California · Del Norte County
Past Producer

Judy Mine

Del Norte County, California, United States
ChromiumRhodiumRutheniumIridiumPalladiumPlatinum
⌖ Show on mapUSGS source ↗
Description

Murphy Hicks

Commodities
PrimaryChromium
TertiaryRhodium, Ruthenium, Iridium, Palladium, Platinum
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
WorkingsSurface/Underground
Orebody formMASSIVE AND DISSEMINATED, CIGAR-SHAPED LENS
Ore controlMagmatic Segregation
Materials
Ore mineralsChromite
GangueOlivine
Geology
Host rockDunite
Associated rockHarzburgite · Josephine Ophiolite
StructureA Fault, Striking N45w And Dipping 64sw, Cuts Ore At Depth Of 8 M
Tectonic settingKlamath Mountains Accreted Terrane
AlterationUltramafic Rocks Intensely Serpentinized In Shear Zones
Economic & production
Development statusPast Producer
First production1942
Last production1956
Discovery year1941
Identification
Deposit ID10103913
MRDS IDM100588
Alternate namesHicks Mine, Victory No. 2
RegionNA
Data scoreB
Coordinates41.92676, -123.98227
References
STINSON, M.C., 1975, CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL PROPERTY REPORT, UNPUB.WELLS, F.G., CATER, F.W., JR., AND RYNEARSON, G.A., 1946, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 1, CH. 1, P. 36-38.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.O'BRIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 48, NO. 4, P. 273-289.STINSON, 1975