Delusion Creek Occurrence, Valdez Creek District, Matanuska-Susitna Borough, Alaska, USA
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Location: This placer occurrence is located on Delusion Creek, just above its junction with Watana Creek. It is near the center of the eastern side of sec. 18, T. 32 N., R. 7 E. of the Seward Meridian. The location is accurate to within 1/2 mile.
Geology: Placer claims were staked in 1979 but were abandoned in 1981 (Kurtak and others, 1992). The alluvial deposits at this placer occurrence are underlain by schist, migmatite, and granite (Kurtak and others, 1992). A stream sediment sample contains 0.002 ounce of gold per cubic yard, 160 parts per million tungsten, and 4 parts per billion palladium.
Workings: Placer claims were staked in 1979 but were abandoned in 1981 (Kurtak and others, 1992). Limited stream sampling by the U.S. Bureau of Mines (Kurtak and others, 1992).
Age: Quaternary placer.
Commodities (Major) - Au, Pd; (Minor) - W
Development Status: None
Deposit Model: Placer Au-PGE (Cox and Singer, 1986; model 39a)
1 entry listed. 1 valid mineral.
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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.