Unnamed (on Spectacle Island)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Zn

Geographic location

Quadrangle map, 1:250,000-scale SB
Quadrangle map, 1:63,360-scale A-6
Latitude 55.12
Longitude -159.73
Nearby scientific data Find additional scientific data near this location
Location and accuracy The map site of this occurrence is at an elevation of about 500 feet, above the northwest shore of Spectacle Island in East Nagai Strait. It is referred to as SBRGX-38 in Wilson and others (1988, locality 12). The location is accurate to within 1 mile.

Geologic setting

Geologic description

The country rock at this site is Cretaceous mudstone (Wilson and others, 1995). Wilson and others (1988) reported anomalous zinc values in rocks collected in this area.
Geologic map unit (-159.732091967216, 55.1191901749519)

Production and reserves

Workings or exploration Rock samples 84ACe97, 98, 100, collected by the U.S. Geological Survey in the mid-1980s, were reported to be anomalous in zinc (Wilson and others, 1988).
Indication of production None

Additional comments

This occurrence is located on lands selected by the Aleut Corporation.