Commodities
PrimaryManganese
TertiaryIron
Commodity typeM
Deposit
Model100: Volcanogenic Mn, Olympic Peninsula
Deposit sizeS
WorkingsSurface/Underground
Orebody formTABULAR, LENS
Ore controlOre Is Near Basalt-Limestone Contact
Materials
Ore mineralsBementite
GangueJasper
Geology
Host rockLimestone · Crescent Formation;Crescent Formation
Tectonic settingActive Margin (Leading Edge Of North American Plate)
Economic & production
Development statusPast Producer
First production1910
Last production1918
Identification
Deposit ID10047918
MRDS IDM700268
Alternate namesBrown Mule, McKean
RegionNA
Data scoreB
Coordinates47.5034, -123.32682
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 261.MAGILL, E.A., 1960, MANGANESE DEPOSITS OF THE OLYMPIC PENINSULA, WASH.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5530, P. 62.PARK, C.F., JR., 1942, MANGANESE RESOURCES OF THE OLYMPIC PENINSULA, WASHINGTON, A PRELIMINARY REPORT: U.S. GEOLOGICAL SURVEY BULLETIN 931-R, P. 454-455.GREEN, S.H., 1945, MANGANESE DEPOSITS OF THE OLYMPIC PENINSULA, WASHINGTON: WASHINGTON DIVISION OF MINES AND MINING REPORT OF INVESTIGATIONS 7, P. 39.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. 160.HUNTTING, 1956