Alaska
Prospect

Brenner

Alaska, United States
ZincLeadMolybdenumGoldCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc, Lead, Molybdenum, Gold
SecondaryCopper
Commodity typeM
Deposit
Model274: Low-sulfide Au-quartz vein, Chugach-type
Materials
Ore mineralsArsenopyrite, Galena, Gold, Marcasite, Molybdenite, Pyrite, Pyrrhotite, Sphalerite, Copper
GangueCalcite, Quartz
Geology
AlterationThe deepest oxidation evident is 30 ft below collar of shaft. Most oxidation is above modern water table (Park, 1933).
Economic & production
Development statusProspect
Identification
Deposit ID10000986
MRDS IDA011657
RegionNA
Data scoreB
Coordinates61.04454, -149.11762
References
Park, F.C., 1933, The Girdwood District, Alaska: U.S. Geological Survey Bulletin 849-G, p. 381-424.Clark, S.H.B., and Yount, M.E., 1972, Reconnaissance geologic map and geochemical analyses of stream-sediment and rock samples of the Anchorage A-6 Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 351, 2 sheets, scale 1:63,360.MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.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.Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.