Mine detail: Ready Cash Claim

Previously called 'Cypress Island'

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Location

Lat / long: 48.58202, -122.72265

Resource(M)

Primary: Chromium
Tertiary: Platinum
Ore: Chromite
Gangue: Serpentine
Orebody form: VEINLETS AND POCKETS, DISSEMINATED

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1917
Last production ended: 1918

Geology

Host type:Dunite
Associated rock:Fidalgo Complex
Associated type:Peridotite
Structure:San Juan Thrust
Tectonic:Accreted Terrane
Alteration processes:Dunite Has Been Serpentinized

References

MRDSM700343
DEP10047970
Reference{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 39.}{Deposit:: PARDEE, J.T., 1929, PLATINUM AND BLACK SAND IN WASHINGTON, IN CONTRIBUTIONS TO ECONOMIC GEOLOGY 1928: U.S. GEOLOGICAL SURVEY BULLETIN 805, P. 9-10.}{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. 333.}{Production:: HUNTTING, 1956}
ReporterLawson, William A. (Evarts, Russell C.), Peterson, Jocelyn A.