Washington · Grays Harbor County
Past Producer
Black Wonder Claim
Grays Harbor County, Washington, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit type
Replacement
Deposit size
S
Workings
Surface/Underground
Orebody form
LENS
Materials
Ore minerals
Bementite, Pyrolusite
Geology
Tectonic setting
Active Margin (Leading Edge Of North American Plate)
Economic & production
Development status
Past Producer
Last production
1936
Identification
Deposit ID
10047929
MRDS ID
M700286
Region
NA
Data score
C
Coordinates
47.37312, -123.87766
References
WASH. DMG BULL 37, P. 257