Montana · Granite County
Past Producer
Bernard Mine
Granite County, Montana, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Orebody form
LENTICULAR, POD
Materials
Ore minerals
Pyrolusite
Gangue
Quartz
Geology
Host rock
Limestone · Silver Hill Formation
Structure
Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019410
MRDS ID
DC09963
Region
NA
Data score
C
Coordinates
46.32489, -113.28425
References
USGS BULL 922-G, P. 202.USGS BULL 725, P. 164-65.