Unnamed (head of Bedrock Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Pb
Ore minerals galena; pyrite
Gangue minerals limonite

Geographic location

Quadrangle map, 1:250,000-scale WI
Quadrangle map, 1:63,360-scale A-5
Latitude 67.1861
Longitude -152.4309
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is near the head of Bedrock Creek about 7 miles north of Heart Mountain. It is at an elevation of about 3,300 feet just south of hill 3425, in the northwest corner of section 9, T. 27 N., R. 22 W., of the Fairbanks Meridian. The occurrence is sample 199 in Dillon and others (1981 [AOF 133B]). The location is accurate.

Geologic setting

Geologic description

This occurrence consists of galena, possibly pyrite, and limonite after pyrite, disseminated in epidote-muscovite-feldspar-quartz schist mapped as Ambler metavolcanic rocks (Dillon and others, 1986). A grab sample contains 150 ppm lead (Dillon and others, 1981 [AOF 133B]. No other information is available.
Geologic map unit (-152.43363554833, 67.1856286868522)
Alteration of deposit Oxidation of pyrite(?).

Production and reserves

Workings or exploration Only surface sampling.
Indication of production None