Montana · Granite County
Past Producer
Coyle Mine
Granite County, Montana, United States
Manganese
Silver
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USGS source ↗
Commodities
Primary
Manganese, Silver
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Orebody form
FLATTENED PIPE, PODLIKE
Materials
Ore minerals
Manganite, Psilomelane, Silver
Gangue
Quartz
Geology
Host rock
Limestone · Hasmark Formation;Silver Hill Formation
Structure
Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust
Economic & production
Development status
Past Producer
Discovery year
1876
Identification
Deposit ID
10019406
MRDS ID
DC09954
Alternate names
John Coyle and Torrit Claims
Region
NA
Data score
B
Coordinates
46.32683, -113.26592
References
USGS BULL 725, P. 16D-61.USGS BULL 1237, P. 31-57.USGS BULL 922-G, P. 204.USGS BULL 725, P. 161-62.