Washington · Okanogan County
Producer
Little Chief Group
Okanogan County, Washington, United States
Silver
Gold
Copper
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USGS source ↗
Commodities
Primary
Silver, Gold
Secondary
Copper
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Workings
Underground
Ore control
Fracture In Granite
Materials
Ore minerals
Argentite, Chalcopyrite, Pyrargyrite, Pyrite, Stephanite
Gangue
Calcite, Quartz, Sericite
Geology
Host rock
Granite
Associated rock
Granite · Colville
Structure
To A Moderate Degree The Lode Is The Lode Is Sheared And Fractured By Post-Mineral Movement.
Alteration
Granite Is Sericitized
Economic & production
Development status
Producer
Identification
Deposit ID
10109638
MRDS ID
M056625
Alternate names
Double Header, Grand Coulee
Region
NA
Data score
B
Coordinates
48.14845, -119.01225
References
WASH. DMG BULL. 37, PART II, P. 306.USGS BULL. 677, P. 74, PLATE 1WASH. DMG IC 46, P. 20WASH. DMG BULL 37, P. 306; USGS BULL 677, P. 74