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Unnamed Occurrence (ARDF - SI152; northeast shore of Deep Bay), Chichagof District, Sitka Borough, Alaska, USA

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Location: The location of this (placer?) occurrence is known only approximately; it is on the northeast shore of Deep Bay, about 0.8 mile from the head of the bay. The occurrence is 0.2 mile west of the center of sec. 16, T. 51 S., R. 61 E. It is location P-97 of Bittenbender and others (1999) and MAS no. 0021140303 (U.S. Bureau of Land Management, 2002).
Geology: Johnson and Karl (1985) map the rocks in the vicinity of this occurrence as part of a Tertiary(?) granodiorite stock. The stock contains roof pendants and inclusions of Mesozoic or Paleozoic amphibolite, gneiss, schist, and marble; the rocks are cut by high-angle, mainly northwest-striking faults. Bittenbender and others (1999), citing Kimball (1982), report that a stream-sediment sample at this site contained 12 parts per million gold, but that no gold was found in other samples.
Workings: Only stream sampling.
Age: Quaternary.

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

Mineral List

1 entry listed. 1 valid mineral.

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Bittenbender, P., Still, J.C., Maas, K., and McDonald, M., Jr., 1999, Mineral resources of the Chichagof and Baranof Islands area, southeast Alaska: Bureau of Land Management, BLM-Alaska Technical Report 19, 222 p. Johnson, B.R, and Karl, S.M., 1985, Geologic map of western Chichagof and Yakobi Islands, southeastern Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map 1-1506, 1 sheet, scale 1:125,000. Kimball, A.L., 1982, Mineral land assessment of Yakobi Island and adjacent parts of Chichagof Island, southeastern Alaska: U. S. Bureau of Mines Mineral Land Assessment report, MLA 97-82, 199 p. U.S. Bureau of Land Management, 2002, Alaska mineral locations database report (Sitka quadrangle), July 2, 2002, 205 p. [http://imcg.wr.usgs.gov/dem.html]

Mineral and/or Locality  
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