Bryan Creek

Prospect in Alaska, United States with commodities Copper, Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

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

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nabesna A-2(quadrangle 1:63,360 scale)

Nabesna SE(quadrangle 1:100,000 scale)

Nabesna(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Wrangell-St. Elias National Preserve(National Preserve)

National Preserve NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Commodities

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
Deposit model name Placer Au-PGE
Mark3 model number 54

Nearby scientific data

(1) -141.94556, 62.03609

Economic information

Comments on the geologic information

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

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

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.