Oregon · Grant County
Occurrence
Rob Roy
Grant County, Oregon, United States
Gold
Silver
Arsenic
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USGS source ↗
Commodities
Primary
Gold
Secondary
Silver
Tertiary
Arsenic
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Pyrite
Gangue
Quartz
Geology
Host rock
Diorite · Elkhorn Ridge Argillite
Associated rock
Diorite · Bald Mountain Batholith
Economic & production
Development status
Occurrence
Identification
Deposit ID
10095165
MRDS ID
M015717
Region
NA
Data score
C
Coordinates
44.86902, -118.29105
References
FERNS, M.L., AND OTHERS, 1982, MAP OF THE GEOLOGY AND MINERAL DEPOSITS OF THE MT. IRELAND QUADRANGLE, BAKER AND GRANT COUNTIES, OREGON; ODGMI MAP IN PREPARATIO