Jefferson Creek

Mine, Undetermined

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale EA
Quadrangle map, 1:63,360-scale A-1
Latitude 64.1472
Longitude -141.4864
Nearby scientific data Find additional scientific data near this location
Location and accuracy Jefferson Creek is a small north tributary of Jack Wade Creek (EA144). The coordinates correspond to an arbitrarily chosen point on the lower part of Jefferson Creek, in section 4, T. 27 N., R. 20 E., of the Copper River Meridian. This site is locality 100 of Burleigh and Lear (1994).

Geologic setting

Geologic description

Bedrock in Jefferson Creek consists of Paleozoic amphibolite-facies metamorphic rocks that have been intruded by plutons and dikes of Jurassic age (Foster, 1976; Szumigala and others, 2002). Placer workings are present near the mouth of the creek. Jefferson Creek was mined for placer gold in 1990 (Swainbank and others, 1991).
Geologic map unit (-141.488685273786, 64.1468810398481)
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 Jefferson Creek was mined for placer gold in 1990 (Swainbank and others, 1991).
Indication of production Yes

References