|Quadrangle map, 1:250,000-scale||TI|
|Quadrangle map, 1:63,360-scale||B-3|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This site is the general beach area along the southeast coast of Tugidak Island (MacKevett and Holloway, 1977, locality 5).|
Geologic descriptionScattered patches of black sand concentrations occur at the high tide mark. They are widely scattered , their volume is small, and their gold content is reported to be very low (Gassaway, 1935).
|Geologic map unit||(-154.722249522942, 56.3992186476112)|
|Mineral deposit model||Gold placer (Cox and Singer, 1986; model 39a).|
|Mineral deposit model number||39a|
|Age of mineralization||Quaternary|
|Workings or exploration||Smith (1933) reports that natives have recovered placer gold in amounts valued at a few hundred dollars. In 1996 there were active placer claims on the southern end of the island.|
|Indication of production||Yes; small|
Alaska Division of Natural Resources, 1997, State of Alaska general land status with mineral resources and mining claims, Alaska Peninsula, 1 map sheet, scale 1:1,000,000.
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.
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.
|Reporters||S.H. Pilcher (Anchorage)|
|Last report date||8/15/1998|