H.G. Cloes

Prospect, Inactive

Commodities and mineralogy

Main commodities Au; Cu; Pb
Ore minerals chalcopyrite; galena; gold; pyrite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale AN
Quadrangle map, 1:63,360-scale A-4
Latitude 61.03
Longitude -148.17
Nearby scientific data Find additional scientific data near this location
Location and accuracy West shore of Barry Arm, near mouth of unnamed drainage flowing eastward from Mount Doran. Accurate within 1,500 ft. Locality A-33 of Jansons and others (1984).

Geologic setting

Geologic description

Roehm (1936) reported a quartz vein that contains pyrite, chalcopyrite, and galena cutting Late Cretaceous metasedimentary rocks of the Valdez Group.
Geologic map unit (-148.172073116416, 61.0294309115148)
Mineral deposit model Chugach-type low-sulfide Au-quartz vein? (Bliss, 1992; model 36a.1?) or Polymetallic veins? (Cox and Singer, 1986; model 22c?).
Mineral deposit model number 36a.1? or 22c?
Age of mineralization Late Cretaceous or younger; quartz vein cuts Late Cretaceous metasedimentary rocks of the Valdez Group.

Production and reserves

Workings or exploration Minor stripping reported (Roehm, 1936).
Indication of production None