Unnamed (northeast of Talkeetna River)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals chalcopyrite; pyrrhotite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale TK
Quadrangle map, 1:63,360-scale B-4
Latitude 62.4731
Longitude -148.5668
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 4,200 feet, approximately 1 3/4 miles northeast of the Talkeetna River and 4 miles downstream from Yellowjacket Creek. The occurrence is near the center of sec. 32, T. 28 N., R. 5 E., Seward Meridian. The location accurate to within 1/4 mile. This is locality 49 of Csejtey and Miller (1978).

Geologic setting

Geologic description

At this occurrence, a few percent of pyrrhotite and chalcopyrite are in northeast- striking quartz veins and replacement zones in greenstone. The zones are 0.5 to 2.0 feet thick and dip steeply to the southeast (Rose, 1967).
Geologic map unit (-148.569015089293, 62.4726196852766)
Mineral deposit model Basaltic Cu? (Cox and Singer, 1986; model 23?)
Mineral deposit model number 23?

Production and reserves

Indication of production None


MRDS Number A012178


Reporters R.K. Rogers (U. S. Geological Survey contractor)
Last report date 10/1/2002