Spruce Creek

Mine, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale SO
Quadrangle map, 1:63,360-scale D-5
Latitude 64.879
Longitude -164.211
Nearby scientific data Find additional scientific data near this location
Location and accuracy Spruce Creek is a south tributary to the Casadepaga River; its mouth is about 2.5 miles upstream of the mouth of Big Four Creek. It is locality 64 of Cobb (1972, MF 445; 1978, OF 78-181).

Geologic setting

Geologic description

Spruce Creek cuts completely through the terrace of the Casadepaga River and flows on bedrock at its mouth. Sainsbury and others (1972) show placer tailings along the lower 0.7 miles of the creek. By 1907, an estimated $10,000 or about 400 ounces of gold had been recovered (Smith, 1910); 40 to 50 ounces were recovered in the first year of mining, 1899 (Brooks and others, 1901). The gold was bright and coarse, and primarily recovered over marble bedrock. Bedrock in Spruce Creek is primarily part of a lower Paleozoic metasedimentary assemblage (Till and others, 1986).
Geologic map unit (-164.213618913939, 64.8782612740134)
Mineral deposit model Placer Au-PGE (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Quaternary; the numerous incised terraces along the Casadepaga River indicate that more than one cycle of erosion and deposition has developed placer deposits in the area. The low elevations between 170 and 270 feet along the first 11 miles of the river, suggest that Quaternary sea level fluctuations could have influenced placer development.

Production and reserves

Workings or exploration Small-scale placer mining took place along the lower 0.7 miles of the creek prior to WW I.
Indication of production Yes; small

References