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  3. Mineral Resource Data System (MRDS)

Judd Harbor Duke Island

Prospect in Alaska, United States with commodities Chromium, Iron, Nickel
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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. Mining district
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10136786
MRDS ID A002685
MAS/MILS ID 0021220003
Record type Site
Current site name Judd Harbor Duke Island
Alternate or previous names Kelp Island, Judd Harbor
Related records 10136985

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -131.29254, 54.89944 (WGS84)
Elevation 50
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Prince of Wales-Hyder(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Prince Rupert D-4(quadrangle 1:63,360 scale)

Duke Island(quadrangle 1:100,000 scale)

Prince Rupert(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ketchikan(hydrologic unit)

Southern 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

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 080 S 094 E 29 SW Alaska

Commodities

Commodity Importance
Chromium Critical Primary
Iron Tertiary
Nickel Critical Tertiary

Nearby scientific data

Ore Body (1) -131.29254, 54.89944
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Ketchikan District

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Ownership

    ALASKA KARDEX 122-015

  • Ownership

    ALASKA KARDEX 122-016

  • Deposit

    MI122-2

  • Deposit

    B1246 p. 183

  • Deposit

    MF437

  • Deposit

    GSA MEM 138

  • Deposit

    E&MJ 7905 p. 85, No. 239

  • Deposit

    OF80-1053 p. 137

  • Deposit

    OF82-719 p. 10, No. 262

  • Deposit

    MTA 82 No. F-77

  • Deposit

    IC8869

  • Deposit

    ROEHM, J.C., AK.TER.DEP.MINES, ITIN.RPT., 6/11-, 1946

  • Deposit

    IRVINE, T.N., 1959, UNPUB PHD THESIS (CAL TECH)

  • Deposit

    SALEEBY, J.B., 1992, CAN. J. EARTH SCI., V. 29, PP. 506-522

Comments on the references

  • TAYLOR&NOBLE, 1960, 21 INT. G. CON., COPENHAGEN, P. 175-187.

General comments

Subject category Comment text
Deposit USGS CRIB M045394 ALL ACTIVITY BETWEEN 1955 AND 1957. TOTAL WORK IS 1 DIAMOND DRILL HOLE. ONE OF TWO LARGE ULTRAMAFIC COMPLEXES ON DUKE ISLAND. LOCATION APPROXIMATED NEAR CENTER OF ULTRAMAFIC COMPLEX. USGS CRIB M045394

Reporter information

Type Date Name Affiliation Comment
Reporter 25-MAR-1993 Peb 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.