Montana · Jefferson County
Occurrence
David Copperfield Adit
Jefferson County, Montana, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Gold
Gangue
Pyrite, Quartz
Geology
Host rock
Andesite
Associated rock
Andesite · Elkhorn Mountain Volcanics
Structure
Boulder Batholith
Alteration
Sericitization
Economic & production
Development status
Occurrence
Identification
Deposit ID
10012370
MRDS ID
D007971
Region
NA
Data score
C
Coordinates
46.35823, -112.10088
References
USGS PP 428, P. 78