Dakavak Bay

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Other commodities As; Sb; Zn
Ore minerals pyrite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale MK
Quadrangle map, 1:63,360-scale A-3
Latitude 58.0747
Longitude -154.7385
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is at an elevation of about 1,250 feet, 1.5 miles northwest of Dakavak Bay and 2 miles west-southwest of the southern tip of Dakavak Lake. It is in the SE1/4 sec. 19, T. 24 S., R. 33 W., of the Seward Meridian. The location is accurate within one-half mile.

Geologic setting

Geologic description

This occurrence consists of pyrite-bearing quartz veins in the Late Cretaceous Kaguyak and the Oligocene Hemlock Formations that are intruded by a Tertiary pluton (Riehle and others, 1993). Church, Riehle, and Goldfarb (1993) collected samples that contain up to 370 parts per million (ppm) zinc, 200 ppm copper, 50 ppm cobalt, 30 ppm arsenic, and 4 ppm antimony.
Geologic map unit (-154.740619366238, 58.0740057581218)
Mineral deposit model Polymetallic vein (Cox and Singer, 1986; model 22c).
Mineral deposit model number 22c
Age of mineralization Oligocene or younger based on the age of the host rocks.

Production and reserves

Workings or exploration Apparently only geochemical sampling by government geologists.
Indication of production None

Additional comments

This occurrence is in Katmai National Monument.

References