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:
Mount Thompson, Cataract Mining District (Comet Mining District; Basin Mining District), Jefferson Co., Montana, USA


mindat Locality ID: 251243
mindat URL: http://www.mindat.org/loc-251243.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Thompson, Cataract Mining District (Comet Mining District; Basin Mining District), Jefferson Co., Montana, USA": 15
Total number of bottom-level sublocalities: 15

Number of Child Localities: 15
Child Localities:
Cracker Mine (Mount Thompson)
Freeburg Mine
Gray Eagle Mine (Comet Mine)
Hiawattaha Mine (Hiawatha)
Ida M. Mine
Jumbo Prospect
Marshall-Changes Mines
Morning Glory Mine
Mount Thompson Mine
Red Wing Mine (Red Wing Group)
The Della Lode Occurrence
Unknown Ag Mine
Unnamed U Occurrence
Vera & Marie Mine
Waldy Mine

Latitude: 46°19'6"N
Longitude: 112°13'18"W
Decimal Degree (lat, lon): 46.318333333333,-112.22166666667
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 Cu Fe H K Mo O Pb S Sb Si U Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteClayCopperFluoriteMalachiteMicaMolybdeniteNonePyriteQuartz
RocksaltSphaleriteTetrahedrite

14 IMA Minerals at location:
Ankerite  (*)Chalcopyrite  (*)Galena  (*)Gold  (*)Malachite  (*)
Molybdenite  (*)Muscovite  (*)Proustite  (*)Pyrite  (*)Quartz  (*)
Silver  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)Uraninite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)212292133092
Chalcopyrite  (*)ChalcopyriteCuFeS23229211,229213,22921827198
Galena  (*)RocksaltPbS9229211,229213,229214,229215,229216,229218,229220,229222,22922524243
Gold  (*)CopperAu6229211,229213,229214,229218,229220,22922230554
Malachite  (*)MalachiteCu2(CO3)(OH)2122922212537
Molybdenite  (*)MolybdeniteMoS212292135800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2122922017380
Proustite  (*)NoneAg3AsS31229218733
Pyrite  (*)PyriteFeS27229211,229213,229214,229218,229220,229222,22922539462
Quartz  (*)QuartzSiO29229211,229213,229214,229215,229216,229218,229220,229222,22922561156
Silver  (*)CopperAg3229214,229218,2292225186
Sphalerite  (*)SphaleriteZnS6229213,229214,229218,229220,229222,22922521482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132229213,2292145317
Uraninite  (*)FluoriteUO212292132718


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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