Commodities
PrimaryGold, Silver
SecondaryLead, Antimony, Molybdenum, Copper, Barium-Barite
Commodity typeM
Materials
Ore mineralsChalcopyrite, Galena, Gold, Molybdenite, Pyrite, Silver, Stibnite
GangueHematite, Quartz
Geology
Host rockGneiss
AlterationIntense hydrothermal alteration and silicification is found in many of the NE-trending fault zones and in portions of intrusive units at the prospect (Curt Freeman, unpublished data, 1998).
Economic & production
Development statusProspect
Identification
Deposit ID10001749
MRDS IDA012533
RegionNA
Data scoreB
Coordinates63.79976, -141.31264
References
Mertie, J.B., Jr., 1931, A geologic reconnaissance of the Dennison Fork District, Alaska: U.S. Geological Survey Bulletin 827, 44 p.Foster, H.L., 1970, Reconnaissance geologic map of the Tanacross quadrangle, Alaska: U.S. Geological Survey Miscellaneous Geological Investigations Map I-593, 1 sheet, scale 1:250,000.Eberlein, G.D., Chapman, R.M., Foster, H.L., and Gassaway, J.S., 1977, Map and table describing known metalliferous and selected nonmetalliferous mineral deposits in central Alaska: U.S. Geological Survey Open-File Report 77-168-D, 132 p., 1 map, scale 1:1,000,000.Gill, R., 1977, Geology and mineral deposits of the southwest quarter of the Tanacross D-1 quadrangle, Alaska: Golden, Colorado School of Mines, M.Sc. thesis, 129 p.Cobb, E.H., and Eberlein, G.D., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Big Delta and Tanacross quadrangles, Alaska: U.S. Geological Survey Open-File Report 80-1086, 77 p.Dusel-Bacon, C., and Aleinikoff, J.N., 1985, Petrology and tectonic significance of augen gneiss from a belt of Mississippian granitoids in the Yukon-Tanana terrane, east-central Alaska: Geological Society of America Bulletin, v. 96, p. 411-425.