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  3. Mineral Resource Data System (MRDS)

Cobol Prospect

Prospect in Alaska, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10233694
MRDS ID A013289
MAS/MILS ID 0021140026
Record type Site
Current site name Cobol Prospect
Alternate or previous names Slocum Grunter, Island Cove, Slocum Arm Mining Company, Cox-Bolyan Prospect
Related records 10002371

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -135.87141, 57.49411 (WGS84)
Elevation 170
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Sitka(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka B-6(quadrangle 1:63,360 scale)

Sitka SW(quadrangle 1:100,000 scale)

Sitka(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)

West Chichagof-Yakobi Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 050 S 059 E 36 NWSWNE Alaska

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Main Entrance (1) -135.87141, 57.49411
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Wilderness

Ownership information

  • Type Owner-Operator
    Owner John T. Brockway
    Interest 100
    Home office Alaska
    Year 1977

Reference information

Bibliographic references

  • Ownership

    ALASKA KARDEX 114-009

  • Deposit

    B797a p. 11

  • Deposit

    ADGS AR 1931 pp. 28-29

  • Deposit

    IR JCR 360629 pp. 5-6

  • Deposit

    IR JCR 380421 p. 2

  • Deposit

    PE114-7

  • Deposit

    B910A p. 19

  • Deposit

    B929 pp. 139-140

  • Deposit

    IR JCR 470703 pp. 4-9

  • Deposit

    B1246 p. 142

  • Deposit

    MF467

Comments on the references

  • WILLIAMS, 1928, 3P. (AJ REPORT-SEE BACK-UP FILE)

General comments

Subject category Comment text
Deposit 8 CLAIMS STAKED 1925. ACTIVE TO PRESENT (1977). WORKINGS: 580FT ADIT & 1514FT ADIT. COMPOSED OF AURIFEROUS QTZ VEINS IN FAULT IN GRAYWACKE IN WATERFALL GREENSTONE FORMATION. LONEY & OTHERS, 1975, PLATE 1 & 4 (P 792) GEOLOGIC MAP.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-JUL-1995 Map U.S. Bureau of Mines

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.