Alaska
Occurrence

Unnamed (north wall Grinnell Glacier)

Alaska, United States
CopperZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondaryZinc
Deposit
Model91: Massive sulfide, Besshi (Japanese deposits)
Materials
Ore mineralsArsenopyrite, Chalcopyrite, Malachite, Pyrite, Pyrrhotite, Sphalerite
GangueQuartz, Sericite
Geology
AlterationLocal alteration of copper minerals.
Economic & production
Development statusOccurrence
Identification
Deposit ID10307386
RegionNA
Data scoreC
Coordinates60.72662, -144.78348
References
Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.Nelson, S.W., Miller, M.L., Barnes, D.F., Dumoulin, J.A., Goldfarb, R.J., Koski, R.A., Mull, C.G., Pickthorn, W.J., Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral resource potential of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-A, 24 p., 1 plate, scale 1:250,000.Kodosky, Larry, and Teller, Steve, 1989, Economic mineral assessment of Chugach Alaska Corporation properties and selected land in the Copper, Bremner, and Tasnuna River area: unpublished report prepared for Chugach Alaska Corporation, Anchorage, Alaska, 116 p.Crowe, D.E., Nelson, S.W., Brown, P.E., Shanks III, W.C., and Valley, J.W., 1992, Geology and geochemistry of volcanogenic massive sulfide deposits and related igneous rocks, Prince William Sound, south-central Alaska: Economic Geology, v. 87, p. 1722-1746.Nelson, S.W., Dumoulin, J. A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-B, 16 p., 1 sheet, scale 1:250,000.