Montana · Granite County
Past Producer
Copper State Mine
Granite County, Montana, United States
Copper
Gold
Silver
⌖ Show on map
USGS source ↗
Commodities
Primary
Copper
Secondary
Gold, Silver
Commodity type
M
Deposit
Deposit size
S
Ore control
Shattered Limestone Impregnated With Iron, Copper Oxides And Carbonates.
Materials
Ore minerals
Copper, Iron
Gangue
Quartz
Geology
Host rock
Limestone · Silver Hill Formation
Structure
Philipsburg Anticline, Philipsburg Batholith
Alteration
Oxidation
Economic & production
Development status
Past Producer
Last production
1906
Identification
Deposit ID
10019278
MRDS ID
DC09370
Alternate names
Hoffman Property
Region
NA
Data score
B
Coordinates
46.49156, -113.25648
References
USGS PP 78, P. 260.MBMG GEOLOGIC MAP OF THE NW FLANK OF THE FLINT CREEK RANGEMBMG BULL 49, P. 13.USGS-USBM MINERAL YEARBOOKS 1927, 1930.USGS PP 78, P. 260. USGS-USBM MINERAL YEARBOOKS 1927, 1930