Unnamed (northeast of Ramsey Bay)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu; Mo
Other commodities Ag; Zn

Geographic location

Quadrangle map, 1:250,000-scale SB
Quadrangle map, 1:63,360-scale D-6
Latitude 55.79
Longitude -159.99
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is located on the Alaska Peninsula near the head of an unnamed creek draining into Ramsey Bay (Christie, 1974, color anomaly 86; MacKevett and Holloway, 1977, locality 4; Wilson and others, 1988, locality 4). The map site is at an elevation of about 2,200 feet, in the SW1/4 of sec. 22, T. 49 S., R. 69 W., of the Seward Meridian. The location is accurate to within 2 miles.

Geologic setting

Geologic description

The country rocks at this occurrence consist either of sedimentary units of the Miocene Bear Lake Formation or of volcanic and sedimentary units of the Oligocene to Eocene Stepovak Bay Formation (Wilson and others, 1995).
Christie (1974) noted a small color anomaly at this location. He collected one silt sample that contained 48 ppm copper, 4 ppm molybdenum, 63 ppm zinc, and 1.6 ppm silver. MacKevett and Holloway (1977) describe the occurrence as an altered zone in Tertiary rocks.
Geologic map unit (-159.992021655775, 55.7891905728799)
Age of mineralization Eocene or younger.

Production and reserves

Workings or exploration This site was very briefly examined and sampled by an Aleut-Quintana-Duval joint venture in 1974 (Christie, 1974).
Indication of production None

Additional comments

This site is on land selected by the Aleut Corporation.

References