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:
Lake Co., California, USA

Oldest recorded age at locality: 172
Youngest recorded age at locality: 0

mindat Locality ID: 14592
mindat URL: http://www.mindat.org/loc-14592.html

Tectonic Settings:

Total number of sublocalities beneath "Lake Co., California, USA": 291
Total number of bottom-level sublocalities: 233

Number of Child Localities: 32
Child Localities:
Bartlett Springs
Bradford Mine (Bradford Quicksilver Mine)
Cabbage Patch
Emmet Jones
Enterprise
Glenbrook
Glenview
Hiddden Valley Lake
Hidden Valley Lake
Highland Springs (Highland)
Hough Springs
Howard Springs
Hullville
Kelseyville
Knoxville District
Lake Pillsbury
Lakeport
Laurel Dell
Little Indian Valley
Lower Lake
Mayacmas Mts (Mayacamas Mts)
Morgan Valley
North Lakeport
Parramore Springs
Pioneer Mine
Riviera Estates
Rose Place
Soda Bay
Sulphur Creek District (Sulfur Creek District; Wilbur Springs District)
Upper Lake
Vann
Witter Springs

Latitude: 39°3'5"N
Longitude: 122°45'1"W
Decimal Degree (lat, lon): 39.051388888889,-122.75027777778
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: Al As Au B Ba C Ca Cl Cr Cu F Fe H Hg K Mg Mn N Na Ni O Pb S Sb Se Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAlumAluniteAmorphousAmphiboleAragoniteBaryteBerylCalciteChalcopyrite
ClayCopiapiteCopperCoquimbiteCorundumCristobaliteDiasporeEpsomiteFeldsparFluorite
GarnetGypsumKaoliniteMalachiteMarcasiteMelanteriteMicaMilleriteNoneNorthupite
Not in a structural groupOrpimentPectolitePyritePyroxeneQuartzRocksaltRutileSerpentineSmectite-vermiculite
SphaleriteSpinelStibniteSulphurTridymiteWollastonite

79 IMA Minerals at location:
Alum-(K)  (*)Alunite  (*)Anatase  (*)Ankerite  (*)Anorthite  (*)
Aragonite  (*)Azurite  (*)Baryte  (*)Borax  (*)Bornite  (*)
Buddingtonite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chromite  (*)
Chrysotile  (*)Cinnabar  (*)Copiapite  (*)Copper  (*)Coquimbite  (*)
Cordierite  (*)Cristobalite  (*)Diopside  (*)Dolomite  (*)Epsomite  (*)
Fluorite  (*)Gaylussite  (*)Glauberite  (*)Glaucophane  (*)Goethite  (*)
Gold  (*)Gypsum  (*)Halite  (*)Hematite  (*)Idrialite  (*)
Jamesonite  (*)Jarosite  (*)Kalinite  (*)Kaolinite  (*)Magnesiochromite  (*)
Magnesite  (*)Malachite  (*)Marcasite  (*)Melanterite  (*)Mercury  (*)
Metacinnabar  (*)Metastibnite  (*)Millerite  (*)Montmorillonite  (*)Montroydite  (*)
Muscovite  (*)Natron  (*)Neotocite  (*)Northupite  (*)Opal  (*)
Orpiment  (*)Pectolite  (*)Pirssonite  (*)Pyrite  (*)Pyrolusite  (*)
Quartz  (*)Realgar  (*)Rosickýite  (*)Sassolite  (*)Schuetteite  (*)
Siderite  (*)Stibnite  (*)Sulphur  (*)Teepleite  (*)Thermonatrite  (*)
Tiemannite  (*)Tincalconite  (*)Tridymite  (*)Trona  (*)Tschermigite  (*)
Tychite  (*)Ulexite  (*)Uvarovite  (*)Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alum-(K)  (*)AlumKAl(SO4)2·12H2O116078392
Alunite  (*)NoneKAl3(SO4)2(OH)61160783966
Anatase  (*)Not in a structural groupTiO211607832162
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2172011606403092
Anorthite  (*)FeldsparCa(Al2Si2O8)2.9011607321036
Aragonite  (*)AragoniteCa(CO3)2.903160640,160656,1607833250
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22.9011607115509
Baryte  (*)BaryteBa(SO4)116078311547
Borax  (*)NoneNa2B4O5(OH)4·8H2O51.643160762,160774,16078376
Bornite  (*)NoneCu5FeS411606145516
Buddingtonite  (*)Feldspar(NH4)(AlSi3)O8116078327
Calcite  (*)CalciteCa(CO3)16406160620,160654,160668,160720,160735,16078327770
Chalcocite  (*)NoneCu2S2.9011607275707
Chalcopyrite  (*)ChalcopyriteCuFeS22.90116073727198
Chromite  (*)SpinelFe2+Cr2O41721.6431160546,160550,160553,160558,160571,160578,160587,160604,160621,160626,160645,160671,160675,160678,160682,160683,160685,160686,160689,160701,160718,160720,160721,160722,160726,160738,160750,160771,160784,160785,1608013902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)42.901160731951
Cinnabar  (*)NoneHgS164030160608,160620,160640,160651,160652,160653,160654,160655,160656,160657,160659,160662,160666,160668,160684,160705,160710,160720,160723,160724,160729,160730,160733,160753,160783,160790,160798,160806,160817,1608192600
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O1160783382
Copper  (*)CopperCu11606353846
Coquimbite  (*)CoquimbiteAlFe3(SO4)6(H2O)12·6H2O1160783136
Cordierite  (*)BerylMg2Al4Si5O182.902160637,1607021008
Cristobalite  (*)CristobaliteSiO21160783453
Diopside  (*)PyroxeneCaMgSi2O611605844135
Dolomite  (*)NoneCaMg(CO3)216405160620,160653,160720,160730,1607839895
Epsomite  (*)EpsomiteMg(SO4)·7H2O2.903160656,160783,160819484
Fluorite  (*)FluoriteCaF211606159617
Gaylussite  (*)NoneNa2Ca(CO3)2·5H2O51.642160762,16077457
Glauberite  (*)NoneNa2Ca(SO4)2541160774137
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)22.901160666286
Goethite  (*)DiasporeFeO(OH)11607837437
Gold  (*)CopperAu116079030554
Gypsum  (*)GypsumCa(SO4)·2H2O11607836890
Halite  (*)RocksaltNaCl51.642160762,1607741398
Hematite  (*)CorundumFe2O3116079814640
Idrialite  (*)NoneC22H1416405160640,160656,160659,160720,16073015
Jamesonite  (*)NonePb4FeSb6S141641641160720784
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)62160783,1608192228
Kalinite  (*)NoneKAl(SO4)2·11H2O116078354
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411607835591
Magnesiochromite  (*)SpinelMgCr2O41641642160679,160743311
Magnesite  (*)CalciteMg(CO3)2.903160654,160777,1607861487
Malachite  (*)MalachiteCu2(CO3)(OH)22.902160711,16072712537
Marcasite  (*)MarcasiteFeS22.906160620,160640,160656,160783,160798,1608195674
Melanterite  (*)MelanteriteFe(SO4)·7H2O3160548,160783,160819915
Mercury  (*)NoneHg164010160548,160620,160640,160653,160654,160656,160666,160720,160730,160753397
Metacinnabar  (*)SphaleriteHgS16407160640,160656,160720,160730,160783,160798,160819255
Metastibnite  (*)StibniteSb2S3116078387
Millerite  (*)MilleriteNiS16416411607201066
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O11607831508
Montroydite  (*)NoneHgO116062029
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2116078317380
Natron  (*)NoneNa2(CO3)·10H2O54116077451
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)1160835186
Northupite  (*)NorthupiteNa3Mg(CO3)2Cl54116077431
Opal  (*)AmorphousSiO2·nH2O1641647160641,160656,160720,160753,160783,160798,1608192994
Orpiment  (*)OrpimentAs2S31160557511
Pectolite  (*)PectoliteNaCa2Si3O8(OH)2.901160735363
Pirssonite  (*)NoneNa2Ca(CO3)2·2H2O54116077419
Pyrite  (*)PyriteFeS21641647160620,160640,160656,160659,160668,160720,16078339462
Pyrolusite  (*)RutileMnO22.904160633,160646,160778,1608323106
Quartz  (*)QuartzSiO21641.647160653,160654,160666,160696,160720,160766,16078361156
Realgar  (*)NoneAsS1160557712
Rosickýite  (*)NoneS116078322
Sassolite  (*)NoneB(OH)32.902160674,16078331
Schuetteite  (*)NoneHg3O2(SO4)00116078321
Siderite  (*)CalciteFe(CO3)11607836417
Stibnite  (*)StibniteSb2S32160783,1608193418
Sulphur  (*)SulphurS1.681.645160607,160753,160762,160783,1608192045
Teepleite  (*)NoneNa2B(OH)4Cl5411607743
Thermonatrite  (*)NoneNa2(CO3)·H2O54116077464
Tiemannite  (*)SphaleriteHgSe1641644160640,160656,160720,16081983
Tincalconite  (*)NoneNa2B4O5(OH)4·3H2O54116077429
Tridymite  (*)TridymiteSiO21160805458
Trona  (*)NoneNa3(HCO3)(CO3)·2H2O51.642160762,160774129
Tschermigite  (*)Alum(NH4)Al(SO4)2·12H2O116078381
Tychite  (*)NorthupiteNa6Mg2(CO3)4(SO4)5411607746
Ulexite  (*)NoneNaCaB5O6(OH)6·5H2O51.642160762,160774160
Uvarovite  (*)GarnetCa3Cr2(SiO4)31160785212
Wollastonite  (*)WollastoniteCaSiO32.902160565,1607151247


18 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
NAVDAT-29547544+1/-0   29547    80902Unknown Stone Quarry (4), Glenview, Lake Co., California, USA NAVDAT NAVDAT 
NAVDAT-1303670.460.420.44±0.02   130367    80830Immel Property, Kelseyville, Lake Co., California, USA NAVDAT NAVDAT 
NAVDAT-1303680.470.430.45±0.02   130368    229518Konocti Bay, Kelseyville, Lake Co., California, USA NAVDAT NAVDAT 
NAVDAT-1303730.520.480.5±0.02   130373    80908Unnamed Stone Occurrence (10), Kelseyville, Lake Co., California, USA NAVDAT NAVDAT 
Hg-001102.90 ?-?     Cinnabar, Mercury, Metacinnabar, Schuetteite, TiemanniteHg80795East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA Smith et al. (2008)10.1016/j.epsl.2008.02.029EPSL269_399 
NAVDAT-1303841.681.641.66±0.02   130384    229400Caldwell Pines, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA NAVDAT NAVDAT 
podchrome-00325172166Middle Jurassic (169±3 U-Pb, zircon in plagiogranite)  zircon   Zircon Cr80817Gunn Claim, Caldwell Pines, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USAGunn ClaimsMoiser et al. (2012) USGSSIR2012_5157 
NAVDAT-1303781.071.031.05±0.02   130378    80901Unnamed Cr Occurrence (6), Cobb, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA NAVDAT NAVDAT 
podchrome-00324164164Middle Jurassic (161-168 Ma)       Cr80785Butler Claims, Detert Reservoir, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USAButler ClaimsMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00323164164Middle Jurassic (161-168 Ma)       Cr80774Great Western Mine (Laguna Western; Black Bart Mine; Tucker Lease), Great Western-Mirabel Group, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USABlack BartMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00326172166Middle Jurassic (169±3 U-Pb, zircon in plagiogranite)  zircon   Zircon Cr80820Harp And Sons Ranch Deposits, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USAHarp and Sons RanchMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00327164164Middle Jurassic (161-168 Ma)       Cr80827Holmstatt Deposit (Holmstedt Deposit), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USAHolmstedtMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00074164164Middle Jurassic (161-168 Ma)       Cr80834Kangaroo Court Mine, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USAKangaroo CourtMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00274164164Middle Jurassic (161-168 Ma)       Cr80893Sutro Mine, Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USASutroMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00328164164Middle Jurassic (161-168 Ma)       Cr80842Lucky Strike Mine, Morgan Valley, Lake Co., California, USALucky StrikeMoiser et al. (2012) USGSSIR2012_5157 
NAVDAT-1303871.681.641.66±0.02   130387    229329Clear Lake, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA NAVDAT NAVDAT 
NAVDAT-29604544+1/-0   29604    3437Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA NAVDAT NAVDAT 
NAVDAT-29605544+1/-0   29605    3437Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL
R070370Lake Co., California, USAhttps://rruff.info/R070370
R060700Borax Lake (Big Borax Lake), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USAhttps://rruff.info/R060700

All locality data graciously provided by mindat.org

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