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:
South Pass-Atlantic City Mining District, Fremont Co., Wyoming, USA


mindat Locality ID: 7257
mindat URL: http://www.mindat.org/loc-7257.html

Tectonic Settings:

Total number of sublocalities beneath "South Pass-Atlantic City Mining District, Fremont Co., Wyoming, USA": 55
Total number of bottom-level sublocalities: 51

Number of Child Localities: 28
Child Localities:
Abernathy Claim
Amanda Mine
American Mine
Anderson Mine
Atlantic City
Atlantic City Deposits
Big Nugget Claim
Buckeye State Mine
Copper Chief Gold Mine
Fire King Deposit
Goodhope Mine
Iron Duke Mine
Manchester Mine
Maxwell Claim
May And Jump Claims
Metterling Prospect
Midas Mine
Miners Delight
Pioneer Carissa Gold Mine (Pioneer Carisso Gold Mine)
Red Canyon
Rock Creek
Rock Creek Placers
South Pass City
South Pass Mines
Unknown Fe Prospect [1]
Unknown Zr Occurrence [1]
Unnamed Au-Ag-Cu Mine
Victoria Mine

Latitude: 42°29'48"N
Longitude: 108°39'50"W
Decimal Degree (lat, lon): 42.496666666667,-108.66388888889
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 C Ca Cu Fe H K Mg Mn Na O Pb S Si Sn W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleAndalusiteArsenopyriteBerylCalciteChalcopyriteChloriteClayCopperCorundum
MicaNickelineNoneOrpimentPyriteQuartzRocksaltRutileScheeliteSerpentine
SpinelSulphurTalcTourmaline

30 IMA Minerals at location:
Actinolite  (*)Andalusite  (*)Arsenopyrite  (*)Calcite  (*)Cassiterite  (*)
Chalcopyrite  (*)Chamosite  (*)Chrysotile  (*)Cordierite  (*)Galena  (*)
Gold  (*)Grunerite  (*)Hematite  (*)Magnesio-riebeckite  (*)Magnetite  (*)
Muscovite  (*)Orpiment  (*)Pyrite  (*)Pyrolusite  (*)Pyrrhotite  (*)
Quartz  (*)Realgar  (*)Riebeckite  (*)Scheelite  (*)Schorl  (*)
Scorodite  (*)Silver  (*)Sulphur  (*)Talc  (*)Tremolite  (*)
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)23292131,292167,2921693419
Andalusite  (*)AndalusiteAl2SiO512921361310
Arsenopyrite  (*)ArsenopyriteFeAsS4292145,292153,292167,2921709052
Calcite  (*)CalciteCa(CO3)3292131,292137,29217027770
Cassiterite  (*)RutileSnO212921645171
Chalcopyrite  (*)ChalcopyriteCuFeS24292131,292137,292145,29216427198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)81292131577
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)41292131951
Cordierite  (*)BerylMg2Al4Si5O1812921361008
Galena  (*)RocksaltPbS129214524243
Gold  (*)CopperAu36292128,292129,292132,292133,292134,292135,292136,292137,292138,292139,292140,292141,292142,292145,292147,292151,292153,292154,292155,292156,292157,292158,292159,292162,292164,292166,292167,292168,292169,292170,292171,292172,292173,292174,292175,29218030554
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)21292131223
Hematite  (*)CorundumFe2O32292131,29216714640
Magnesio-riebeckite  (*)Amphibole   Na2(Mg3Fe3+2)Si8O22(OH)2129213193
Magnetite  (*)SpinelFe2+Fe3+2O4129213114899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2129216917380
Orpiment  (*)OrpimentAs2S32292145,292167511
Pyrite  (*)PyriteFeS25292131,292137,292145,292167,29217039462
Pyrolusite  (*)RutileMnO212921533106
Pyrrhotite  (*)NickelineFe7S82292145,2921679056
Quartz  (*)QuartzSiO219292128,292129,292131,292134,292135,292137,292142,292145,292147,292151,292153,292156,292157,292158,292159,292167,292168,292169,29217061156
Realgar  (*)NoneAsS2292145,292167712
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)21292131375
Scheelite  (*)ScheeliteCa(WO4)3292140,292164,2921764894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12921452705
Scorodite  (*)NoneFe3+(AsO4)·2H2O12921671153
Silver  (*)CopperAg3292164,292169,2921705186
Sulphur  (*)SulphurS12921702045
Talc  (*)Clay TalcMg3Si4O10(OH)22292131,2921673337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)22292131,2921672562


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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