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Coal Creek Occurrence, Valdez Creek District, Matanuska-Susitna Borough, Alaska, USA

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MAS/MIL number 20760095.
Location: This placer gold occurrence is on Coal Creek about 1.7 miles southwest of Coal Lake. The placer claims extend along the creek for about three miles; the coordinates are at about the center of the claims in the SW1/4 sec. 13, T. 32 N., R. 10 E., Seward Meridian. The location is accurate.
Geology: The rocks in the drainage of Upper Coal Creek are Cretaceous and Tertiary granitic rocks (Kurtak and others, (1992). Gold occurs in the alluvial gravel deposits. A placer sample collected by the U.S. Bureau of Mines from the south fork of Coal Creek contains 0.0008 ounce of gold per cubic yard (Kurtak and others, (1992).
Workings: Only limited placer sampling by U.S. Bureau of Mines (Kurtak and others, 1992).
Age: Quaternary placer.

Commodities (Major) - Au
Development Status: None
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a)

Mineral List



1 entry listed. 1 valid mineral.

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References

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. Kurtak, J.M., Southworth, D.D., Balen, M.D., and Clautice, K.H., 1992, Mineral investigations in the Valdez Creek mining district, south-central Alaska: U.S. Bureau of Mines Open-File Report 1-92, 659 p., 2 plates, scale 1:250,000.

 
Mineral and/or Locality  
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