Unnamed (near headwaters of Main Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale SW
Quadrangle map, 1:63,360-scale D-5
Latitude 56.9
Longitude -157.5
Nearby scientific data Find additional scientific data near this location
Location and accuracy This site is located near the headwaters of Main Creek in T. 37 S., R. 51 or 52 W., of the Seward Meridian (MacKevett and Holloway, 1977, locality 4). Site location is accurate to within 4 miles.

Geologic setting

Geologic description

At this site hydrothermal alteration is associated with a Tertiary subvolcanic pluton and Tertiary volcanic rocks (MacKevett and Holloway, 1977). No mention is made of ore or gangue minerals present).
Geologic map unit (-157.502061396281, 56.8992474377802)
Mineral deposit model Porphyry copper? (Cox and Singer, 1986, model 17)
Mineral deposit model number 17?
Alteration of deposit Hydrothermal alteration of unknown type.

Production and reserves

Indication of production None

Additional comments

This occurrence is located on land selected by the Koniag Native Corporation.