Big Jim Creek

Past Producer in Alaska, United States with commodities Gold, Copper

Geologic information

Identification information

Deposit ID 10001391
MRDS ID A012133
Record type Site
Current site name Big Jim Creek
Alternate or previous names Suklak Creek
Related records 10185017

Geographic coordinates

Geographic coordinates: -149.05331, 67.52972 (WGS84)
Relative position Big Jim Creek is a west-flowing tributary into the southern lake of Twin Lakes, which are approximately 15 miles west of Chandalar. The location (SW1/4 sec. 2, T. 31 N., R. 7 W., of the Fairbanks Meridian) approximately coincides with locality 7 in DeYoung (1978). The location is accurate within a 1-mile radius.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Gold Primary
Copper Secondary

Materials information

Materials Type of material
Copper Ore
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
BC deposit profile C01. C02
Deposit model name Placer Au-PGE
Mark3 model number 54

Nearby scientific data

(1) -149.05331, 67.52972

Comments on the geologic information

  • Geologic Description = This small placer mine produced native copper nuggets as well as gold (Reed, 1938). The amount of production is unknown, but it was probably quite small.
  • Age = Quaternary.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Koyukuk

Comments on the production information

  • Production Notes = Small-scale placer mining for gold probably was sufficiently productive to cover wages.

Comments on the workings information

  • Workings / Exploration = Worked by rocker and panning as late as 1937. No further information available.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012133
USGS Alaska Resource Data File ARDF CH056

Bibliographic references

  • Deposit

    Dillon, J.T., 1982, Source of lode and placer gold deposits of the Chandalar and upper Koyukuk Districts: Alaska Division of Geological and Geophysical Surveys Open-File Report 158, 25 p., 1 sheet, scale 1:250,000.

  • Deposit

    DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-457, 1 sheet, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p.

Comments on the references

  • Primary Reference = Reed, 1938

General comments

Subject category Comment text
Deposit Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Deposit Other Comments = Suklak Creek is the old name for this stream, and it was worked by 'Big Jim' Edwards. Much of the information in the primary reference is hearsay.

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1999 J.M. Britton U.S. Geological Survey