Icy Cape (Guyot Bay)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Au; Ti
Other commodities Cr
Ore minerals chromite; ilmenite; gold; magnetite; rutile
Gangue minerals garnet; sphene; xenotime; zircon

Geographic location

Quadrangle map, 1:250,000-scale IB
Quadrangle map, 1:63,360-scale D-2
Latitude 59.9523
Longitude -141.6935
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is on the Gulf of Alaska shoreline at Icy Cape, the northwest entrance to Icy Bay. It is in section 5, T. 23 S., R. 22 E., of the Copper River Meridian. This is sample location 153 of Foley and others (1995).

Geologic setting

Geologic description

Foley and others (1995) collected two beach samples at this location. Spiral concentrates from these samples contained 0.452 and 1.552 grams of gold per ton, 1.10 and 1.49 percent titanium, and 695 and 1,630 ppm zirconium. Thomas and Berryhill (1962) collected reconnaissance beach samples (IB004, IB006-010) from the Icy Bay area that contained trace to small amounts of magnetite, ilmenite, chromite, zircon, rutile, garnet, sphene, xenotime, and gold. The magnetic fraction of their samples contained as much as 6.2 pounds of iron and 1 pound titanium oxide per cubic yard in the magnetic fraction. The non-magnetic fraction contained as much as 6.4 pounds, but mostly less than 2 pounds, of titanium oxide per cubic yard.
Geologic map unit (-141.695265688376, 59.9518717841965)
Mineral deposit model Placer Au (Cox and Singer, 1986; model 39a - beach).
Mineral deposit model number 39a
Age of mineralization Holocene.

Production and reserves

Workings or exploration Reconnaissance characterization of beach samples has been completed in this area.
Indication of production None

References

MRDS Number 10307634
Reporters Travis L. Hudson
Last report date 12/12/2001