Boulder Creek

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

Geologic information

Identification information

Deposit ID 10003185
MRDS ID A015722
Record type Site
Current site name Boulder Creek
Related records 10282244

Geographic coordinates

Geographic coordinates: -161.06331, 65.3894 (WGS84)
Relative position This placer prospect is on Boulder Creek near the intersection of a tractor trail marked on Candle B-5 quadrangle. The site is about a mile above the mouth of the creek, in section 23, T. 1 S., R. 12 W., of the Kateel River Meridian. Cobb, 1972 (MF-389), location 36.
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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

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) -161.06331, 65.3894

Comments on the geologic information

  • Geologic Description = Stream and bench gravels have been prospected or placer mined for gold. In 1947, uranothorianite was collected from concentrate samples (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 = Pan concentrate samples collected and analyzed for uranium content by U.S. Geological Survey (Gault and others, 1953).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015722
USGS Alaska Resource Data File ARDF CA010

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

    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.

  • 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.

Comments on the references

  • Primary Reference = Gault and others, 1953

General comments

Subject category Comment text
Deposit Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a).
Deposit Other Comments = Stream gradient approximately 100 feet per cubic mile.

Reporter information

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