Mine detail: Black Bear No. 1 & 2

Previously called 'Black Bear Chrome'

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Location

Lat / long: 42.01676, -123.81144

Resource(M)

Primary: Chromium
Secondary: Rhodium
Tertiary: Platinum, Palladium, Ruthenium, Iridium
Ore: Chromite
Gangue: Olivine
Orebody form: DISSEMINATED

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

Host rock:Josephine Ophiolite;Josephine Ophiolite
Host type:Dunite
Tectonic:Klamath Mountains Accreted Terrane

References

MRDSM061643
DEP10043135
Reference{Deposit:: RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 157.}{Deposit:: PAGE, N.J, JOHNSON, M.G., HAFFTY, JOSEPH, AND RAMP, LEN, 1975, OCCURRENCE OF PLATINUM GROUP METALS IN ULTRAMAFIC ROCKS OF THE MEDFORD-COOS BAY 2 DEGREE QUADRANGLES, SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-694, SCALE 1:250,000.}{Deposit:: RAMP, LEN, AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 100, TABLE 1.}{Deposit:: CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.}
ReporterFerns, Mark L. (Brooks, Howard C.), Peterson, Jocelyn A., Johnson, Maureen G.