Montana · Lewis and Clark County
Past Producer
Franklin Mine
Lewis and Clark County, Montana, United States
Silver
Gold
Copper
Lead
Silica
Zinc
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USGS source ↗
Commodities
Primary
Silver, Gold
Secondary
Copper, Lead, Silica, Zinc
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Ore control
Along Contact Between Granite And Hornstone, Along Fault Zone
Materials
Ore minerals
Galena, Gold
Gangue
Iron, Pyrite
Other materials
Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Scratchgravel Quartz Monzonite Stock
Structure
2 Vertical Faults With Easterly Trend
Alteration
Sericitization, Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10015891
MRDS ID
DB02169
Alternate names
Sam Gaty, Doctor Steele
Region
NA
Data score
B
Coordinates
46.63879, -112.07338
References
USGS BULL 842, P. 41-3.MBMG BULL 92, P. 13MBMG BULL 33, P. 17.PARDEE AND SCHRADER, 1933, U.S.G.S. BULL 842, P. 41-43