Montana · Powell County
Occurrence
Dewey Prospect
Powell County, Montana, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold, Silver
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Gold
Gangue
Quartz
Geology
Host rock
Diorite
Associated rock
Diorite · Royal Stock
Structure
Royal Stock
Alteration
Sericitization
Economic & production
Development status
Occurrence
Identification
Deposit ID
10013641
MRDS ID
D010049
Region
NA
Data score
D
Coordinates
46.44433, -113.01897
References
USGS DOLUS LAKE RARE II MIS FS MAP, P. 17., FIG. 1