Unnamed (west of Sawmill Bay in Excursion Inlet)

Occurrence, Inactive

Commodities and mineralogy

Ore minerals pyrrhotite

Geographic location

Quadrangle map, 1:250,000-scale JU
Quadrangle map, 1:63,360-scale B-5
Latitude 58.4626
Longitude -135.5504
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of 2,950 feet, on the crest of the northwest-trending ridge, 1.8 miles west of Sawmill Bay in Excursion Inlet. It is in the NW1/4NW1/4 section 29, T. 39 S., R. 60 E. of the Copper River Meridian. The location is accurate.

Geologic setting

Geologic description

The regional geology consists of deformed and metamorphosed Silurian or Devonian carbonate, clastic and volcanic clastic rocks that have been intruded by Upper Jurassic and Lower Cretaceous granitic and dioritic rocks (Brew and others, 1992). This occurrence consists of intrusive diorite that contains up to 2 percent pyrrhotite (Brew and others, 1978).
Geologic map unit (-135.55221695389, 58.4622648833638)

Production and reserves

Indication of production None

References