|Quadrangle map, 1:250,000-scale||TI|
|Quadrangle map, 1:63,360-scale||D-1|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This site represents the beach area near Alitak triangulation station located at the southern end of Tanner Head (Cobb, 1972, MF 468, locality 1; Cobb 1973, Bulletin 1374, figure 11, locality 2; MacKevett and Holloway; 1977, locality 1). Site location is accurate to within 1/2 mile.|
Geologic descriptionAt this site placer gold has been found in beach deposits as well as in sand dunes derived from the beach sands. Magnetite is fairly abundant in the dunes as well as on the beach. Gassaway (1935, p. 4) reports black sand layers on the beach to be up to 2 feet in thickness with a gold content of less than commercial grade. The gold was reported to be extremely fine and difficult to amalgamate. The immediate source of the placer gold is thought to be the nearby bluffs of glacial gravels and tills.
|Geologic map unit||(-154.302289641268, 56.8492098988267)|
|Mineral deposit model||Gold placer (Cox and Singer, 1986; model 39a).|
|Mineral deposit model number||39a|
|Age of mineralization||Quaternary|
|Workings or exploration||As reported by Capps (1937), in 1935 a mill was under construction to treat the wind-blown dune sand for its gold content. No further efforts were reported and the endeavor was apparently not successful. At this same time some mining of the beach deposits was being carried out with sluice boxes and amalgamation plates.|
|Indication of production||Yes; small|
Additional commentsThis site is located within the Kodiak National Wildlife Refuge.
Capps, S.R., 1937, Kodiak and adjacent islands, in Smith, P.S. and others, Mineral resources of Alaska, report on progress of investiagtions in 1935: U.S. Geological Survey Bulletin 880-C, p. 111-184, 1 plate, scale 1:250,000.
Cobb, E.H., 1972, Metallic mineral resources map of the Trinity Islands quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF- 468, 1 sheet, scale 1:250,000.
Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Afognak, Karluk, Kodiak, and Trinity Islands quadrangles, Alaska: U.S. Geological Survey Open-File Report 79-860, 49 p.
Gassaway, L.D., 1935, Report on black sand deposits of Kodiak Island: Alaska Division of Geological and Geophysical Surveys Miscellaneous Report 135-1, 10 p.
|Reporters||S.H. Pilcher (Anchorage)|
|Last report date||8/13/1998|