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  3. Alaska Resource Data File (ARDF)

Delarof Harbor

Occurrence, Inactive

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Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale PM
Quadrangle map, 1:63,360-scale A-2
Latitude 55.187
Longitude -160.548
Nearby scientific data Find additional scientific data near this location
Location and accuracy This site, at the head of Delarof Harbor on southeastern Unga Island, represents beach sands at the mouth of the creek draining the Apollo mine area (MacKevett and Holloway, 1977, locality 14; Wilson and others, 1988, locality 14). The location is accurate to within 1,200 feet.

Geologic setting

Geologic description

This occurrence represents placer gold in beach sands at the mouth of a creek draining the Apollo mine area (PM079).
Geologic map unit (-160.55003296693, 55.1861710044316)
Mineral deposit model Placer Au (Cox and Singer, 1986; model 39a)
Mineral deposit model number 39a
Age of mineralization Quaternary.

Production and reserves

Workings or exploration Some beach mining was reported in 1911 (Brooks, 1912).
Indication of production None

References

MRDS Number 10308146

References

Brooks, A.H., 1912, The mining industry in 1911, in Brooks, A.H., and others, Mineral resources of Alaska, report on progress of investigations in 1911: U.S. Geological Survey Bulletin 520-A, p. 17-44.
MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
U.S. Bureau of Mines, 1973, Alaska 1:250,000-scale quadrangle map overlays showing mineral deposit locations, principal minerals, and number and type of claims: U.S. Bureau of Mines Open-File Report 20-73, 95 overlays (updated in 1986, 1987).
Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., 1 plate, scale 1:250,000.
Reporters S.H. Pilcher
Last report date 1/4/2001