Bryan Creek

Prospect in Alaska, United States with commodities Copper, Gold

Geologic information

Identification information

Deposit ID 10000790
MRDS ID A011435
Record type Site
Current site name Bryan Creek
Related records 10161524

Geographic coordinates

Geographic coordinates: -141.94556, 62.03609 (WGS84)
Relative position Best location: Richter and Jones, 1973, USGS I-749; tributary to Chisana River just south of Chathenda Cr. Accurate within 100 ft radius
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Geographic areas

Country State
United States Alaska


Commodity Importance
Copper Primary
Gold Primary

Comments on the commodity information

  • Ore Material = Copper (native)

Materials information

Materials Type of material
Gold Ore
Copper 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) -141.94556, 62.03609

Comments on the geologic information

  • Geologic Description = Abundant copper nuggets and some gold in stream gravels, especially on false clay bedrock

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • Workings / Exploration = Type of workings: surface

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011435
USGS Alaska Resource Data File ARDF NB076

Bibliographic references

  • Deposit

    Brooks, A.H., 1915, Mineral resources of Alaska in 1914: U.S. Geological Survey Bulletin 622, 238 p.

  • Deposit

    Moffit, F.H., 1954, Geology of the eastern part of the Alaska Range and adjacent area: U.S. Geological Survey Bulletin 989-D, p. 63-218.

  • Deposit

    Richter, D.H., and Jones, D.L., 1973, Reconnaissance geologic map of the Nabesna A-2 quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-749, scale 1:63,360.

  • Deposit

    Richter, D.H., Singer, D.A., and Cox, D.P., 1975, Mineral resources map of the Nabesna quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-655-K, scale 1:250,000.

  • Deposit

    U.S. Bureau of Mines, 1995, Spatial data extracted from the Minerals Availability System/Minerals Industry Location System (MAS/MILS): U. S. Bureau of Mines Special Publication 12-95, CD-ROM.

General comments

Subject category Comment text
Deposit Model Name = Placer: stream
Deposit Other Comments = Cu nuggets also found in Bonanza and Chathenda Creeks

Reporter information

Type Date Name Affiliation Comment
Reporter 30-JAN-1997 Leonard, K.R. U.S. Geological Survey
Reporter 30-JAN-1997 Elliott, R.L. U.S. Geological Survey
Reporter 30-JAN-1997 D.Singer U.S. Geological Survey
Reporter 30-JAN-1997 Richter, D.H. U.S. Geological Survey