1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Unnamed (near Big John Bay)

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

Geologic information

Identification information

Deposit ID 10308036
Record type Site
Current site name Unnamed (near Big John Bay)

Geographic coordinates

Geographic coordinates: -133.6569, 56.77373 (WGS84)
Relative position Group of about 100 claims about two miles south of the head of Big John Bay. Coordinates are for the approximate center of the claims (U. S Bureau of Mines, 1980 and unpublished Alaska Department of Natural Resources Kardex file). Locality 11 of Grybeck, Berg, and Karl (1984).

Site location context

Political divisions (FIPS codes)

Wade Hampton(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Petersburg D-5(quadrangle 1:63,360 scale)

Port Alexander NE(quadrangle 1:100,000 scale)

Petersburg(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Nearby scientific data

(1) -133.6569, 56.77373
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = One hundred claims staked in 1978-1979; apparently not active since then. The country rocks in the area of these claims are Tertiary nonmarine sedimentary rocks, and extrusive and intrusive Quaternary or Tertiary basalt flows and rhyolite (Brew and others, 1984).

Economic information about the deposit and operations

Development status Prospect

Comments on exploration

  • Status = Probably inactive

Mining district

District name Kupreanof

Comments on the production information

  • Production Notes = Almost certainly none.

Comments on the workings information

  • Workings / Exploration = No record of exploration beyond the staking of the claims themselves.

Reference information

Bibliographic references

  • Deposit

    U.S. Bureau of Mines, 1980, Claim map, Petersburg quadrangle, Alaska: U.S. Bureau of Mines Map 117, 1 sheet, scale 1:250,000.

  • Deposit

    Brew, D. A., Ovenshine, A. T., Karl, S. M., and Hunt, S. J., 1984, Preliminary reconnaissance geologic map of the Petersburg and parts of the Port Alexander and Sumdum 1:250,000 quadrangles, southeastern Alaska: U.S. Geological Survey Open-File Report 84-405, 43 p., 2 sheets, scale 1:250,000.

  • Deposit

    Grybeck, D.J., Berg, H.C., and Karl, S.M., 1984, Map and description of the mineral deposits in the Petersburg and eastern Port Alexander quadrangles: U.S. Geological Survey Open-File Report 84-837, 86 p., 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = U. S. Bureau of Mines, 1980

General comments

Subject category Comment text
Deposit Model Name = Unknown

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-98 H.C. Berg and D.J. Grybeck U.S. Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Alaska resources

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