Alaska
Prospect

Red Mountain

Alaska, United States
PGEGoldChromiumNickelCopperChromium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryPGE
SecondaryGold, Chromium
TertiaryNickel, Copper, Chromium
Commodity typeM
Deposit
Model23: Alaskan Cr-Pt (PGE)
Materials
Ore mineralsChromite, Gold
Geology
Host rockDunite · Goodnews Bay Ultramafic Complex;Goodnews Bay Ultramafic Complex;Goodnews Bay Ultramafic Complex
AlterationPartial to complete serpentization of the dunite is common. Mertie (1969, p. 79) reports that 25 percent of the Red Mountain dunite is serpentine.
Economic & production
Development statusProspect
Identification
Deposit ID10002299
MRDS IDA013204
RegionNA
Data scoreB
Coordinates58.93925, -161.73268
References
Mertie, J.B., Jr., 1969, Economic geology of platinum minerals: U.S. Geological Survey Professional Paper 630, 120 p.Mertie, J.B., Jr., 1976, Platinum deposits in the Goodnews Bay district, Alaska: U.S. Geological Survey Professional Paper 938, 42 p.Bird, M.L., and Clark, A.L., 1976, Microprobe study of olivine chromitites of the Goodnews Bay ultramafic complex, Alaska, and the occurrence of platinum: U.S. Geological Survey Journal of Research, v. 4, p. 717-725.Hoare, J.M., and Coonrad, W.L., 1978, Geologic map of the Goodnews and Hagemeister Island quadrangles region, southwestern Alaska: U.S. Geological Survey Open-File Report 78-9-B, two sheets, scale 1:250,000.Southwith, D.P., 1986, Geology of the Goodnews Bay ultramafic complex: University of Alaska, Fairbanks, M.Sc. thesis, 115 p.Southwith, D.P., and Foley, J.Y., 1986, Lode platinum-group metals potential of the Goodnews Bay ultramafic complex, Alaska: U.S. Bureau of Mines Open-File Report 51-86, 82 p.Fechner, S.A., 1988, Bureau of Mines mineral investigation of the Goodnews Bay mining district, Alaska: U.S. Bureau of Mines Open-File Report 1-88, 230 p.Alaska Earth Sciences, 2000, The Goodnews Bay ultramafic complexes: Unpublished data, http://aes.alaska.com/UMAF/FIGURES/page4.html