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:
Rand Mts, Kern Co., California, USA


mindat Locality ID: 210948
mindat URL: http://www.mindat.org/loc-210948.html

Tectonic Settings:

Total number of sublocalities beneath "Rand Mts, Kern Co., California, USA": 164
Total number of bottom-level sublocalities: 155

Number of Child Localities: 1
Child Localities:
Rand District (Randsburg District)

Latitude: 35°21'3"N
Longitude: 117°40'10"W
Decimal Degree (lat, lon): 35.350833333333,-117.66944444444

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 C Ca Cl Cu Fe H K Mg Mn Na O Pb S Sb Si V W Zn 

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

Structural Groups for minerals in this locality: 
AllophaneAmorphousAmphiboleApatiteAragoniteArsenopyriteCalciteChalcopyriteClayCopper
EpidoteFeldsparGarnetLöllingiteMicaNoneOlivinePyriteQuartzRhodonite
RocksaltScheeliteSphaleriteStibniteStilpnomelaneTalcTetrahedriteXanthoconite

38 IMA Minerals at location:
Actinolite  (*)Albite  (*)Anthophyllite  (*)Aragonite  (*)Arsenopyrite  (*)
Calcite  (*)Chalcopyrite  (*)Chlorargyrite  (*)Chrysocolla  (*)Clino-suenoite  (*)
Galena  (*)Gold  (*)Löllingite  (*)Miargyrite  (*)Mimetite  (*)
Muscovite  (*)Opal  (*)Proustite  (*)Pyrargyrite  (*)Pyrite  (*)
Pyrostilpnite  (*)Pyroxmangite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)
Scheelite  (*)Silver  (*)Spessartine  (*)Sphalerite  (*)Stephanite  (*)
Stibnite  (*)Stilpnomelane  (*)Talc  (*)Tephroite  (*)Tetrahedrite-(Zn)  (*)
Vanadinite  (*)Xanthoconite  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)203419
Albite  (*)FeldsparNa(AlSi3O8)2160138,1601538803
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)21160126718
Aragonite  (*)AragoniteCa(CO3)11602203250
Arsenopyrite  (*)ArsenopyriteFeAsS2160192,1602189052
Calcite  (*)CalciteCa(CO3)4160174,160204,160207,16022727770
Chalcopyrite  (*)ChalcopyriteCuFeS2116021827198
Chlorargyrite  (*)RocksaltAgCl11602271382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11602203531
Clino-suenoite  (*)Amphibole   Mn2+2Mg5Si8O22(OH)2216012657
Galena  (*)RocksaltPbS2160207,16022024243
Gold  (*)CopperAu30160125,160138,160139,160142,160144,160146,160148,160152,160153,160159,160167,160170,160171,160172,160180,160182,160189,160192,160193,160195,160207,160219,160223,160224,160227,160228,160234,160251,160253,16025530554
Löllingite  (*)LöllingiteFeAs21160121762
Miargyrite  (*)NoneAgSbS26160163,160168,160207,160218,160220,160227300
Mimetite  (*)ApatitePb5(AsO4)3Cl11602201107
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2116015817380
Opal  (*)AmorphousSiO2·nH2O11602102994
Proustite  (*)NoneAg3AsS31160121733
Pyrargyrite  (*)NoneAg3SbS34160163,160207,160218,1602271425
Pyrite  (*)PyriteFeS25160168,160170,160174,160192,16020739462
Pyrostilpnite  (*)XanthoconiteAg3SbS32160207,16022084
Pyroxmangite  (*)NoneMn2+SiO31160126147
Quartz  (*)QuartzSiO215160127,160138,160151,160168,160170,160174,160182,160192,160206,160207,160218,160227,160244,160247,16025561156
Rhodochrosite  (*)CalciteMn(CO3)11602471711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)5160126,160131,160247,160248,160284969
Scheelite  (*)ScheeliteCa(WO4)16160124,160127,160136,160151,160170,160182,160183,160189,160202,160205,160206,160207,160216,160244,160246,1602554894
Silver  (*)CopperAg11602075186
Spessartine  (*)GarnetMn2+3Al2(SiO4)33160131,160247,1602481214
Sphalerite  (*)SphaleriteZnS116021821482
Stephanite  (*)NoneAg5SbS41160227586
Stibnite  (*)StibniteSb2S32160207,1602273418
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1160126456
Talc  (*)Clay TalcMg3Si4O10(OH)24160242,160249,160250,1602543337
Tephroite  (*)OlivineMn2+2(SiO4)2160126,160247240
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S133160163,160218,1602205317
Vanadinite  (*)ApatitePb5(VO4)3Cl1160220605
Xanthoconite  (*)XanthoconiteAg3AsS3116020789
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)11602331025



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...