Montana · Lewis and Clark County
Past Producer
Jay Gould Mine
Lewis and Clark County, Montana, United States
Silver
Gold
Copper
Iron
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USGS source ↗
Commodities
Primary
Silver, Gold
Secondary
Copper, Iron
Commodity type
M
Deposit
Deposit type
Polymetallic veins
Model
{85: Polymetallic veins}
Deposit size
S
Workings
Underground
Ore control
"Mineralization Seems Related To Intrusion Of Granite Peak Stock"
Materials
Ore minerals
Argentite, Chalcopyrite, Electrum, Gold, Malachite
Gangue
Calcite, Quartz
Geology
Host rock
Shale,Argillite · Empire Formation;Spokane Formation
Associated rock
Granite · Granite Peak Stock
Structure
"Boulder Batholith", "Granite Peak Stock"
Tectonic setting
"Cordilleran Miogeosyncline"
Alteration
"Sericitization"
Economic & production
Development status
Past Producer
Discovery year
1884
Identification
Deposit ID
10071377
MRDS ID
W014721
Alternate names
Stemple Mine
Region
NA
Data score
B
Coordinates
46.87972, -112.45194
References
{Deposit:: USGS BULL 842, P. 80-4.}{Deposit:: MBMG BULL 100, P. 14.}{Production:: PARDEE & SCHRADER, 1933, U.S.G.S. BULL. 842.; MBMG MEM 20, USBM MINERALS YEARBOOKS}