Commodities
PrimaryChromium
TertiaryPlatinum
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeN
Orebody formUNKNOWN, POSSIBLY MASSIVE AND DISSEMINATED
Ore controlMagmatic Segregation
Geology
Host rockDunite
Associated rockPeridotite · Fidalgo Complex
StructureSan Juan Thrust System
Tectonic settingAccreted Terrane
AlterationDunite Is Serpentinized
Economic & production
Development statusOccurrence
Identification
Deposit ID10048488
MRDS IDMP00077
RegionNA
Data scoreB
Coordinates48.5023, -122.62487
References
DAY AND RICHARDS, 1906HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 39, 281.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. 333.DAY, D.T., AND RICHARDS, R.H., 1906, USEFUL MINERALS IN THE BLACK SANDS OF THE PACIFIC SLOPE: U.S. GEOLOGICAL SURVEY MINERAL RESOURCES OF THE UNITED STATES, CALENDAR YEAR 1905, P. 1218-1219.