Nelson Creek

Occurrence in Alaska, United States with commodities Gold, Silver

Geologic information

Identification information

Deposit ID 10001893
MRDS ID A012719
Record type Site
Current site name Nelson Creek

Geographic coordinates

Geographic coordinates: -163.1934, 65.84937 (WGS84)
Relative position Nelson Creek is a small north tributary to Old Glory Creek; the mouth of Nelson Creek is 6,500 feet upstream of the confluence of Old Glory Creek and American Creek. Old Glory Creek is a southwest tributary to Pinnell River. This is part of locality 72 of Cobb (1972; MF 417; 1975; OFR 75-429).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Clay Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Schist is bleached locally and crosscut by a zone of clay alteration.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -163.1934, 65.84937

Comments on the geologic information

  • Geologic Description = An abandoned placer cut on a north bench just above the mouth of Nelson Creek exposes schist bedrock containing quartz segregations and boudins. A sample of boudined quartz and some enclosing schist assayed 0.02 ounces/ton Au, 0.10 ounces/ton Ag, 0.05 % Cu, 0.05 % Pb, and 0.05 % Zn (Herried, 1966, Table 1). Herried (1966) also reported this analytical result as $0.70 per ton gold (not 0.70 ounces/ton Au as restated by Cobb, 1975, and Hudson and others, 1977). The bedrock here is locally bleached and cut by a clay altered zone. Bedrock of the area is a metasedimentary schist and marble sequence of Lower Paleozoic age (Till and others, 1986).
  • Age = Epigenetic mineralization in metamorphic rocks of Seward Peninsula is primarily of Cretaceous age. Some lode gold deposits on southern Seward Peninsula are mid-Cretaceous in age (see Midnight Mountain, BN047).

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Fairhaven

Comments on the workings information

  • Workings / Exploration = An abandoned placer cut on a north bench just above the mouth of Nelson Creek exposes schist bedrock containing quartz segregations and boudins.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012719
USGS Alaska Resource Data File ARDF BN059

Bibliographic references

  • Deposit

    Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Bendeleben quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-429, 123 p.

  • Deposit

    Hudson, T.L., Miller, M. L., and Pickthorn, W. J., 1977, Map showing metalliferous and selected nonmetalliferous mineral deposits, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 77-796-B, 46 p., one sheet, scale 1:1,000,000.

  • Deposit

    Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Bendeleben quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-417, 1 sheet, scale 1:250,000.

  • Deposit

    Herried, G.H., 1966, The geology and geochemistry of the Inmachuk River map area, Seward Peninsula, Alaska: Alaska Division of Mines and Minerals Geological Report 23, 25 p., 1 sheet, scale 1:63,360.

Comments on the references

  • Primary Reference = Herried, 1966

General comments

Subject category Comment text
Deposit Model Name = Quartz veins and segregations in metasedimentary rocks.

Reporter information

Type Date Name Affiliation Comment
Reporter 15-MAR-1999 Travis L. Hudson Applied Geology