daniel J. Evanich visual identificationIdentified by Daniel J. Evanich: Visual Identification
ⓘ Lizardite
Formula: Mg3(Si2O5)(OH)4
ⓘ Maghemite
Formula: (Fe3+0.67◻0.33)Fe3+2O4
Colour: Brown
Description: Occurs as a coating on lodestone.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Localities:
Unspecified Jade occurrence [1], Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Storm-Jade Mountain Nephrite prospect (Storm Jade Mine; Storm Jade Mt Nephrite; Storm Jade Mountain Mines; Storm Jade Mountain deposit), Lost Mayan Jade Mines, Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Eagle Mountain Mine (Eagle Mountain Iron Mine; Eagle Mountain Iron deposit; Kaiser Steel Corp.), Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Iron Chief Mine (Iron Chief deposit; Gray Eagle group; Messenger Mine), Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Mission Sweet Mine, Eagle Mountain, Eagle Mountains Mining District (Monte Negro Mining District), Eagle Mountains, Riverside County, California, USA
Colour: Black
ⓘ Magnetite var. Lodestone
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Pyrite
Formula: FeS2
Description: Constitutes up to 15% of the Fe ore.
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Quartz
Formula: SiO2
ⓘ 'Scapolite'
Description: Occurs primarily in small dikes.
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Titanite
Formula: CaTiO(SiO4)
Description: Occurs in small amounts in gangue.
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Vanadinite
Formula: Pb5(VO4)3Cl
Description: Occurs with other lead oxidation products.
References:
Tucker, W. Burling (1924a), Imperial, Inyo, Kern, Los Angeles, Riverside, San Bernardino, San Diego, Ventura Counties: California Mining Bureau. Report 20: 195
Tucker, W. Burling & Reid J. Sampson (1940), Current mining activity in southern California: California Division Mines Report 36: 47
Tucker, W. Burling & Reid J. Sampson (1945), Mineral resources of Riverside County: California Journal of Mines and Geology, California Division Mines Report 41(3): 146-148
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 379-380.
Saul, R.B., Evans, J.R., and Gray, C.H. (1970) Mines and mineral resources of Riverside County. California Division of Mines and Geology County Report 9. Unpublished manuscript: 822
ⓘ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘ Wollastonite
Formula: Ca3(Si3O9)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘCuprite4.AA.10Cu2O
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Lodestone4.BB.05Fe2+Fe3+2O4
ⓘMaghemite4.BB.15(Fe3+0.67◻0.33)Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘvar. Specularite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘCerussite5.AB.15PbCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘBrochantite7.BB.25Cu4(SO4)(OH)6
ⓘLinarite7.BC.65PbCu(SO4)(OH)2
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘScheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘBayldonite8.BH.45PbCu3(AsO4)2(OH)2
ⓘVanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘVesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘWollastonite9.DG.05Ca3(Si3O9)
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘLizardite9.ED.15Mg3(Si2O5)(OH)4
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
ⓘ'Ferro-actinolite-Tremolite Series'-
ⓘ'Scapolite'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ BayldonitePbCu3(AsO4)2(OH)2
Hⓘ BrochantiteCu4(SO4)(OH)6
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ LinaritePbCu(SO4)(OH)2
Hⓘ LizarditeMg3(Si2O5)(OH)4
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Hⓘ Ferro-actinolite-Tremolite Series
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AnglesitePbSO4
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BayldonitePbCu3(AsO4)2(OH)2
Oⓘ BrochantiteCu4(SO4)(OH)6
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ CupriteCu2O
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ LinaritePbCu(SO4)(OH)2
Oⓘ LizarditeMg3(Si2O5)(OH)4
Oⓘ Maghemite(Fe3+0.67◻0.33)Fe23+O4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ VanadinitePb5(VO4)3Cl
Oⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oⓘ WollastoniteCa3(Si3O9)
Oⓘ Hematite var. SpeculariteFe2O3
Oⓘ Magnetite var. LodestoneFe2+Fe23+O4
Oⓘ Ferro-actinolite-Tremolite Series
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ FluoriteCaF2
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ LizarditeMg3(Si2O5)(OH)4
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Mgⓘ Ferro-actinolite-Tremolite Series
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ LizarditeMg3(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Siⓘ WollastoniteCa3(Si3O9)
Siⓘ Ferro-actinolite-Tremolite Series
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ BrochantiteCu4(SO4)(OH)6
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ LinaritePbCu(SO4)(OH)2
Sⓘ PyriteFeS2
ClChlorine
Clⓘ VanadinitePb5(VO4)3Cl
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ ScheeliteCa(WO4)
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Caⓘ WollastoniteCa3(Si3O9)
Caⓘ Ferro-actinolite-Tremolite Series
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ TitaniteCaTiO(SiO4)
VVanadium
Vⓘ VanadinitePb5(VO4)3Cl
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ Maghemite(Fe3+0.67◻0.33)Fe23+O4
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Feⓘ Hematite var. SpeculariteFe2O3
Feⓘ Magnetite var. LodestoneFe2+Fe23+O4
Feⓘ Ferro-actinolite-Tremolite Series
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BayldonitePbCu3(AsO4)2(OH)2
Cuⓘ BrochantiteCu4(SO4)(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ CupriteCu2O
Cuⓘ LinaritePbCu(SO4)(OH)2
Cuⓘ MalachiteCu2(CO3)(OH)2
AsArsenic
Asⓘ BayldonitePbCu3(AsO4)2(OH)2
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ BayldonitePbCu3(AsO4)2(OH)2
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
Pbⓘ LinaritePbCu(SO4)(OH)2
Pbⓘ VanadinitePb5(VO4)3Cl

Other Databases

Link to USGS MRDS:10072441

Localities in this Region

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Other Regions, Features and Areas containing this locality

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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

Storms, William H. (1893), Los Angeles, San Bernardino, San Diego Counties: California Mining Bureau. Report 11: 369
Tucker, W. Burling & Reid J. Sampson (1945), Mineral resources of Riverside County: California Journal of Mines and Geology, California Division of Mines (Report 41): 41(3): 136.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 176, 216, 545.
Clark, W.B. (1970) Gold Districts of California. Bulletin 193. California Division of Mines & Geologypp.157-158
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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