Sourdough Creek

The Sourdough 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: Sourdough 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: Occurrence
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 (Workings): Workings / Exploration = Probably some exploration by pan or rocker before WWI.

Comment (Geology): Geologic Description = Collier and others (1908, plate X) describe Sourdough Creek as possibly auriferous over a 4- to 5-mile length on the Teller A-4 and Nome D-4 quadrangles. Collier panned one gold color on Sourdough Creek in 1901 (Collier and others, 1908, p. 220). In part on the basis of its location near the coastal plain and the stream's low relief, it is inferred that placer gold deposits would be of river-bar type with local enrichment in point bars and in inner curves of meanders, probably in association with black or ruby sand. Sourdough Creek probably reworks coastal plain deposits over its lower course, but its headwaters are in uplands underlain by a pelitic schist assemblage (Sainsbury, Hummel and Hudson, 1972).

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

Comment (Exploration): Status = Inactive

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

Comment (Geology): Age = Holocene.

References

Reference (Deposit): Sainsbury, C.L., Hummel, C.L., and Hudson, Travis, 1972, Reconnaissance geologic map of the Nome quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 72-326, 28 p., 1 sheet, 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.

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