Unnamed (on Gareloi Island) (ARDF #GI001) Cu

Unnamed (on Gareloi Island)

Occurrence, Inactive

Commodities and mineralogy

Main commodities	Cu
Ore minerals	atacamite; paratacamite

Geographic location

Quadrangle map, 1:250,000-scale	GI
Latitude	51.76
Longitude	-178.77
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	This site is located near the southeast coast of Gareoli Island approximately 1 1/2 miles east of triangulation point Gareoli. Site is accurate to within 2 miles.

Geologic setting

Geologic description Copper sublimate occurs on the scoriaceous surface of a lava flow (Coats, 1951). This material was found to be a mixture of atacamite and paratacamite.
Geologic map unit	(-178.772613842406, 51.7585210390323)

Production and reserves

Workings or exploration	The U.S. Geological Survey mapped this area in the 1950s (Coats, 1951).
Indication of production	None
Additional comments This site is located in the Aleutian Maritime Wildlife Refuge.

References

MRDS Number	10307455
References Coats, R.R., 1951, Geologic reconnaissance of Gareloi Island, Alaska: U.S. Geological Survey Bulletin 1028-J, p. 249-256, 1 plate, scale 1 inch equals 0.75 mile. Fraser, G.D., and Barnett, F.H., 1959, Geology of the Delarof and westernmost Andreanof Islands, Aleutian Islands, Alaska: U.S. Geological Survey Bulletin 1028-I, p. 211-248, (4 map sheets, scale 1:250,000 and 1:25,000).
Reporters	S.H. Pilcher (Anchorage)
Last report date	1/20/2000