Red Head #1

Prospect, Inactive

Commodities and mineralogy

Main commodities Au
Other commodities Fe; Ti
Ore minerals garnet; ilmenite; magnetite
Gangue minerals beach sand

Geographic location

Quadrangle map, 1:250,000-scale CV
Quadrangle map, 1:63,360-scale C-7
Latitude 60.68
Longitude -146.46
Nearby scientific data Find additional scientific data near this location
Location and accuracy This beach placer site represents about two miles of the shore of outer Port Gravina between Red Head and Hell's Hole. The map site is about at the mid-point of the beach placer. It is in the E1/2 sec. 4, T. 13 S., R. 8 W., of the Copper River Meridian. The site is accurately located to within 2000 ft. This location as site P-18 in Jansons and others (1984).

Geologic setting

Geologic description

This prospect consists of heavy minerals, including gold, in wave-formed beach placer deposits. Zones of heavy-mineral concentration in the sand can reach three feet thick. One such one-foot-thick zone overlying pebbles of felsic intrusive rock, greenstone, graywacke and slate was sampled and contained over 10% garnet (Jansons and others, 1984). Two 0.1 cubic-yard samples of the beach sand contained <0.03 ppm to 0.0002 oz. Au/ton.
Geologic map unit (-146.461995112523, 60.6794473716128)
Mineral deposit model Beach placer (Cox and Singer, 1986; model 39a)
Mineral deposit model number 39a
Age of mineralization Holocene.

Production and reserves

Workings or exploration Surface workings. Heavy-mineral concentration zones contained over 10% garnet. Two 0.1 cubic-yard samples of the beach sand contained <0.03 ppm to 0.0002 oz. Au/ton (Jansons and others, 1984).
Indication of production Yes; small
Production notes Not more than 500 oz. Au produced (Cobb, 1979 [OF 79-973]).

Additional comments

Site is in the Chugach National Forest.

References