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:
Douglas Co., Nevada, USA

Oldest recorded age at locality: 189.2
Youngest recorded age at locality: 149.4

mindat Locality ID: 36428
mindat URL: http://www.mindat.org/loc-36428.html

Tectonic Settings:

Total number of sublocalities beneath "Douglas Co., Nevada, USA": 99
Total number of bottom-level sublocalities: 84

Number of Child Localities: 8
Child Localities:
Buckskin Range
Dogtown Placers
Genoa District
Gold Prospect (Pikes Peak Mine)
Green Valley District
Pine Nut Mts
Wellington Hills
Wyandotte Mining Company

Latitude: 38°51'1"N
Longitude: 119°32'33"W
Decimal Degree (lat, lon): 38.850277777778,-119.5425
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 As Au B Ba Bi C Ca Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Sb Si Te Ti U W Zn 

Elements from minerals reported directly at this locality: Al Ca H K Mg O Si 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAluniteAndalusiteAragoniteArsenicArsenopyriteBaryteBrochantiteCalcite
ChalcopyriteClayClinozoisiteColumbiteCopperCoronaditeCorundumDiasporeEpidoteFeldspar
FluoriteGypsumKaoliniteLazuliteMalachiteMeta-autuniteMicaMolybdeniteNickelineNone
Not in a structural groupPhosphosideritePyritePyrophyllitePyroxeneQuartzRocksaltRutileScheeliteSmectite-vermiculite
SphaleriteSpinelStibniteTetradymiteTopazTourmalineTurquoiseWollastonite

75 IMA Minerals at location:
Acanthite  (*)Aegirine  (*)Albite  (*)Alunite  (*)Andalusite  (*)
Anglesite  (*)Aragonite  (*)Arsenic  (*)Arsenopyrite  (*)Aurichalcite  (*)
Baryte  (*)Bornite  (*)Brochantite  (*)Calcite  (*)Cerussite  (*)
Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)Clintonite  (*)Copper  (*)
Corkite  (*)Coronadite  (*)Corundum  (*)Creedite  (*)Cuprite  (*)
Diaspore  (*)Dolomite  (*)Epidote  (*)Fluorite  (*)Galena  (*)
Gearksutite  (*)Goethite  (*)Gold  (*)Gypsum  (*)Hematite  (*)
Hemimorphite  (*)Hübnerite  (*)Hydrozincite  (*)Jamesonite  (*)Jarosite  (*)
Kaolinite  (*)Lazulite  (*)Magnesite  (*)Magnetite  (*)Malachite  (*)
Meta-autunite  (*)Molybdenite  (*)Montmorillonite  (*)Muscovite  (*)Pararealgar  (*)
Phlogopite  (*)Phosphosiderite  (*)Powellite  (*)Pyrite  (*)Pyrophyllite  (*)
Pyrrhotite  (*)Quartz  (*)Realgar  (*)Rutile  (*)Saponite  (*)
Scheelite  (*)Schorl  (*)Scorodite  (*)Sphalerite  (*)Spinel  (*)
Stephanite  (*)Stibnite  (*)Strengite  (*)Tetradymite  (*)Topaz  (*)
Torbernite  (*)Turquoise  (*)Wollastonite  (*)Zoisite  (*)Zunyite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S189.2149.412355642793
Aegirine  (*)PyroxeneNaFe3+Si2O612355361022
Albite  (*)FeldsparNa(AlSi3O8)12355268803
Alunite  (*)NoneKAl3(SO4)2(OH)6189.2149.42235519,235583966
Andalusite  (*)AndalusiteAl2SiO512355251310
Anglesite  (*)BarytePb(SO4)189.2149.412355802734
Aragonite  (*)AragoniteCa(CO3)189.2149.412355623250
Arsenic  (*)ArsenicAs189.2149.41235541379
Arsenopyrite  (*)ArsenopyriteFeAsS189.2149.44235541,235574,235580,2355999052
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)61235597919
Baryte  (*)BaryteBa(SO4)123561411547
Bornite  (*)NoneCu5FeS4189.2149.42235534,2355855516
Brochantite  (*)BrochantiteCu4(SO4)(OH)612355971633
Calcite  (*)CalciteCa(CO3)189.2149.412235526,235529,235550,235554,235557,235558,235559,235562,235585,235598,235614,23561527770
Cerussite  (*)AragonitePb(CO3)189.2149.42235580,2355814979
Chalcocite  (*)NoneCu2S189.2149.412355595707
Chalcopyrite  (*)ChalcopyriteCuFeS2189.2149.412235520,235526,235527,235529,235534,235559,235581,235582,235585,235589,235593,23559727198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O189.2149.43235526,235529,2355593531
Clintonite  (*)Mica ClayCaAlMg2(SiAl3O10)(OH)2189.2149.4086
Copper  (*)CopperCu189.2149.412355593846
Corkite  (*)AlunitePbFe3+3(SO4)(PO4)(OH)61235614151
Coronadite  (*)CoronaditePb(Mn4+6Mn3+2)O161235614227
Corundum  (*)CorundumAl2O312355251797
Creedite  (*)NoneCa3Al2(SO4)(OH)2F8·2H2O123561448
Cuprite  (*)Not in a structural groupCu2O189.2149.42235559,2355852970
Diaspore  (*)DiasporeAlO(OH)189.2149.42235525,235583481
Dolomite  (*)NoneCaMg(CO3)212355299895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)189.2149.44235526,235529,235578,2355858173
Fluorite  (*)FluoriteCaF212356149617
Galena  (*)RocksaltPbS189.2149.49235526,235534,235579,235580,235581,235582,235589,235592,23560224243
Gearksutite  (*)NoneCaAlF4(OH)·H2O123561468
Goethite  (*)DiasporeFeO(OH)12355267437
Gold  (*)CopperAu189.2149.411235526,235528,235531,235533,235534,235564,235568,235570,235581,235600,23560230554
Gypsum  (*)GypsumCa(SO4)·2H2O12355266890
Hematite  (*)CorundumFe2O3189.2149.45235526,235529,235557,235558,23558114640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O2235597,2356141689
Hübnerite  (*)ColumbiteMn2+(WO4)189.2149.41235557469
Hydrozincite  (*)NoneZn5(CO3)2(OH)612355971066
Jamesonite  (*)NonePb4FeSb6S14189.2149.41235580784
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)612355262228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412355265591
Lazulite  (*)LazuliteMgAl2(PO4)2(OH)2189.2149.41235546232
Magnesite  (*)CalciteMg(CO3)12355291487
Magnetite  (*)SpinelFe2+Fe3+2O43235526,235529,23559714899
Malachite  (*)MalachiteCu2(CO3)(OH)2189.2149.46235526,235529,235559,235562,235585,23559312537
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O189.2149.41235543388
Molybdenite  (*)MolybdeniteMoS2189.2149.46235526,235547,235556,235557,235593,2355965800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O12355261508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2189.2149.45235525,235526,235529,235556,23559517380
Pararealgar  (*)NoneAs4S4123561457
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2189.2149.402273
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O1235614182
Powellite  (*)ScheeliteCa(MoO4)189.2149.43235547,235557,235593494
Pyrite  (*)PyriteFeS2189.2149.420235521,235523,235524,235526,235529,235544,235549,235556,235557,235558,235559,235579,235581,235582,235585,235589,235598,235602,235603,23561039462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)2189.2149.43235525,235532,235583771
Pyrrhotite  (*)NickelineFe7S8189.2149.42235526,2355859056
Quartz  (*)QuartzSiO2189.2149.431235521,235523,235524,235525,235526,235536,235537,235544,235549,235551,235553,235556,235557,235559,235560,235562,235564,235569,235574,235581,235582,235585,235588,235591,235595,235598,235602,235607,235609,235614,23561561156
Realgar  (*)NoneAsS1235614712
Rutile  (*)RutileTiO22235525,2355265614
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O189.2149.41235566301
Scheelite  (*)ScheeliteCa(WO4)189.2149.417235545,235547,235550,235552,235554,235557,235563,235565,235571,235579,235591,235592,235593,235603,235604,235611,2356134894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12355362705
Scorodite  (*)NoneFe3+(AsO4)·2H2O189.2149.412355741153
Sphalerite  (*)SphaleriteZnS189.2149.42235526,23557621482
Spinel  (*)SpinelMgAl2O4189.2149.412355871934
Stephanite  (*)NoneAg5SbS4189.2149.41235564586
Stibnite  (*)StibniteSb2S3189.2149.45235549,235580,235582,235589,2355983418
Strengite  (*)NoneFe3+(PO4)·2H2O1235614263
Tetradymite  (*)TetradymiteBi2Te2S1235600510
Topaz  (*)TopazAl2SiO4F212355251476
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O2235536,2355371059
Turquoise  (*)TurquoiseCuAl6(PO4)4(OH)8·4H2O1235526484
Wollastonite  (*)WollastoniteCaSiO3189.2149.412355501247
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)189.2149.412355781025
Zunyite  (*)NoneAl13Si5O20(OH,F)18Cl123552586


4 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-127298189.2154.8172±17.2   127298    62122Pine Nut Mts, Douglas Co., Nevada, USA NAVDAT NAVDAT 
NAVDAT-127299182.6149.4166±16.6   127299    62122Pine Nut Mts, Douglas Co., Nevada, USA NAVDAT NAVDAT 
NAVDAT-127318189.2154.8172±17.2   127318    62122Pine Nut Mts, Douglas Co., Nevada, USA NAVDAT NAVDAT 
NAVDAT-127326189.2154.8172±17.2   127326    62122Pine Nut Mts, Douglas Co., Nevada, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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