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Nunatak

Prospect in Alaska, United States with commodities Copper, Gold, Iron, Molybdenum, Silver
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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. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10112596
MRDS ID A013175
MAS/MILS ID 0021110050
Record type Site
Current site name Nunatak
Alternate or previous names John Johnson, Hoonah, Tom Smith, Juneau, Triton & Triton No. 1, S.H.P. Vevelstad, George Comstock, Triton Nos. 2-20, Carl Vevelstad, Independence Day No. 1-9, 11, 13-16, Nuna Nos. 1-30, Nuna Nos. 34-38, Walper, Keevil Mining Group Ltd., Wallace Martin, Nunatak Peak Area, Walper & Keevil, Shesapeake & Selco, J.A. Walper, C.R. Nordling, Anthony J Thomas, Climax Molybdenum Co, Anadarko Production Co., Ambassador Oil Corporation, M.A. Kaufman, Amballador Nos. 1-26, Muir Nos. 1-56, Superior Oil Co., George Moerlein, O.K. Nos. 1-4
Related records 10096789

Geographic coordinates

Point of reference Claim
Geographic coordinates: -136.1021, 58.98863 (WGS84)
Elevation 335
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Fairweather D-1(quadrangle 1:63,360 scale)

Juneau NW(quadrangle 1:100,000 scale)

Mount Fairweather(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Glacier Bay(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Glacier Bay National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 033 S 056 E 20 NWSESE Alaska

Commodities

Commodity Importance
Copper Primary
Gold Primary
Iron Primary
Molybdenum Primary
Silver Primary

Materials information

Materials Type of material
Actinolite Unknown
Albite Unknown
Alunite Unknown
Andesine Unknown
Apatite Unknown
Biotite Unknown
Bornite Unknown
Calcite Unknown
Chalcopyrite Unknown
Chert Unknown
Chlorite Unknown
Clinozoisite Unknown
Diopside Unknown
Enargite Unknown
Epidote Unknown
Feldspar Unknown
Garnet Unknown
Hornblende Unknown
Magnetite Unknown
Malachite Unknown
Molybdenite Unknown
Montmorillonite Unknown
Oligoclase Unknown
Orthoclase Unknown
Phlogopite Unknown
Plagioclase Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Sphene Unknown
Tetrahedrite Unknown
Zoisite Unknown

Nearby scientific data

Claim (1) -136.1021, 58.98863
ListMap

Economic information

Ore body information

  • Strike N30E
    Dip 70S
    Thickness 364M
    Length 400M
    Width 600M
    Area 100HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 IRREGULAR
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N30E:70S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 100
    Date of Last Modification 860926

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1941

Mining district

District name Juneau District

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category National Wilderness

Ownership information

  • Type Owner
    Owner U.S. National Park Service
    Year 1984

Reserves and resources

  • Type In-situ
    Estimate year 1971
    Total resources 2038400mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum MoS2 0.026 wt-pct Molybdenum Major 1971
    Copper Cu 0.018 wt-pct Copper Major 1971
  • Type In-situ
    Estimate year 1971
    Total resources 117510000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum MoS2 0.067 wt-pct Molybdenum Major 1971
    Copper Cu 0.016 wt-pct Copper Major 1971
  • Type In-situ
    Estimate year 1978
    Indicated 7438900mt ore
    Demonstrated 7438900mt ore
    Inferred 8255400mt ore
    Total resources 15694300mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.06 wt-pct Molybdenum Major 1978
    Copper Cu 0.02 wt-pct Copper Major 1978
  • Type In-situ
    Estimate year 1978
    Indicated 124280000mt ore
    Demonstrated 124280000mt ore
    Total resources 124280000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.04 wt-pct Molybdenum Major 1978
    Copper Cu 0.02 wt-pct Copper Major 1978

Workings at the site

  • Type of workings Surface
    Area 2.2HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method QUARRY
    Avg. Overburden Thickness 0
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 6
    Max. Pit Slope (degrees) 45
    Capacity 1815
    Capacity Units MT ORE/DAY
    Unit Production Cost .56
    Units of Production $/MT ORE
    Operating Days per Year 220
    Operating Shifts per Day 2
    Year of Information 1975
  • Type of workings Underground
    Length 964M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method SHRINKAGE METHODS
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Avg. Length of Adits (m) 480
    Number of Adits 1
    1st Condition of Workings OPEN
    Capacity 181
    Capacity Units MT ORE/DAY
    Unit Production Cost 12.35
    Units of Production $/MT ORE
    Operating Days per Year 220
    Operating Shifts per Day 2
    Year of Information 1975

Reference information

Bibliographic references

  • Ownership

    ALASKA KARDEX 111-020

  • Ownership

    ALASKA KARDEX 111-041

  • Ownership

    ALASKA KARDEX 111-050

  • Ownership

    ALASKA KARDEX 111-051

  • Ownership

    ALASKA KARDEX 111-057

  • Reserve-Resource

    P632 p. 1

  • Reserve-Resource

    OF78-494 p. C294

  • Deposit

    MR111-1 pp. 56-57

  • Deposit

    ECON G 3801 pp. 56-57

  • Deposit

    B926C pp. 178-180

  • Deposit

    WAR MINERALS REPORT300

  • Deposit

    WAR MINERALS REPORT40

  • Deposit

    B947B pp. 9-18

  • Deposit

    RI4421 pp. 1-6

  • Deposit

    IC7844 p. 12

  • Deposit

    B1139 p. 193

  • Deposit

    B1121K p. 49

  • Deposit

    MR111-2

  • Deposit

    B1246 p. 163

  • Deposit

    OF280

  • Deposit

    MIRL 28 p. 150

  • Deposit

    P632

  • Deposit

    MF436

  • Deposit

    OF78-374 pp. 42-45

  • Deposit

    OF78-494 pp. C274-C295, plates 1A, 1B, 2

  • Deposit

    OF81-122

  • Deposit

    MTA 82 No. F-10

Comments on the references

  • RATAJ, 1975, NOS. 238, 251 (BM UNPB NOTES)

Reporter information

Type Date Name Affiliation Comment
Reporter 18-MAY-1992 Rdc 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.