Commodities
PrimaryGold, Platinum, PGE
Commodity typeM
Deposit
Deposit sizeN
Ore controlHeavy-Mineral Concentration By Stream Action. The Metal-Bearing Part Of The Deposit Is A Thin Layer Of Fine Heavy-Mineral Sand Composed Chiefly Of Pink Garnet And Grains Of Ilmenite And Magnetite. Minor Amounts Of Chromite And Some Very Small, Clear Crystals Of Zircon Are Also Present (Data From U.S.G.S. Mrds, 1990).
Materials
Ore mineralsGold, Platinum
GangueSand
Geology
Host rockSand and Gravel
Tectonic settingUplifted Beach Terraces
Economic & production
Development statusOccurrence
Identification
Deposit ID10055856
MRDS IDSP00056
RegionNA
Data scoreC
Coordinates47.98867, -124.6727
References
WDGER OFR 90-18HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.MERTIE, J.B., JR., 1969, ECONOMIC GEOLOGY OF THE PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, 120 P., 1 PL.PARDEE, J.T., 1929, PLATINUM AND BLACK SAND IN WASHINGTON, IN CONTRIBUTIONS TO ECONOMIC GEOLOGY (SHORT PAPERS AND PRELIMINARY REPORTS) 1928; PART I--METALS AND NONMETALS EXCEPT FUELS: U.S. GEOLOGICAL SURVEY BULLETIN 805, P. 1-15).