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:
Washington Basin District, Custer Co., Idaho, USA


mindat Locality ID: 39492
mindat URL: http://www.mindat.org/loc-39492.html

Tectonic Settings:

Total number of sublocalities beneath "Washington Basin District, Custer Co., Idaho, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Empire Ledge

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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 Ba Bi C Fe H K Mo O Pb S Sb Si V Zn 

Elements from minerals reported directly at this locality: Mo S 

Structural Groups for minerals in this locality: 
AluniteArsenicArsenopyriteBaryteBismutiteMicaMolybdeniteNickelineNonePyrite
QuartzRocksaltSphaleriteStibnite

15 IMA Minerals at location:
Arsenopyrite  (*)Baryte  (*)Bismuth  (*)Bismuthinite  (*)Bismutite  (*)
Galena  (*)Jamesonite  (*)Jarosite  (*)Maldonite  (*)Molybdenite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Roscoelite  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS12075459052
Baryte  (*)BaryteBa(SO4)120754511547
Bismuth  (*)ArsenicBi12075451966
Bismuthinite  (*)StibniteBi2S312075451935
Bismutite  (*)BismutiteBi2O2(CO3)1207545716
Galena  (*)RocksaltPbS120754524243
Jamesonite  (*)NonePb4FeSb6S141207545784
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)612075452228
Maldonite  (*)NoneAu2Bi120754588
Molybdenite  (*)MolybdeniteMoS205800
Pyrite  (*)PyriteFeS2120754539462
Pyrrhotite  (*)NickelineFe7S812075459056
Quartz  (*)QuartzSiO2120754561156
Roscoelite  (*)MicaKV3+2(Si3Al)O10(OH)21207545253
Sphalerite  (*)SphaleriteZnS120754521482



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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