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  3. Alaska Resource Data File (ARDF)

Unnamed (south of Talkeetna River-Cache Creek junction)

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Zn
Other commodities Cu; Pb
Ore minerals pyrite

Geographic location

Quadrangle map, 1:250,000-scale TK
Quadrangle map, 1:63,360-scale C-5
Latitude 62.5082
Longitude -149.062
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 4,050 feet. It is about 6 miles south of the junction of the Talkeetna River and Cache Creek at about the midpoint of the north boundary of sec. 22, T. 28 N., R. 2 E., Seward Meridian. The location is accurate to within 1/2 mile.

Geologic setting

Geologic description

This occurrence consists of pyrite-bearing gossan in sheared, Paleozoic meta-andesite (Csejtey and Miller, 1978). A sample of iron-stained volcanic rock contains 500 parts per million zinc, 10 parts per million lead, and 10 parts per million copper (Miller and others, 1978).
Geologic map unit (-149.064235021903, 62.5077109699036)
Alteration of deposit Iron-oxide alteration.

Production and reserves

Workings or exploration Limited surface sampling by the U.S. Geological Survey (Miller and others, 1978).
Indication of production None

References

References

Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and table describing metalliferous and selected nonmetalliferous mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-558-B, 22 p., 1 sheet, scale 1:250,000.
Csejtey, Bela, Jr., Nelson, W.H., Jones, D.L., Silberling, N.J., Dean, R.M., Morris, M.S., Lanphere, M.A., Smith, J.G., and Silberman, M.L, 1978, Reconnaissance geologic map and geochronology, Talkeetna Mountains quadrangle, northern part of Anchorage quadrangle, and southwest part of Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-558-A, 60 p., 1 sheet, scale 1:250,000.
Miller, R.J., Cooley, E.F., O'Leary, R.M., Garmezy, Larry, Csejtey, Bela, Jr., Smith, T.E., and Cleveland, M.N., 1978, Analysis of geochemical samples from the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-file Report 78-1052, 279 p., 3 sheets, scale 1:250,000.
Reporters R.K. Rogers (U. S. Geological Survey contractor)
Last report date 10/4/2002