First Basin

Mine, Probably inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale SD
Quadrangle map, 1:63,360-scale C-4
Latitude 57.59574
Longitude -133.33224
Nearby scientific data Find additional scientific data near this location
Location and accuracy Spruce Creek has been explored for placer gold for most of it length and some parts of it have been mined. Probably the most extensive workings are in what is called the 'First Basin', about one-quarter mile upstream from the mouth of Spruce Creek. The mine is about 0.3 mile north of the center of section 26, T. 49 S., R. 75 E.

Geologic setting

Geologic description

Placer gold was discovered near Windham Bay in 1869, probably in Spruce Creek (Spencer, 1906; Kimble and others, 1984). There was placer mining intermittently on Spruce Creek until the 1950s but most of the production took before 1900 and in the early part of the 20th century. Most of the mining took place in what are called the First and Second Basins. There are no records but the total production from Spruce Creek is probably small.
The First Basin is about a quarter mile from tidewater where a bedrock ridge dammed a considerable amount of auriferous gravel. The basin is probably of glacial origin and the basin was originally filled with more than 50 feet of coarse-grained gravel and boulders deposited over blue clay with marine fossils. A mine plant was installed in the First Basin in 1888 and considerable gravel was sluiced through a tunnel through the bedrock dam at the mouth of the basin. Small-scale mining probably continued intermittently for years and the claims in the First Basin were patented before 1900.
Geologic map unit (-133.333947338101, 57.5953996456635)
Mineral deposit model Placer gold (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Probably Quaternary.

Production and reserves

Workings or exploration A mine plant was installed in the First Basin in 1888 and considerable gravel was sluiced through a tunnel through the bedrock dam at the mouth of the basin. Small scale mining probably continued intermittently for years and claims in First Basin were patented before 1900.
Indication of production Yes; small
Production notes There are no records but the total production from Spruce Creek is probably small.

Additional comments

Although placer claims along Spruce Creek were patented as early as 1900, the surrounding area is now part of the Chuck River Wilderness Area which is closed to prospecting and mining.

References

MRDS Number A013354

References

Redman, Earl, 1988, History of the mines and miners in the Juneau gold belt: Juneau, Alaska, privately printed, 294 p.
Reporters Donald Grybeck (U.S. Geological Survey)
Last report date 10/8/2004