Commodities
PrimaryManganese
Commodity typeM
Deposit
Model100: Volcanogenic Mn, Olympic Peninsula
Deposit sizeS
WorkingsSurface
Orebody formLENS
Materials
Ore mineralsBementite, Manganite, Psilomelane
Geology
Host rockArgillite · Crescent Formation;Crescent Formation
StructureMinor Faults And Fracturing In The Greenstone
Tectonic settingActive Margin (Leading Edge Of North American Plate)
Economic & production
Development statusPast Producer
Identification
Deposit ID10047933
MRDS IDM700292
Alternate namesCook Creek No. 26 Mine
RegionNA
Data scoreB
Coordinates47.38562, -123.85127
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETN 37, V. 1, P. 258.MAGILL, E.A., 1960, MANGANESE DEPOSITS OF TEH OLYMPIC PENINSULA, WASH.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5530, P. 69-70.GREEN, S.H., 1945, MANGANESE DEPOSITS OF THE OLYMPIC PENINSULA, WASHINGTON: WASHINGTON DIVISION OF MINES AND MINING REPORT OF INVESTIGATIONS 7, P. 43.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. 102.WASH. DMG BULL 37, P. 258