Commodities
PrimaryChromium
SecondaryRhodium
TertiaryPlatinum, Palladium, Ruthenium, Iridium
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeN
Orebody formDISSEMINATED
Ore controlMagmatic Segregation
Materials
Ore mineralsChromite
GangueOlivine
Geology
Host rockDunite · Josephine Ophiolite;Josephine Ophiolite
Tectonic settingKlamath Mountains Accreted Terrane
Economic & production
Development statusOccurrence
Identification
Deposit ID10043135
MRDS IDM061643
Alternate namesBlack Bear Chrome
RegionNA
Data scoreB
Coordinates42.01676, -123.81144
References
RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 157.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.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.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.