Unnamed (Dick Creek drainage)

Occurrences, Inactive

Commodities and mineralogy

Main commodities Zn
Other commodities Ag; Ba; Cu; Fe; Mo; Pb
Ore minerals barite; pyrite; sphalerite

Geographic location

Quadrangle map, 1:250,000-scale CV
Quadrangle map, 1:63,360-scale B-1
Latitude 60.35
Longitude -144.31
Nearby scientific data Find additional scientific data near this location
Location and accuracy This site represents several occurrences in an approximately 15-sq.-mi area in the Dick Creek drainage. The roughly circular area is bounded on the south by Bering Lake and on the north, west, and east by the drainage divides of the tributaries of Dick Creek. The map site is about at the center of the area in the SW1/4, sec. 35, T. 17 S., R. 6 E., of the Copper River Meridian.

Geologic setting

Geologic description

These occurrences consist of anomalous metal values in stream sediment from concretionary sandstone of the Tertiary Tokun Formation (Winkler and Plafker, 1993). Stream sediment concentrate samples contain >2% Zn (Goldfarb and others, 1992).
Geologic map unit (-144.31197942402, 60.3494594079378)
Mineral deposit model Possibly sedimentary-exhalative Pb-Zn (Cox and Singer, 1986; model 31a)
Mineral deposit model number 31a ?
Age of mineralization Tertiary, based on probable source of samples.

Production and reserves

Workings or exploration
None. Investigations of similar geochemical anomalies to the south on Kayak Island (Pickthorn and others, 1985) failed to find any outcrops containing mineral deposits (Goldfarb and others, 1992).
Stream sediment concentrate samples contain >2% Zn (Goldfarb and others, 1992).
Indication of production None

Additional comments

This and other geologically similar areas in the Cordova quadrangle warrant further investigation (Nelson and others, 1994). Chugach Alaska Corporation, Anchorage, Alaska has control of these lands.

References