Coal Creek

The Coal Creek is a gold mine located in Alaska.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

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Site Name

Primary: Coal Creek

Commodity

Primary: Gold

Location

State: Alaska
District: Nome

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Model Name: Placer Au-PGE

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Gold

Comments

Comment (Reference): Primary Reference = Collier and others, 1908

Comment (Workings): Workings / Exploration = Some small-scale surface placer gold workings are present. An adit was used to prospect coal beds in the area.

Comment (Geology): Geologic Description = The Coal Creek placer gold mine is developed on graphitic schist and coal-bearing Tertiary sedimentary rocks that may be downfaulted against schist. Herreid (1970, figure 1, p. 10) described the Tertiary sedimentary rocks as conglomerate with marble and schist fragments; coal beds are present in these sediments along Coal Creek. Collier and others (1908, p. 84) reported that the coal-bearing strata along Coal Creek had a northwest strike and dipped southwest at about 30 degrees. An adit driven in the west bank of Coal Creek crosscut layers of bitiminous coal about 16 inches thick that are separated and floored by fire clay layers. They proposed that the coal basin probably covered about one-half of a square mile.? Placer gold was found in the gravels of Coal Creek as the creek was being prospected for coal (Collier and others, 1908, p. 217). Hydraulic mining was proposed for the creek with water from a source in the Kigluaik Mountains but was apparently never undertaken on a large scale. Some placer gold here may have been derived from reworking of the Tertiary sedimentary rocks.

Comment (Exploration): Status = Inactive

Comment (Deposit): Model Name = Alluvial placer Au (Cox and Singer, 1986; model 39a).

Comment (Geology): Age = Quaternary; gold may have been derived by rewoking of Tertiary sedimentary rocks.

References

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.

Reference (Deposit): Collier, A. J., Hess, F.L., Smith, P.S., and Brooks, A.H., 1908, The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts: U.S. Geological Survey Bulletin 328, 343 p.

Reference (Deposit): Herreid, G.H., 1970, Geology and geochemistry of the Sinuk area, Seward Peninsula, Alaska: Alaska Division of Mines and Minerals Geologic Report 36, 61 p., 3 sheets, scale 1:42,000.

Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.

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