|Quadrangle map, 1:250,000-scale||BB|
|Quadrangle map, 1:63,360-scale||A-2|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This site represents beach placer deposits that extend approximately 10 miles to the northeast and 5 miles to the southwest of Hook Lagoon, which is approximately 35 miles southwest of the mouth of Cinder River. The location is accurate as plotted (MacKevett and Holloway, 1977, locality 1; Church and others, 1989, locality 22).|
This occurrence consists of narrow beach deposits of black sand which occur primarily along the strand line. The black sand forms thin veneers of surf-washed titaniferous magnetite, ilmenite, and pyroxene. To test the sands the U.S. Bureau of Mines (Berryhill, 1963) drilled 15 auger holes along 15 miles of beach. The holes varied from 3.4 to 9 feet in depth. The drill samples were analyzed for iron and titanium oxide.The magnetic fraction contained 3.6 to 41 pounds of iron and 1.5 to 9.2 pounds of titanium oxide per cubic yard. The non-magnetic fraction contained 0.4 to 1.6 pounds of titanium oxide per cubic yard (Berryhill, 1963). Trace amounts of flour gold were recovered from two of the holes.
|Geologic map unit||(-158.481086953935, 57.1712288271818)|
|Mineral deposit model||Shoreline placer titanium (Cox and Singer, 1986; model 39c).|
|Mineral deposit model number||39c|
|Age of mineralization||Quaternary.|
|Workings or exploration||In 1963 the U.S. Bureau of Mines drilled 15 holes to test the titanium content of the black sands. The magnetic fraction contained 3.6 to 41 pounds of iron and 1.5 to 9.2 pounds of titanium oxide per cubic yard. The non-magnetic fraction contained 0.4 to 1.6 pounds of titanium oxide per cubic yard. Trace amounts of flour gold were recovered from two of the holes.|
|Indication of production||None|
Additional commentsThis occurrence is located on state land.
|Reporters||S.H. Pilcher (Anchorage)|
|Last report date||2/1/2000|