Oregon · Baker County
Producer
Mammoth
Baker County, Oregon, United States
Gold
Silver
Arsenic
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USGS source ↗
Commodities
Primary
Gold, Silver
Tertiary
Arsenic
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
Y
Ore control
Shear Zone Along Contact Between Granodiorite And Argillite.
Materials
Ore minerals
Pyrite
Gangue
Calcite, Quartz, Roscoelite
Geology
Host rock
Argillite · Elkhorn Ridge Argillite
Associated rock
Diorite · Bald Mountain Batholith
Economic & production
Development status
Producer
Identification
Deposit ID
10109332
MRDS ID
M014070
Region
NA
Data score
B
Coordinates
44.82235, -118.25966
References
BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 76OREGON METAL MINES HANDBOOK; 1939, ODGMI BULL. 14-A, P.34.