Commodities
PrimaryManganese
TertiaryIron
Commodity typeM
Deposit
Model100: Volcanogenic Mn, Olympic Peninsula
Deposit sizeS
Orebody formLENSES, PODS, PINCH AND SWELL
Materials
Ore mineralsBementite, Hematite
GangueJasper
Geology
Host rockLimestone · Crescent Formation;Crescent Formation
StructureBasalt Is Highly Fractured And Cut By Many Minor Faults
Tectonic settingActive Margin (Leading Edge Of North American Plate)
AlterationBasalt Is Spilitized
Economic & production
Development statusPast Producer
Last production1945
Identification
Deposit ID10047953
MRDS IDM700320
Alternate namesKarnes Group
RegionNA
Data scoreB
Coordinates47.73924, -123.01181
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 259.MAGILL, E.A., 1960, MANGANESE DEPOSITS OF THE OLYMPIC PENINSULA, WASH.: U.S. BUREAU OF MINES REPORT OF INVESTIGATINS 5530, P. 55-57, 76.DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 104.DERKEY AND OTHERS, 1990