Unnamed (south of Slate Creek)

Occurrence, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals pyrite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale MH
Quadrangle map, 1:63,360-scale A-2
Latitude 63.1646
Longitude -144.8465
Nearby scientific data Find additional scientific data near this location
Location and accuracy This occurrence is about a mile southeast of the mouth of Slate Creek and at an elevation of about 4,400 feet. The occurrence is in the NW1/4SE1/4 section 22, T. 20 S., R. 15 E., Fairbanks Meridian. The occurrence corresponds to locality 25 of Rose (1967) and locality 18 on figure 6 of Cobb (1979 [OFR 79-238]. The location is accurate within 0.1 mile.

Geologic setting

Geologic description

The rocks at this occurrence are an extensive body of pyritized andesite of Pennsylvanian age (Rose, 1967). The volcanic rocks are cut by quartz veinlets, and a sample assayed 0.04 ounce of gold per ton (Rose, 1967).
Geologic map unit (-144.848727156588, 63.1642028601136)
Mineral deposit model Polymetallic veins? (Cox and Singer, 1986; model 22c?).
Mineral deposit model number 22c?
Age of mineralization Uncertain; epigenetic introduction of quartz and pyrite.
Alteration of deposit The andesite is pyritized and has been silicified (Rose, 1967).

Production and reserves

Indication of production None

References