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Nabesna

Past Producer in Alaska, United States with commodities Gold, Silver, Copper, Lead, Iron, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10000747
MRDS ID A011387
Record type Site
Current site name Nabesna
Alternate or previous names Nabesna Mining Corporation
Related records 10160968

Geographic coordinates

Geographic coordinates: -143.01839, 62.37663 (WGS84)
Relative position SEE LOCATION COMMENTS

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 B-5(quadrangle 1:63,360 scale)

Nabesna SW(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

Comments on the location information

  • BEST LOCATION: LOWE AND OTHERS, 1982, GQ-1566, LOC. M3; ON SOUTHEAST FLANK OF WHITE MTN. ACCURATE WITHIN 200 FT. RADIUS

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary
Lead Secondary
Iron Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • 10 TO 20 OZ/TON AU REPORTED "COMMON" IN LEAD CARBONATE ORES, USGS BULL 933, P. 189

Materials information

Materials Type of material
Anglesite Ore
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Andradite Gangue
Apatite Gangue
Brookite Gangue
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Gypsum Gangue
Quartz Gangue
Serpentine Gangue
Specularite Gangue
Sphene Gangue
Spinel Gangue
Vesuvianite Gangue
Wollastonite Gangue
Magnetite Unknown

Alteration

  • (Local) Oxidation Effective To Depth Of Several Tens Of Ft; Locally Extends To More Than 350 Ft In Depth.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Nabesna Limestone
    Rock description Nabesna Limestone

Nearby scientific data

(1) Keg
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1925
Discoverer Carl F. Whitham
Year of first production 1931
Year of last production 1940

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Production statistics

  • Year 1931
    Accuracy Accurate
  • Year 1932
    Accuracy Accurate
  • Year 1933
    Accuracy Accurate
  • Year 1934
    Accuracy Accurate
  • Year 1935
    Accuracy Accurate
  • Year 1936
    Accuracy Accurate
  • Year 1937
    Accuracy Accurate
  • Year 1938
    Accuracy Accurate
  • Year 1939
    Accuracy Accurate
  • Year 1940
    Accuracy Accurate

Comments on the production information

  • NABESNA MINE PRODUCED ABOUT 1.66 MILLION GRAMS AU, MINOR AG AND CU.

Comments on the workings information

  • SEVERAL ADITS, 368 FT OF SURFACE CUTS, 9224 FT OF DRIFTS, 6209 FT OF RAISES (REPORTED INACCESSIBLE IN 1952), AND 9,999 FT OF DRILL HOLES BY 1940. APPARENTLY MINED OUT AND THE MILL AND AERIAL TRAMWAY MOSTLY DESTROYED BY 1997. FIVE-FOOT SAMPLE ACROSS BEAR VEIN ASSAYED 10.39 OZ./T AU, 12.70 OZ./T AG, 1.67% PB, 0.15% CU AND FIVE-FOOT SAMPLE ALONG LIMESTONE/DIORITE CONTACT ASSAYED 0.10 OZ./T AU, 1.8 OZ./T AG, 4.2% CU. MORE ASSAY DATA ARE AVAILABLE IN PILGRIM, E. R., 1931. SURFACE AND UNDERGROUND WORKINGS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THREE TYPES OF MINERAL DEPOSITS: (1) PRINCIPAL ORE: AURIFEROUS PYRITE-CALCITE VEINS CARRYING CHALCOPYRITE, SPHALERITE AND GALENA IN ORE SHOOTS RANGING FROM A FEW IN TO 35 FT IN WIDTH; AVERAGE WIDTH 5 TO 7 FT; QUARTZ REPLACES CALCITE AS GANGUE IN UPPER PORTIONS OF VEINS; (2) BODIES OF MASSIVE MAGNETITE ON THE ORDER OF 50 FT BY 100 FT CARRYING PYRITE, CALCITE AND SOME GOLD; (3) VEINS AND MASSES OF PYRRHOTITE CONTAINING DISSEMINATED PYRITE, CHALCOPYRITE AND SOME GOLD; MINE IS AT CONTACT OF UPPER TRIASSIC LIMESTONE AND A SMALL IRREGULAR CRETACEOUS QUARTZ DIORITE STOCK ASSOCIATED WITH NUMEROUS SATELLITE DIKES OF QUARTZ DIORITE AND MINOR QUARTZ MONZONITE. ORE BODIES AND TACTITE FORMED IN LIMESTONE ALONG EAST CONTACT OF STOCK, LARGE AREA OF MINOR INTRUSIVE ROCK AND EXTENSIVE TACTITE LIES JUST SOUTH OF THE PRINCIPAL ORE BODIES. MASSIVE OXIDE-SULFIDE BODIES CHIEFLY PYRITE AND MAGNETITE WITH MINOR CHALCOPYRITE, GALENA, SPHALERITE, ARSENOPYRITE, STIBNITE, AND GOLD. PYRITE VEINS FORMED BY
Deposit REPLACEMENT OF LIMESTONE ALONG PRE-EXISTING FRACTURES; AND CONTAIN DISSEMINATED TO SMALL MASSES OF CHALCOPYRITE, GALENA, SPHALERITE, MAGNETITE, PYRRHOTITE, ARSENOPYRITE, STIBNITE, AND GOLD. PRINCIPAL MINING AT NABESNA FROM ABOUT 1930 TO 1941. SEVERAL HUNDRED METERS OF WORKINGS. SEVERAL EPISODES OF EXPLORATION SINCE 1960.
Deposit SITE OF RECENT EXPLORATION. NO RECORDED PRODUCTION FROM ANY OTHER LODE DEPOSIT IN THE DISTRICT (COBB, 1973, B 1374, P. 115). SEE ALSO: GOLDEN EAGLE CLAIMS, ROYAL DEVELOPMENT COMPANY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-85 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey ARDF AND MRDS MERGED RECORD
Updater 01-JAN-97 Leonard, Kenneth R. (Nokleberg, Warren J.) U.S. Geological Survey
Editor 06-MAR-98 Mason, George U.S. Geological Survey

Beyond USGS

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

External references

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.