Montana · Lewis and Clark County
Past Producer
Empire Mine
Lewis and Clark County, Montana, United States
Lead
Silver
Gold
Copper
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USGS source ↗
Commodities
Primary
Lead, Silver, Gold
Secondary
Copper
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Orebody form
PINCH AND SWELL
Ore control
Shear Zone Within Metamorphosed Empire Shale
Materials
Ore minerals
Chrysocolla, Gold, Malachite
Gangue
Quartz
Geology
Host rock
Shale · Empire Shale
Associated rock
Diorite · Marysville Stock
Structure
Boulder Batholith, Pinching And Swelling Of Vein As If By A Fold Or Fault, Area Marked By The Coon Gulch Marysville Stock Marysville Stock
Economic & production
Development status
Past Producer
Identification
Deposit ID
10078283
MRDS ID
W026540
Region
NA
Data score
B
Coordinates
46.75573, -112.34867
References
USGS BULL 527, P. 75.USGS BULL 842, P. 71, PL. 5.MBMG BULL 82, P. 13.MBMG MEM 20, P. 55.