Stillwater Complex Chromite deposit (Benbow Mine; Gish Mine; Mouat Mine), Stillwater Co., Montana, USAi
Regional Level Types | |
---|---|
Stillwater Complex Chromite deposit (Benbow Mine; Gish Mine; Mouat Mine) | Deposit |
Stillwater Co. | County |
Montana | State |
USA | Country |
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Latitude & Longitude (WGS84):
45° 23' 10'' North , 109° 54' 11'' West
Latitude & Longitude (decimal):
Locality type:
KΓΆppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Absarokee | 1,150 (2011) | 38.9km |
Greycliff | 112 (2011) | 42.9km |
Reed Point | 193 (2011) | 45.6km |
Big Timber | 1,648 (2017) | 50.0km |
A former Cr occurrence/mine located in sec. 20, T5S, R15E.
Deposit is chromite layers hosted in harzburgite rock.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
β 'Chabazite' Reference: Rick Dalrymple Collection |
β Chromite Formula: Fe2+Cr3+2O4 Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
β Enstatite Formula: Mg2Si2O6 Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
β Enstatite var. Bronzite Formula: (Mg,Fe2+)2[SiO3]2 Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
β 'Fayalite-Forsterite Series' Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
β Hercynite Formula: Fe2+Al2O4 Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
β Hercynite var. Picotite Formula: (Fe,Mg)(Al,Cr)2O4 Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
β Pentlandite Formula: (NixFey)Ξ£9S8 Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
β Pyrrhotite Formula: Fe1-xS Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240. |
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
β | Pentlandite | 2.BB.15 | (NixFey)Ξ£9S8 |
β | Pyrrhotite | 2.CC.10 | Fe1-xS |
Group 4 - Oxides and Hydroxides | |||
β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
β | Hercynite | 4.BB.05 | Fe2+Al2O4 |
β | var. Picotite | 4.BB.05 | (Fe,Mg)(Al,Cr)2O4 |
Group 9 - Silicates | |||
β | Enstatite | 9.DA.05 | Mg2Si2O6 |
β | var. Bronzite | 9.DA.05 | (Mg,Fe2+)2[SiO3]2 |
Unclassified Minerals, Rocks, etc. | |||
β | 'Chabazite' | - | |
β | 'Fayalite-Forsterite Series' | - |
List of minerals for each chemical element
O | Oxygen | |
---|---|---|
O | β Chromite | Fe2+Cr23+O4 |
O | β Enstatite | Mg2Si2O6 |
O | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
O | β Hercynite | Fe2+Al2O4 |
O | β Hercynite var. Picotite | (Fe,Mg)(Al,Cr)2O4 |
Mg | Magnesium | |
Mg | β Enstatite | Mg2Si2O6 |
Mg | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
Mg | β Hercynite var. Picotite | (Fe,Mg)(Al,Cr)2O4 |
Al | Aluminium | |
Al | β Hercynite | Fe2+Al2O4 |
Al | β Hercynite var. Picotite | (Fe,Mg)(Al,Cr)2O4 |
Si | Silicon | |
Si | β Enstatite | Mg2Si2O6 |
Si | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
S | Sulfur | |
S | β Pentlandite | (NixFey)Ξ£9S8 |
S | β Pyrrhotite | Fe1-xS |
Cr | Chromium | |
Cr | β Chromite | Fe2+Cr23+O4 |
Cr | β Hercynite var. Picotite | (Fe,Mg)(Al,Cr)2O4 |
Fe | Iron | |
Fe | β Chromite | Fe2+Cr23+O4 |
Fe | β Enstatite var. Bronzite | (Mg,Fe2+)2[SiO3]2 |
Fe | β Hercynite | Fe2+Al2O4 |
Fe | β Hercynite var. Picotite | (Fe,Mg)(Al,Cr)2O4 |
Fe | β Pentlandite | (NixFey)Ξ£9S8 |
Fe | β Pyrrhotite | Fe1-xS |
Ni | Nickel | |
Ni | β Pentlandite | (NixFey)Ξ£9S8 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)ALLSMAN, P. T., AND NEWMAN, E. W. (1944), Exploration On The Stillwater Chromite Deposits, Stillwater And Sweetgrass Counties, Montana", AIME
PRICE, P. M. (1963), MINING METHODS & COSTS MOUAT MINE, AMERICAN CHROME CO., STILLWATER COUNTY, MONTANA: U.S. BUREAU OF MINES, IC 8204, 58 P.
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals: 87(3): 208-240.
Other Databases
Link to USGS MRDS: | 10124787 |
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Other Regions, Features and Areas containing this locality
North America
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Wyoming DomainDomain
USA
- Absaroka RangeMountain Range
- Montana
- Stillwater ComplexComplex
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Stillwater Complex Chromite deposit, Stillwater Co., Montana, USA