Rock Creek

Mine, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale EA
Quadrangle map, 1:63,360-scale D-2
Latitude 64.8731
Longitude -141.5207
Nearby scientific data Find additional scientific data near this location
Location and accuracy Rock Creek is a small south tributary of the Seventymile River on which some placer mining occurred hear the head of the creek. The coordinates are the location of placer workings, in section 31, T. 1 N., R. 31 E., of the Fairbanks Meridian. The location is accurate within 1 mile. Rock Creek is locality 31 of Cobb (1972 [MF-393]) and locality 51 of Eberlein and others (1977).

Geologic setting

Geologic description

The rocks along Rock Creek are Cretaceous to Pliocene terrigenous sedimentary rocks (Foster, 1976). The Tintina Fault crosses upper Rock Creek. Some coarse gold was found near the head of Rock Creek (Ellsworth and Parker, 1911) near the a lode gold prospect . The gold was concentrated on top of bedrock beneath about 50 feet of muck, but it could not be worked at a profit.
Geologic map unit (-141.523027136001, 64.8728048706032)
Mineral deposit model Placer Au (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Quaternary.

Production and reserves

Workings or exploration Some coarse gold was found near the head of Rock Creek, but it could not be worked profitably (Ellsworth and Parker, 1911).
Indication of production Yes; small