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:
Twin Creeks Mine, Potosi District, Humboldt Co., Nevada, USA


mindat Locality ID: 282948
mindat URL: http://www.mindat.org/loc-282948.html

Tectonic Settings:

Total number of sublocalities beneath "Twin Creeks Mine, Potosi District, Humboldt Co., Nevada, USA": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Cut 20
Cut 62
South Mega Pit
Vista Pit

Latitude: 41°13'14"N
Longitude: 117°9'59"W
Decimal Degree (lat, lon): 41.220555555556,-117.16638888889
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 Ba Ca Cs Cu F Fe H Hg Mg O P Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteApatiteArseniosideriteBaryteCalcioferriteCeriteFairfielditeGalkhaiteMarcasiteNone
OrpimentQuartzStibniteTetrahedrite

12 IMA Minerals at location:
Baryte  (*)Beudantite  (*)Fluorapatite  (*)Gaitite  (*)Galkhaite  (*)
Marcasite  (*)Mitridatite  (*)Montgomeryite  (*)Orpiment  (*)Quartz  (*)
Stibnite  (*)Whitlockite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)123746211547
Beudantite  (*)AlunitePbFe3+3(AsO4)(SO4)(OH)61237465413
Fluorapatite  (*)ApatiteCa5(PO4)3F12374652740
Gaitite  (*)FairfielditeCa2Zn(AsO4)2·2H2O12374657
Galkhaite  (*)Galkhaite Tetrahedrite(Hg5Cu)CsAs4S12123746413
Marcasite  (*)MarcasiteFeS212374645674
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O1237465129
Montgomeryite  (*)CalcioferriteCa4MgAl4(PO4)6(OH)4·12H2O123746544
Orpiment  (*)OrpimentAs2S31237462511
Quartz  (*)QuartzSiO2123746461156
Stibnite  (*)StibniteSb2S312374643418
Whitlockite  (*)CeriteCa9Mg(PO3OH)(PO4)61237465104


No ages have been assigned to this locality yet.
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