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


mindat Locality ID: 31532
mindat URL: http://www.mindat.org/loc-31532.html

Tectonic Settings:

Total number of sublocalities beneath "Atlantic City, South Pass-Atlantic City Mining District, Fremont Co., Wyoming, USA": 9
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Atlantic City Mine
Caribou Mine
Caroline Mine
Ground Hog Mine
Mary Ellen Mine
Rose Mine
Snowbird Mine
St Louis Mines
Tabor Grand Mine

Latitude: 42°29'54"N
Longitude: 108°44'9"W
Decimal Degree (lat, lon): 42.498333333333,-108.73583333333
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 Au C Ca Cu Fe H Mg Na O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleAndalusiteBerylCalciteChalcopyriteChloriteClayCopperCorundumNone
PyriteQuartzSerpentineSpinelTalc

17 IMA Minerals at location:
Actinolite  (*)Andalusite  (*)Calcite  (*)Chalcopyrite  (*)Chamosite  (*)
Chrysotile  (*)Cordierite  (*)Gold  (*)Grunerite  (*)Hematite  (*)
Magnesio-riebeckite  (*)Magnetite  (*)Pyrite  (*)Quartz  (*)Riebeckite  (*)
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)212921313419
Andalusite  (*)AndalusiteAl2SiO512921361310
Calcite  (*)CalciteCa(CO3)2292131,29213727770
Chalcopyrite  (*)ChalcopyriteCuFeS22292131,29213727198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)81292131577
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)41292131951
Cordierite  (*)BerylMg2Al4Si5O1812921361008
Gold  (*)CopperAu8292132,292133,292134,292135,292136,292137,292138,29213930554
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)21292131223
Hematite  (*)CorundumFe2O3129213114640
Magnesio-riebeckite  (*)Amphibole   Na2(Mg3Fe3+2)Si8O22(OH)2129213193
Magnetite  (*)SpinelFe2+Fe3+2O4129213114899
Pyrite  (*)PyriteFeS22292131,29213739462
Quartz  (*)QuartzSiO24292131,292134,292135,29213761156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)21292131375
Talc  (*)Clay TalcMg3Si4O10(OH)212921313337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)212921312562


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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