Commodities
PrimaryManganese
TertiaryMercury
Commodity typeM
Deposit
Model100: Volcanogenic Mn, Olympic Peninsula
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENS
Ore controlDeposit Lies At The Basalt-Limestone Contact
Materials
Ore mineralsBementite, Cinnabar, Hausmannite, Mercury, Rhodochrosite
GangueChalcedony
Geology
Host rockLimestone · Crescent Formation;Crescent Formation
Associated rockVolcanic Breccia (Agglomerate) · Crescent Formation;Crescent Formation
Tectonic settingAccreted Terrane
Economic & production
Development statusPast Producer
First production1942
Last production1955
Identification
Deposit ID10040191
MRDS IDM054880
Alternate namesBeaver Creek, Beaver Falls, Olympic Mine
RegionNA
Data scoreB
Coordinates48.09728, -124.24436
References
U.S. BUREAU OF MINES, 1965, MERCURY IN WASHINGTON, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 364.MAGILL, E.A., 1960, MANGANESE DEPOSITS OF THE OLYMPIC PENNINSULA, WASH.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5530, P. 9-13.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 257.GREEN, S.H., 1945, MANGANESE DEPOSITS OF THE OLYMPIC PENINSULA, WASHINGTON: WASHINGTON DIVISION OF MINES AND MINING REPORT OF INVESTIGATIONS 7, 45 P.MAGILL (1960)