Washington · Okanogan County
Past Producer
Fourth of July Mine
Okanogan County, Washington, United States
Silver
Gold
Lead
Copper
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USGS source ↗
Description
R. Dilderback
Commodities
Primary
Silver
Secondary
Gold, Lead
Tertiary
Copper
Commodity type
M
Deposit
Deposit size
S
Workings
Unknown
Orebody form
ORE SHOOTS
Ore control
Vein Parallels Granodiorite-Gneiss Contact That Is Sveral Hundred Ft To The West Of The Site.
Materials
Ore minerals
Argentite, Cerargyrite, Galena, Pyrite, Silver, Stephanite
Gangue
Quartz
Geology
Host rock
Gneiss · Salmon Creek
Associated rock
Diorite · Similkameen Batholith
Structure
Small Faults Parallel And Oblique To The Vein
Economic & production
Development status
Past Producer
First production
1889
Last production
1967
Discovery year
1887
Identification
Deposit ID
10041538
MRDS ID
M056618
Region
NA
Data score
B
Coordinates
48.47733, -119.72839
References
WASH. DMG BULL. 37, PART II, P. 303.WASH. DMG IC 48, P. 16WASH. DMG IC 49, P. 8, 13-14USGS BULL 640, P. 32MOEN, 1973