Montana · Granite County
Past Producer
Chicago Mine
Granite County, Montana, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit type
Replacement
Deposit size
S
Orebody form
TABULAR
Geology
Host rock
Limestone · Jefferson Limestone
Associated rock
Diorite · Philipsburg Batholith
Structure
Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019401
MRDS ID
DC09943
Region
NA
Data score
C
Coordinates
46.33933, -113.26536
References
MBMG BULL 10, P. 19.USGS BULL 922-G, PL.USGS BULL 1237, P. 34.