Montana · Lewis and Clark County
Past Producer
Earthquake Mine
Lewis and Clark County, Montana, United States
Silver
Lead
Copper
Zinc
Fluorine-Fluorite
⌖ Show on map
USGS source ↗
Commodities
Primary
Silver, Lead
Secondary
Copper, Zinc
Tertiary
Fluorine-Fluorite
Commodity type
B
Deposit
Deposit size
S
Workings
Surface/Underground
Ore control
Brecciated Zone
Materials
Ore minerals
Calamine, Chalcopyrite, Chrysocolla, Galena, Malachite
Gangue
Fluorite, Quartz
Geology
Host rock
Shale · Belt Series (Empire)
Structure
Boulder Batholith, Marysville Stock
Alteration
Oxidized
Economic & production
Development status
Past Producer
Identification
Deposit ID
10098029
MRDS ID
DB02171
Region
NA
Data score
B
Coordinates
46.73796, -112.37006
References
USGS BULL 842, P. 63, 75-6, PL. 5USGS BULL 842, P. 63.