Montana · Jefferson County
Past Producer
Surprise Mine
Jefferson County, Montana, United States
Gold
Silver
Lead
Copper
Zinc
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USGS source ↗
Commodities
Primary
Gold, Silver, Lead, Copper, Zinc
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Workings
Underground
Ore control
Fissure Zone
Materials
Ore minerals
Galena
Gangue
Pyrite
Geology
Host rock
Shale · Greyson Shale
Structure
West Bull Mtn. Block, Nw To Ne Trending Folds And Faults
Tectonic setting
Laramide Fold-Thrust Belt.
Economic & production
Development status
Past Producer
First production
1930
Identification
Deposit ID
10019656
MRDS ID
DC11064
Alternate names
Olson's Surprise
Region
NA
Data score
B
Coordinates
45.91879, -112.03448
References
MBMG BULL 16.ALEXANDER, R.G., 1955, GEOLOGY OF THE WHITEHALL AREA, MONTANA YELLOWSTONE-BIGHORN RESEARCH PROJECT, CONTRIBUTION 195, 111 P.CONSV. DIV. COMP. DATE, 12-21-19611960 RECON MBMG BULLETIN 1MBMG BULLETIN 16.