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Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USAi
Regional Level Types
Lassen PeakPeak
Lassen Volcanic National ParkNational Park
Shasta CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
07526720017272011346452.jpg
View of the Lassen Volcanic National Park area, in 1915.

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
05828000017272011367038.jpg
Lassen Peak

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
01813010017272011381924.jpg
Volcanic rock near Helen Lake on flank of Lassen Peak

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
07526720017272011346452.jpg
View of the Lassen Volcanic National Park area, in 1915.

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
05828000017272011367038.jpg
Lassen Peak

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
01813010017272011381924.jpg
Volcanic rock near Helen Lake on flank of Lassen Peak

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
05115340017272011495663.jpg
View of the Lassen Volcanic National Park area, in 1915.

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
05828000017272011367038.jpg
Lassen Peak

Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
Latitude & Longitude (WGS84):
40° 29' 16'' North , 121° 30' 14'' West
Latitude & Longitude (decimal):
40.48778,-121.50389
GRN:
N27W67
Type:
Peak
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Mineral123 (2011)17.4km
Chester2,144 (2011)30.6km
Manton347 (2011)31.5km
Shingletown2,283 (2011)32.6km
Lake Almanor West270 (2011)37.7km
Mindat Locality ID:
3579
Long-form identifier:
mindat:1:2:3579:1
GUID (UUID V4):
0


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

22 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Alunite
Formula: KAl3(SO4)2(OH)6
Description: Occurs in the altered and kaolinized volcanic rocks about the hot springs.
References:
…Volcano Letter o. 293: 1-3 1930: 120
Day, Arthur L. & E.T. Allen (1925), The volcanic activity and hot springs of Lassen Peak, California: Carnegie Instit. Washington Pub. 360, 190 pp.
Anderson, Charles A. (1935), Alteration of the lavas surrounding the hot springs in Lassen Volcanic National Park: American Mineralogist: 20: 242
Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.p.558
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Robert G. Lee, John H. Dilles, David A. John, Tanya L. Abela (2005) The mineralogy and origin of hydrothermally altered Quaternary volcanic rocks on the south flank of Lassen volcano, California: Interim report for USGS Mineral Resource External Research Program grant of $42,000 in FY 2005
ⓘ Alunogen
Formula: Al2(SO4)3 · 17H2O
Description: Occurs as incrustations around hot springs.
ⓘ Anatase
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group'
ⓘ Cristobalite
Formula: SiO2
ⓘ Dickite
Formula: Al2(Si2O5)(OH)4
ⓘ 'Fayalite-Forsterite Series'
Description: Occurs as phenocrysts in basaltic andesites and basalts.
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
Description: Occurs as incrustations around hot springs.
ⓘ Hematite
Formula: Fe2O3
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
ⓘ Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
Description: Occurs in lavas.
ⓘ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘ Native Sulphur
Formula: S8
ⓘ Natroalunite
Formula: NaAl3(SO4)2(OH)6
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrophyllite
Formula: Al2Si4O10(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Voltaite
Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘCristobalite4.DA.15SiO2
ⓘAnatase4.DD.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAlunite7.BC.10KAl3(SO4)2(OH)6
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
ⓘNatroalunite7.BC.10NaAl3(SO4)2(OH)6
ⓘMelanterite7.CB.35Fe2+(H2O)6SO4 · H2O
ⓘAlunogen7.CB.45Al2(SO4)3 · 17H2O
ⓘHalotrichite7.CB.85FeAl2(SO4)4 · 22H2O
ⓘVoltaite7.CC.25K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Group 9 - Silicates
ⓘPyrophyllite9.EC.10Al2Si4O10(OH)2
ⓘMontmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘDickite9.ED.05Al2(Si2O5)(OH)4
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘMesolite9.GA.05Na2Ca2Si9Al6O30 · 8H2O
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Fayalite-Forsterite Series'-

List of minerals for each chemical element

HHydrogen
Hⓘ AluniteKAl3(SO4)2(OH)6
Hⓘ AlunogenAl2(SO4)3 · 17H2O
Hⓘ DickiteAl2(Si2O5)(OH)4
Hⓘ GoethiteFe3+O(OH)
Hⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MelanteriteFe2+(H2O)6SO4 · H2O
Hⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Hⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hⓘ NatroaluniteNaAl3(SO4)2(OH)6
Hⓘ OpalSiO2 · nH2O
Hⓘ PyrophylliteAl2Si4O10(OH)2
Hⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AluniteKAl3(SO4)2(OH)6
Oⓘ AlunogenAl2(SO4)3 · 17H2O
Oⓘ AnataseTiO2
Oⓘ CalciteCaCO3
Oⓘ CristobaliteSiO2
Oⓘ DickiteAl2(Si2O5)(OH)4
Oⓘ GoethiteFe3+O(OH)
Oⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Oⓘ HematiteFe2O3
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MelanteriteFe2+(H2O)6SO4 · H2O
Oⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Oⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oⓘ NatroaluniteNaAl3(SO4)2(OH)6
Oⓘ OpalSiO2 · nH2O
Oⓘ PyrophylliteAl2Si4O10(OH)2
Oⓘ QuartzSiO2
Oⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Oⓘ Fayalite-Forsterite Series
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Naⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Naⓘ NatroaluniteNaAl3(SO4)2(OH)6
MgMagnesium
Mgⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AluniteKAl3(SO4)2(OH)6
Alⓘ AlunogenAl2(SO4)3 · 17H2O
Alⓘ DickiteAl2(Si2O5)(OH)4
Alⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Alⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alⓘ NatroaluniteNaAl3(SO4)2(OH)6
Alⓘ PyrophylliteAl2Si4O10(OH)2
Alⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ CristobaliteSiO2
Siⓘ DickiteAl2(Si2O5)(OH)4
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Siⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ PyrophylliteAl2Si4O10(OH)2
Siⓘ QuartzSiO2
Siⓘ Fayalite-Forsterite Series
SSulfur
Sⓘ AluniteKAl3(SO4)2(OH)6
Sⓘ AlunogenAl2(SO4)3 · 17H2O
Sⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ MelanteriteFe2+(H2O)6SO4 · H2O
Sⓘ NatroaluniteNaAl3(SO4)2(OH)6
Sⓘ PyriteFeS2
Sⓘ Native SulphurS8
Sⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
KPotassium
Kⓘ AluniteKAl3(SO4)2(OH)6
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Caⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
TiTitanium
Tiⓘ AnataseTiO2
FeIron
Feⓘ GoethiteFe3+O(OH)
Feⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Feⓘ HematiteFe2O3
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ MelanteriteFe2+(H2O)6SO4 · H2O
Feⓘ PyriteFeS2
Feⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Feⓘ Fayalite-Forsterite Series

Localities in this Region

USA
  • California

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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

Day, Arthur L. & E.T. Allen (1925), The volcanic activity and hot springs of Lassen Peak, California: Carnegie Instit. Washington Pub. 360, 190 pp.; …Volcano Letter o. 293: 1-3 1930: 118, 120.
Anderson, Charles A. (1935), Alteration of the lavas surrounding the hot springs in Lassen Volcanic National Park: American Mineralogist: 20: 242
Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 62, 63, 213, 261.
Smith, A. L.; Carmichael, I. S. E. (1968) Quaternary lavas from the southern Cascades, western U.S.A. Contributions to Mineralogy and Petrology, 19 (3). 212-238 doi:10.1007/bf00508912
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Lee, Robert G., John H. Dilles, David A. John, Tanya L. Abela (2005) The mineralogy and origin of hydrothermally altered Quaternary volcanic rocks on the south flank of Lassen volcano, California: Interim report for USGS Mineral Resource External Research Program grant of $42,000 in FY 2005.
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