Gray Eagle Mine (Comet Mine), Mount Thompson, Cataract Mining District (Comet Mining District; Basin Mining District), Jefferson County, Montana, USAi
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
46° 18' 48'' North , 112° 11' 56'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Basin | 212 (2011) | 6.8km |
| Boulder | 1,207 (2017) | 10.4km |
| Jefferson City | 472 (2011) | 15.6km |
| Clancy | 1,661 (2011) | 23.5km |
| South Hills | 517 (2017) | 31.1km |
Mindat Locality ID:
161833
Long-form identifier:
mindat:1:2:161833:7
GUID (UUID V4):
18e33a99-bf60-4932-a82d-b659ef6c8b13
A former lode Zn-Ag-Cu-Pb-Au-As-Mo-U-Sb mine located 1.7 km (5,500 feet) SE of Mount Thompson (coordinates of record).
Structure: Comet - Gray Eagle Shear Zone, Roof Pendant Of Elkhorn Mountains Volcanics, Boulder Batholith, South-Trending Syncline In Elkhorn Mountains Volcanics
Host Rock: Mafic Gneiss, Welded Tuff
Tectonic Structure: Cordilleran Miogeosyncline
Production:: MBMG BULL 16, P. 30
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
9 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Sphalerite | 2.CB.05a | ZnS |
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Galena | 2.CD.10 | PbS |
| β | Molybdenite | 2.EA.30 | MoS2 |
| β | Pyrite | 2.EB.05a | FeS2 |
| β | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
| β | Uraninite | 4.DL.05 | UO2 |
| Group 5 - Nitrates and Carbonates | |||
| β | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | Oxygen | |
| O | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | β Quartz | SiO2 |
| O | β Uraninite | UO2 |
| Mg | Magnesium | |
| Mg | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| S | Sulfur | |
| S | β Chalcopyrite | CuFeS2 |
| S | β Galena | PbS |
| S | β Molybdenite | MoS2 |
| S | β Pyrite | FeS2 |
| S | β Sphalerite | ZnS |
| S | β Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Ca | Calcium | |
| Ca | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | Iron | |
| Fe | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | β Chalcopyrite | CuFeS2 |
| Fe | β Pyrite | FeS2 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Cu | β Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
| Mo | Molybdenum | |
| Mo | β Molybdenite | MoS2 |
| Sb | Antimony | |
| Sb | β Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Au | Gold | |
| Au | β Gold | Au |
| Pb | Lead | |
| Pb | β Galena | PbS |
| U | Uranium | |
| U | β Uraninite | UO2 |
Other Databases
| Link to USGS MRDS: | 10071368 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Great Falls DomainDomain
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
References
