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:
Modoc Co., California, USA

Oldest recorded age at locality: 23.8
Youngest recorded age at locality: 0.029

mindat Locality ID: 28447
mindat URL: http://www.mindat.org/loc-28447.html

Tectonic Settings:

Total number of sublocalities beneath "Modoc Co., California, USA": 167
Total number of bottom-level sublocalities: 127

Number of Child Localities: 7
Child Localities:
Alturas
Cascade Range
Cedarville
Goose Lake
Modoc Plateau
Surprise Valley
Warner Mts

Latitude: 41°35'7"N
Longitude: 120°28'42"W
Decimal Degree (lat, lon): 41.585277777778,-120.47833333333
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 C Ca Cr Cu Fe H Hg K Mg N Na Ni O P S Si 

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

Structural Groups for minerals in this locality: 
AmorphousCalciteChalcopyriteClayCopperCorundumFeldsparHaxoniteIronMalachite
MicaNatroliteNoneNot in a structural groupPerovskitePyriteQuartzRocksaltSmectite-vermiculiteSphalerite
SpinelTalcTridymite

31 IMA Minerals at location:
Albite  (*)Anorthite  (*)Azurite  (*)Calcite  (*)Carlsbergite  (*)
Chalcopyrite  (*)Cinnabar  (*)Cohenite  (*)Copper  (*)Cuprite  (*)
Daubréelite  (*)Gold  (*)Graphite  (*)Haxonite  (*)Hematite  (*)
Ice  (*)Iron  (*)Magnetite  (*)Malachite  (*)Metacinnabar  (*)
Muscovite  (*)Natrolite  (*)Niter  (*)Nontronite  (*)Pyrite  (*)
Quartz  (*)Schreibersite  (*)Silver  (*)Taenite  (*)Talc  (*)
Troilite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)11638778803
Anorthite  (*)FeldsparCa(Al2Si2O8)23.80.02901036
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22163886,1639615509
Calcite  (*)CalciteCa(CO3)5163850,163876,163877,163878,16395927770
Carlsbergite  (*)RocksaltCrN116385326
Chalcopyrite  (*)ChalcopyriteCuFeS22163890,16391927198
Cinnabar  (*)NoneHgS4163851,163894,163953,1639612600
Cohenite  (*)PerovskiteCFe3116385377
Copper  (*)CopperCu11638863846
Cuprite  (*)Not in a structural groupCu2O11638862970
Daubréelite  (*)SpinelFeCr2S41163853157
Gold  (*)CopperAu55163876,163877,163878,163882,163888,163892,163893,163896,163897,163898,163899,163900,163902,163904,163905,163906,163908,163909,163910,163911,163912,163913,163915,163916,163918,163919,163920,163921,163922,163923,163924,163925,163926,163927,163928,163929,163930,163931,163932,163933,163934,163935,163936,163937,163938,163939,163940,163942,163943,163944,163945,163948,163949,163951,16395530554
Graphite  (*)NoneC11638532812
Haxonite  (*)Haxonite(Fe,Ni)23C6116385326
Hematite  (*)CorundumFe2O32163894,16394014640
Ice  (*)Amorphous TridymiteH2O116382659
Iron  (*)IronFe11638531089
Magnetite  (*)SpinelFe2+Fe3+2O4116385114899
Malachite  (*)MalachiteCu2(CO3)(OH)22163886,16396112537
Metacinnabar  (*)SphaleriteHgS1163851255
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2116396117380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O23.80.02901236
Niter  (*)NoneK(NO3)1163850181
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O2163802,163894471
Pyrite  (*)PyriteFeS24163904,163912,163919,16396139462
Quartz  (*)QuartzSiO257163851,163854,163876,163877,163878,163892,163893,163894,163896,163897,163898,163899,163900,163902,163904,163905,163906,163908,163909,163910,163911,163912,163913,163915,163916,163918,163919,163920,163921,163922,163923,163924,163925,163926,163927,163928,163929,163930,163931,163932,163933,163934,163935,163936,163937,163938,163939,163940,163942,163943,163944,163945,163948,163949,163951,163955,16396161156
Schreibersite  (*)None(Fe,Ni)3P1163853374
Silver  (*)CopperAg11639325186
Taenite  (*)None(Ni,Fe)1163853703
Talc  (*)Clay TalcMg3Si4O10(OH)211639123337
Troilite  (*)NoneFeS11638531044


12 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-5023611.9811.8211.9±0.08   50236    297358Unnamed Stone Deposit [4], Alturas, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-529130.5490.0290.29+0.259/-0.261   52913    82916Great Northern Railroad Deposit, East Sand Butte, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-225972.041.962±0.04  whole rock22597    234443Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-29680825±3   29680    234443Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-296812.041.962±0.04  whole rock29681    234443Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-530680.5490.0290.29+0.259/-0.261   53068    82865Boorman Pumice Products Company Mine, Tionesta, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-531610.5490.0290.041+0.508/-0.012   53161    82865Boorman Pumice Products Company Mine, Tionesta, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-531230.5490.0290.29+0.259/-0.261   53123    82950Raino Claim, Tionesta, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-529000.5490.0290.29+0.259/-0.261   52900    82980Volcolite Association Placer Claims, Tionesta, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-531700.5490.0290.29+0.259/-0.261   53170    234439Twin Sister, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-529460.5490.0290.29+0.259/-0.261   52946    82890Unnamed Cinder Pit [1], Twin Sister, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-2953623.85.314.55±9.25   29536    234460Sugar Hill, Warner Mts, Modoc Co., California, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL

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