Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Coso Mts (Coso Range), Inyo Co., California, USA

Oldest recorded age at locality: 156
Youngest recorded age at locality: 0.01

mindat Locality ID: 215002
mindat URL: http://www.mindat.org/loc-215002.html

Tectonic Settings:

Total number of sublocalities beneath "Coso Mts (Coso Range), Inyo Co., California, USA": 109
Total number of bottom-level sublocalities: 93

Number of Child Localities: 3
Child Localities:
Coso District (New Coso District)
Silver Mountain
Sugar Loaf

Latitude: 36°13'26"N
Longitude: 117°50'47"W
Decimal Degree (lat, lon): 36.223888888889,-117.84638888889
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al Au Ca Cl Cu Fe H Hg K Mg Mo N O P S Si U W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteAmorphousAutuniteBotryogenChalcanthiteChalcopyriteClayClinozoisiteCopiapiteCopper
CoquimbiteCorundumCovelliteCristobaliteEpidoteFeldsparGypsumHalotrichiteKaoliniteMolybdenite
NoneNot in a structural groupOlivinePicromeritePyritePyroxeneQuartzRocksaltScheeliteSphalerite
SpinelSulphurTridymiteVoltaite

44 IMA Minerals at location:
Alunite  (*)Alunogen  (*)Autunite  (*)Botryogen  (*)Boussingaultite  (*)
Butlerite  (*)Chalcanthite  (*)Chalcopyrite  (*)Chlorargyrite  (*)Cinnabar  (*)
Clinoferrosilite  (*)Copiapite  (*)Coquimbite  (*)Covellite  (*)Cristobalite  (*)
Epidote  (*)Fayalite  (*)Ferricopiapite  (*)Gold  (*)Gypsum  (*)
Haiweeite  (*)Halotrichite  (*)Hematite  (*)Jarosite  (*)Kalinite  (*)
Kaolinite  (*)Kornelite  (*)Magnetite  (*)Metacinnabar  (*)Metahaiweeite  (*)
Molybdenite  (*)Opal  (*)Orthoclase  (*)Parabutlerite  (*)Powellite  (*)
Pyrite  (*)Quartz  (*)Rhomboclase  (*)Scheelite  (*)Sulphur  (*)
Tridymite  (*)Uranophane-α  (*)Voltaite  (*)Weeksite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunite  (*)NoneKAl3(SO4)2(OH)60.220.181157290966
Alunogen  (*)Not in a structural groupAl2(SO4)3(H2O)12·5H2O0.220.181157289272
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O1560.0111573031272
Botryogen  (*)BotryogenMgFe3+(SO4)2(OH)·7H2O0.220.18115728945
Boussingaultite  (*)Picromerite(NH4)2Mg(SO4)2·6H2O0.220.18115728830
Butlerite  (*)Not in a structural groupFe3+(SO4)(OH)·2H2O0.220.18115729026
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O0.220.181157290925
Chalcopyrite  (*)ChalcopyriteCuFeS21560.012157280,15730927198
Chlorargyrite  (*)RocksaltAgCl990.0111572611382
Cinnabar  (*)NoneHgS0.220.182157290,1572912600
Clinoferrosilite  (*)PyroxeneFe2+2Si2O65.30.013157289,157345,15734718
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O0.220.182157289,157290382
Coquimbite  (*)CoquimbiteAlFe3(SO4)6(H2O)12·6H2O0.220.182157289,157290136
Covellite  (*)CovelliteCuS0.220.1811572904165
Cristobalite  (*)CristobaliteSiO25.30.014157288,157289,157344,157345453
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1560.0111572778173
Fayalite  (*)OlivineFe2+2(SiO4)5.30.012157344,157345371
Ferricopiapite  (*)CopiapiteFe3+0.67Fe3+4(SO4)6(OH)2·20H2O0.220.18115728941
Gold  (*)CopperAu880.0119157271,157275,157276,157278,157279,157280,157283,157286,157305,157309,157310,157315,157322,157323,157324,157325,157327,157328,15736430554
Gypsum  (*)GypsumCa(SO4)·2H2O0.220.1811572906890
Haiweeite  (*)NoneCa(UO2)2(Si5O12)(OH)2·6H2O1560.01115734615
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O0.220.182157289,157290409
Hematite  (*)CorundumFe2O3880.012157290,15736514640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)60.220.182157289,1572902228
Kalinite  (*)NoneKAl(SO4)2·11H2O1560.01115729354
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)43.9823.25811573015591
Kornelite  (*)Not in a structural groupFe3+2(SO4)3·7H2O (?)0.220.183157288,157289,15729021
Magnetite  (*)SpinelFe2+Fe3+2O4880.013157344,157345,15736514899
Metacinnabar  (*)SphaleriteHgS0.220.183157289,157290,157291255
Metahaiweeite  (*)NoneCa(UO2)2Si6O15·nH2O1560.0111573462
Molybdenite  (*)MolybdeniteMoS2990.0542157264,1572845800
Opal  (*)AmorphousSiO2·nH2O5.30.016157261,157290,157291,157303,157344,1573452994
Orthoclase  (*)FeldsparK(AlSi3O8)5.30.012157344,1573452349
Parabutlerite  (*)Not in a structural groupFe3+(SO4)(OH)·2H2O0.220.18115729023
Powellite  (*)ScheeliteCa(MoO4)1560.011157284494
Pyrite  (*)PyriteFeS20.220.183157279,157290,15729139462
Quartz  (*)QuartzSiO2880.0121157271,157275,157276,157278,157279,157280,157283,157286,157290,157291,157305,157309,157310,157315,157322,157323,157324,157325,157327,157328,15736461156
Rhomboclase  (*)Not in a structural group(H5O2)Fe3+(SO4)2·2H2O0.220.18115728953
Scheelite  (*)ScheeliteCa(WO4)3.9823.2585157277,157281,157284,157300,1573534894
Sulphur  (*)SulphurS0.220.184157289,157290,157291,1572942045
Tridymite  (*)TridymiteSiO25.30.012157344,157345458
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O1560.011157346890
Voltaite  (*)VoltaiteK2Fe2+5Fe3+3Al(SO4)12·18H2O0.220.182157289,157290111
Weeksite  (*)None(K)2(UO2)2(Si5O13)·4H2O1560.01115734642


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_443Granodiorite of Sugarloaf, 3.2 km S of Roaring River Falls See Table A1. Not to be confused with Sugar Loaf Mountain, also a peak in the Coso Mountains.
Michelle_452Granite of the Cactus Point pluton, Hwy. 180, 1.6 km NE of Ash Mountain Park Headquarters See Table A1.
Michelle_460Granite porphyry dike, 26 km E of Haiwee Reservoir, northern Coso Mountains See Table A1.
Michelle_473Quartz monzonite of Coso pluton, road 3.2 km S of Darwin See Table A1.


33 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Michelle_4608880<88U-PbPreferred intrusive agezircon65  Zircon  215002Coso Mts (Coso Range), Inyo Co., California, USACoso Mountains (dike)Chen and Moore (1982)10.1029/JB087iB06p04761AJS299_93See p. 4768, Table 2. Age group LK (Late Cretaceous 80-100 ma).
Michelle_473156156156U-PbPreferred intrusive agezircon78  Zircon  215002Coso Mts (Coso Range), Inyo Co., California, USACoso plutonChen and Moore (1982)10.1029/JB087iB06p04761AJS299_93See p. 4768, Table 2. Age group J (Jurassic 140-195 ma).
Michelle_4529980<99U-PbPreferred intrusive agezircon57  Zircon  256019Cactus Peak, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USACactus Point plutonChen and Moore (1982)10.1029/JB087iB06p04761AJS299_93See p. 4768, Table 2. Age group LK (Late Cretaceous 80-100 ma).
NAVDAT-183413.963.243.6±0.36   18341    78618Caso Pumice Mine, Cactus Peak, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-1311880.0720.0540.063±0.009   131188    79639Unnamed Pumice Prospect [7], Cactus Peak, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53430.220.180.2±0.02   5343    25091Coso Mine (Devil's Kitchen; Atlas; Lynch & Lynch; Nicol; Walley-Mickey & Wheeler), Coso Hot Springs Deposit, Coso Hot Springs, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-52963.9823.2583.62±0.362   5296    254885Coso Peak, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-494864.524.144.33±0.19   49486    78842Gold Ring Occurrence (Gold Rings), Louisiana Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-52925.30.012.66+2.64/-2.65   5292    78842Gold Ring Occurrence (Gold Rings), Louisiana Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53292.7722.2682.52±0.252   5329    78953Inland Oil Prospect, South Haiwee Dam, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53302.7722.2682.52±0.252   5330    78953Inland Oil Prospect, South Haiwee Dam, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53312.7722.2682.52±0.252   5331    79583Unnamed Stone Prospect [1], South Haiwee Dam, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-295650.190.130.16±0.03   29565    79075Little Lake Perlite Deposits (Desert Materials Corp. Deposit), Sugarloaf Mountain, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-103551.141.021.08±0.06   10355    208736Unnamed Lava Flow [1], Sugarloaf Mountain, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-103581.141.021.08±0.06  sanidine10358  Sanidine  208736Unnamed Lava Flow [1], Sugarloaf Mountain, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53185.30.012.66+2.64/-2.65   5318    208736Unnamed Lava Flow [1], Sugarloaf Mountain, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53480.110.090.1±0.01   5348    208736Unnamed Lava Flow [1], Sugarloaf Mountain, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-122043.653.133.66+-0.01/-0.53   12204    254334Volcano Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-122053.653.133.39±0.26   12205    254334Volcano Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-52603.7953.1053.45±0.345   5260    254334Volcano Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-52893.7953.1053.45±0.345   5289    254334Volcano Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-52903.7953.1053.45±0.345   5290    254334Volcano Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-122013.653.133.39±0.26   12201    78446American Pumice Company Mine, Volcano Butte, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-4431086.181.583.8±2.3   44310    79683U-Obras Prospect, Silver Mountain, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-4431183.983.183.5±0.4   44311    79683U-Obras Prospect, Silver Mountain, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-4882991.7475.0683.4±8.34  zircon48829  Zircon  79683U-Obras Prospect, Silver Mountain, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-4883091.7475.0683.4±8.34  zircon48830  Zircon  79683U-Obras Prospect, Silver Mountain, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53282.7722.2682.52±0.252   5328    79631Unnamed Pumice Mine [5], Silver Mountain, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
Michelle_4438880<88U-PbPreferred intrusive agezircon48  Zircon  256006Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USASugarloafChen and Moore (1982)10.1029/JB087iB06p04761AJS299_93See p. 4768, Table 2. Age group LK (Late Cretaceous 80-100 ma).
NAVDAT-2955741.52.75±1.25   29557    79470Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53495.30.012.66+2.64/-2.65   5349    79470Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53505.30.012.66+2.64/-2.65   5350    79470Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 
NAVDAT-53515.30.012.66+2.64/-2.65   5351    79470Staats Occurrence, Sugar Loaf, Coso Mts (Coso Range), Inyo Co., California, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL
R070157Coso Hot Springs, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USAhttps://rruff.info/R070157

All locality data graciously provided by mindat.org

All age data...

Other copyright data...