Montana · Lewis and Clark County
Past Producer
Hopeful Mine
Lewis and Clark County, Montana, United States
Lead
Gold
Copper
Arsenic
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USGS source ↗
Commodities
Primary
Lead, Gold
Secondary
Copper
Tertiary
Arsenic
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Ore control
Brecciated Zone Along Faults
Materials
Ore minerals
Galena, Gold, Lead, Mimetite
Gangue
Ankerite, Pyrite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Scratchgravel Quartz Monzonite Stock
Structure
Faults Trending N 70 W, Dip 45e
Economic & production
Development status
Past Producer
Identification
Deposit ID
10015901
MRDS ID
DB02184
Region
NA
Data score
B
Coordinates
46.66768, -112.06394
References
USGS BULL 842, P. 51-54USGS BULL 842, P. 54