Commodities
PrimaryChromium
TertiaryRhodium, Ruthenium, Iridium, Palladium, Platinum
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
Orebody formMASSIVE, DISSEMINATED LENSES
Ore controlMagmatic Segregation. Ore Is In A 3-Ft-Wide Dunite Band
Materials
Ore mineralsChromite
GangueTalc
Geology
Host rockDunite · Pearsoll Peak Ophiolite
Associated rockPeridotite · Pearsoll Peak Ophiolite
Tectonic settingKlamath Mountains Accreted Terrane
AlterationSerpentinized
Economic & production
Development statusPast Producer
Identification
Deposit ID10104158
MRDS IDMP00071
Alternate namesSourdough No. 1, McCaleb's Sourdough No. 1, Part of Mccaleb Group
RegionNA
Data scoreB
Coordinates42.27815, -123.8331
References
RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTIRES BULLETIN 52, P. 106.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.RAMP, LEN, SCHLICKER, G.H., AND GRAY, J.J., 1977, GEOLOGY, MINERAL RESOURCES, AND ROCK MATERIAL OF CURRY COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 93, TABLE 7.