Commodities
PrimaryManganese
TertiaryIron
Commodity typeM
Deposit
Model100: Volcanogenic Mn, Olympic Peninsula
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENSES
Materials
Ore mineralsBementite, Hausmannite, Hematite, Rhodonite
GangueJasper, Quartz
Geology
Host rockLimestone · Crescent Formation;Crescent Formation
Tectonic settingActive Margin (Leading Edge Of North American Plate)
Economic & production
Development statusPast Producer
Identification
Deposit ID10047891
MRDS IDM700232
RegionNA
Data scoreB
Coordinates48.00785, -123.5021
References
MAGILL, E.A., 1960, MANGANESE DEPOSITS OF THE OLYMPIC PENNINSULA, WASH.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5530, P. 49-50, 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. 25.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 255.HUNTTING, 1956