Capitol Hill

Mine, Inactive

Commodities and mineralogy

Main commodities Ag; Au; Cu

Geographic location

Quadrangle map, 1:250,000-scale AN
Quadrangle map, 1:63,360-scale A-4
Latitude 61.1
Longitude -148.15
Nearby scientific data Find additional scientific data near this location
Location and accuracy Located on the eastern shore of Barry Arm, near BM Acute (south of Barry Glacier). Accurate within 0.5 miles. Locality 55 of Cobb (1972), locality 43 of MacKevett and Holloway (1977), and locality A-28 of Jansons and others (1984).

Geologic setting

Geologic description

Quartz vein cuts metasedimentary rocks of the Late Cretaceous Valdez Group. The vein contains gold, silver, and copper (Martin, 1920).
Geologic map unit (-148.152077969245, 61.0994403469122)
Mineral deposit model Chugach-type low-sulfide Au-quartz veins (Bliss, 1992; model 36a.1?) or Epithermal Au vein?
Mineral deposit model number 36a.1?
Age of mineralization Late Cretaceous or younger based on age of bedrock.

Production and reserves

Workings or exploration A 40 ft tunnel was driven, but no ore was shipped (Martin, 1920).
Indication of production None


MRDS Number A106185
Reporters D.P. Bickerstaff (USGS contractor); S.W. Huss (USGS)
Last report date 7/30/1998