Montana · Lewis and Clark County
Past Producer
Scratchgravel District
Lewis and Clark County, Montana, United States
Silver
Gold
Lead
Copper
Zinc
Iron
Arsenic
Vanadium
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USGS source ↗
Commodities
Primary
Silver, Gold, Lead
Secondary
Copper, Zinc, Iron
Tertiary
Arsenic, Vanadium
Commodity type
M
Deposit
Deposit type
VEIN, SHEAR ZONE, CONTACT METASOMATIC, PLACER
Deposit size
M
Geology
Structure
SCRATCHGRAVEL QUARTZ MONZONITE STOCK, BOULDER BATHOLITH
Economic & production
Development status
Past Producer
Discovery year
1864
Identification
Deposit ID
60000361
MRDS ID
D009570
Alternate names
Scratchgravel Hills, Grass Valley
Region
NA
Data score
D
Coordinates
46.6666, -112.08418
References
USGS BULL 842, P. 35-41.USGS PP 610, P. 158.USGS-USBM MINERAL YEARBOOKS.