Unnamed (south of upper Granite Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Zn
Other commodities Cu
Ore minerals pyrite

Geographic location

Quadrangle map, 1:250,000-scale TK
Quadrangle map, 1:63,360-scale B-2
Latitude 62.2988
Longitude -147.914
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is south of upper Granite Creek, at an elevation of about 5,350 feet, approximately 0.7 mile northeast of hill 5642. The location is accurate to within 1/4 mile. This is locality 58 of Csejtey and Miller (1978).

Geologic setting

Geologic description

This occurrence is a small gossan of limonite and pyrite along fractures in meta-andesite (Csejtey and Miller, 1978). A sample of the gossan contains 1,200 parts per million zinc and 120 parts per million copper (Miller and others, 1978).
Geologic map unit (-147.91618820536, 62.2983281139783)
Mineral deposit model Cyprus massive sulfide?, Kuroko massive sulfide? (Cox and Singer, 1986; model 24a?, 28a?)
Mineral deposit model number 24a?, 28a?
Alteration of deposit Iron-oxide alteration.

Production and reserves

Workings or exploration Only limited sampling by the U.S. Geological Survey (Miller and others, 1978).
Indication of production None