Mine detail: Breckenridge Creek

Previously called 'Sumas MountainStein'

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Location

Lat / long:

48.92703, -122.21626

Resource(M)

Primary:	Chromium
Ore:	Chromite
Gangue:	Antigorite, Chrysotile, Magnetite, Serpentine
Orebody form:	BANDS, LENTICULAR BODIES, DISSEMINATED
Discovery year:	1930

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Sumas Mountain Serpentine
Host type:	Peridotite
Structure:	One Joint Set Parallels Chromite Bands, Other Set Includes Offsetting Cross Faults
Tectonic:	Accreted Terrane

References

MRDS	M700016
DEP	10047742
Reference	{Deposit:: MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 69-71.}{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 42.}{Deposit:: 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.}
Reporter	Caress, Mary E. (Evarts, Russ), Peterson, Jocelyn A.