Montana · Granite County
Past Producer
Hannah Mine
Granite County, Montana, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold, Silver
Commodity type
M
Deposit
Deposit type
Replacement Vein
Deposit size
S
Workings
Underground
Orebody form
LENS
Ore control
4 Fissure Veins
Materials
Ore minerals
Gold
Gangue
Calcite, Limonite, Magnetite, Pyrite, Quartz, Specularite
Geology
Host rock
Limestone · Hasmark Formation
Structure
Cable Stock
Tectonic setting
Cordilleran Miogeosyncline
Economic & production
Development status
Past Producer
First production
1890
Discovery year
1880
Identification
Deposit ID
10069778
MRDS ID
W007460
Region
NA
Data score
B
Coordinates
46.27989, -113.17924
References
MBMG BULL 84, P. 40-42.USGS PP 78, P. 239.1906 GEOLMAP EMMONS AND CALKINS1966 GEOLMAP MBMG F. N. EARLLUSGS PP 78; MBMG BULL 84.