Rock Creek

Prospect in Alaska, United States with commodities Uranium, Thorium, Gold, Gold

Geologic information

Identification information

Deposit ID 10003184
MRDS ID A015721
Record type Site
Current site name Rock Creek
Related records 10208604

Geographic coordinates

Geographic coordinates: -161.05331, 65.4094 (WGS84)
Relative position This placer prospect is near the intersection of Rock Creek and a tractor trail marked on the Candle B-5 map. The site is about a mile above the mouth of the creek, in section 12, T. 1 S., R. 12 W., of the Kateel River Meridian. Cobb, 1972 (MF-389), location 35.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Uranium Tertiary
Thorium Tertiary
Gold Tertiary
Gold Secondary

Comments on the commodity information

  • Ore Material = uranothorianite

Materials information

Materials Type of material
Gold Ore

Nearby scientific data

(1) -161.05331, 65.4094

Comments on the geologic information

  • Geologic Description = Rock Creek probably was prospected for placer gold in the early 1900s. Uranothorianite was identified in placer concentrates collected in 1947 by the U.S. Geological Survey (Gault and others, 1953).
  • Age = Quaternary.

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Koyuk

Comments on the workings information

  • Workings / Exploration = In 1947 the U. S. Geological Survey sampled the placer to evaluate its radioactive mineral potential (Gault and others, 1953).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015721
USGS Alaska Resource Data File ARDF CA012

Bibliographic references

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Candle, Holy Cross, Norton Bay, Nulato, and Unalakleet quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-866, 102 p.

  • Deposit

    Gault, H.R., Killeen, P.L., West, W.S., and others, 1953, Reconnaissance for radioactive deposits in the northeastern part of the Seward Peninsula, Alaska, 1945-47 and 1951: U.S. Geological Survey Circular 250, 31 p.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Candle Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-389, 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Gault and others, 1953

General comments

Subject category Comment text
Deposit Model Name = Radioactive minerals in stream sediments.
Deposit Other Comments = Stream gradient approximately 100 feet per mile.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-JAN-00 Williams, Anita U.S. Geological Survey