Commodities
PrimaryChromium
TertiaryPalladium, Rhodium, Platinum
Commodity typeM
Deposit
Deposit typeMAGMATIC SEGREGATION
Model15: Podiform chromite (minor)
Deposit sizeS
Ore controlMAGMATIC SEGREGATION
Geology
Structure2 MAIN SETS OF FAULTS, ALSO CONSIDERABLE FOLDING
AlterationSERPENTINIZATION
Economic & production
Development statusPast Producer
Identification
Deposit ID60001006
MRDS IDM061750
Alternate namesSordy Group
RegionNA
Data scoreD
Coordinates42.43402, -123.72286
References
THAYER, T.P., 1974, U.S. GEOLOGICAL SURVEY, UNPUB. DATA.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.WELLS, F.G., PAGE, L.R., AND JAMES, H.L., 1941, CHROMITE DEPOSITS IN THE SOURDOUGH AREA, CURRY COUNTY, AND THE BRIGGS CREEK AREA, JOSEPHINE COUNTY, OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 922-P, P. 477-496.