Washington · Grays Harbor County
Occurrence

Pioneer Claim

Grays Harbor County, Washington, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeN
Orebody formLENS
Materials
Ore mineralsBementite
Geology
Tectonic settingActive Margin (Leading Edge Of North American Plate)
Economic & production
Development statusOccurrence
Identification
Deposit ID10047941
MRDS IDM700304
Alternate namesEggegroud
RegionNA
Data scoreC
Coordinates47.37229, -123.87405
References
WASH. DMG BULL 37, P. 258