Montana · Granite County
Past Producer
Blackmail Mine
Granite County, Montana, United States
Silver
Zinc
Lead
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USGS source ↗
Commodities
Primary
Silver
Secondary
Zinc, Lead
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Orebody form
TABULAR
Materials
Ore minerals
Galena, Sphalerite
Gangue
Quartz, Rhodochrosite
Geology
Host rock
Quartzite,Marble,Limestone · Red Lion Formation;Hasmark Formation
Structure
Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust
Alteration
Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019411
MRDS ID
DC09964
Region
NA
Data score
B
Coordinates
46.33128, -113.26814
References
USGS PP 78, P. 210.USGS BULL 1237, P. 15-30, PLATES.