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Upper Butte Creek Occurrences, Valdez Creek District, Matanuska-Susitna Borough, Alaska, USA

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Location: Placer gold occurs along upper Butte Creek, downstream from the mouth of Gold Creek to the map site, which is in the SW1/4 of sec. 27, T. 21 S., R. 2 W., of the Fairbanks Meridian. This is location B-10 of Balen (1990: 34-90).
Geology: Upper Butte Creek drains an area underlain by metasedimentary and intrusive rocks, presumably of Mesozoic or Tertiary age. The placer gold was probably derived from the erosion of auriferous lodes, such as those at HE156, HE172, and HE173. Samples collected by the BLM all contained small anounts of gold (Balen, 1990 OFR 90-34).
Workings: Surface workings only.
Age: Quaternary.

Commodities (Major) - Au
Development Status: Undetermined.
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a)

Mineral List



1 entry listed. 1 valid mineral.

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References

Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 plates, scale 1:250,000.

 
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