Oregon · Grant County
Occurrence
Big Four Mine
Grant County, Oregon, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold, Silver
Commodity type
M
Deposit
Deposit size
N
Materials
Gangue
Quartz
Geology
Host rock
Argillite · Elkhorn Ridge Argillite
Associated rock
Diorite · Ten Cent Creek Stock
Tectonic setting
Accreted Oceanic Terrane
Economic & production
Development status
Occurrence
Identification
Deposit ID
10033396
MRDS ID
M015735
Region
NA
Data score
C
Coordinates
44.87068, -118.43911
References
BROOKS, H.C. AND OTHERS, 1982, MAP OF THE GEOLOGY AND MINERAL DEPOSITS OF THE GRANITE QUADRANGLE, GRANT COUNTY, OREGON; ODGMI MAP IN PREPARATION