Description
Elmer Goodwin, John Dahlgreen
Commodities
PrimaryChromium
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
WorkingsSurface/Underground
Orebody formBANDS, LENTICULAR BODIES, DISSEMINATED
Materials
Ore mineralsChromite
GangueAntigorite, Chrysotile, Magnetite, Serpentine
Geology
Host rockPeridotite · Sumas Mountain Serpentine
StructureOne Joint Set Parallels Chromite Bands, Other Set Includes Offsetting Cross Faults
Tectonic settingAccreted Terrane
Economic & production
Development statusPast Producer
Discovery year1930
Identification
Deposit ID10047742
MRDS IDM700016
Alternate namesSumas Mountain, Stein
RegionNA
Data scoreB
Coordinates48.92703, -122.21626
References
MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 69-71.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 42.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. 545.