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Davison Bay Nickel-Copper Prospect

Occurrence in Alaska, United States with commodities Nickel, Copper
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002339
MRDS ID A013253
Record type Site
Current site name Davison Bay Nickel-Copper Prospect

Geographic coordinates

Geographic coordinates: -136.31371, 57.78804 (WGS84)
Elevation 3
Relative position ON EAST SHORE NEAR HEAD OF DAVISON BAY

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka D-7 SW(quadrangle 1:24,000 scale)

Sitka NW(quadrangle 1:100,000 scale)

Sitka W OE(quadrangle 1:250,000 scale)

Federal lands

Tongass National Forest(National Forest)

National Forest UND(Type of land area)

UND(Federal land areas administered by UND)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 947-C, PLATE 15, FIG. 6, LOC. A. USGS MF-467, LOC. 16 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Nickel Critical Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pentlandite Ore
Pyrrhotite Ore
Plagioclase Gangue
Pyroxene Gangue

Analytical data

Result AVERAGE GRADE 1.5% NI, 0.8% CU-USGS B 947-C, P. 63

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro > Norite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro > Norite

Nearby scientific data

(1) -136.31371, 57.78804
ListMap

Economic information

Ore body information

  • General form POD
    Thickness 1.22M
    Length 9.75M
    Width 5.49M
    Depth to top 0M
    Depth to bottom 1.22M

Comments on the geologic information

  • NORITE BODY PART OF COMPOSITE STOCK INTRUDED INTO METAMORPHOSED GRAYWACKE AND GREENSTONE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911

Comments on the reserve resource information

  • RESERVES ESTIMATED TO BE NO MORE THAN A FEW TONS AT AVERAGE GRADE OF 1.5% NI, 0.8% CU-USGS 947-C, P. 63.

Comments on the workings information

  • 1 DIAMOND DRILL HOLE DRILLED BY USBM IN 1942. A SHALLOW SHAFT AND SEVERAL TRENCHES ALSO PRESENT.

Comments on development

  • DIAMOND DRILL HOLE DRILLED BY USBM IN 1942. NUMEROUS ACTIVE CLAIMS IN AREA AS OF 1977. NO PRODUCTION NOTED.

Reference information

Bibliographic references

  • Deposit

    USGS 947-C, P. 56-63, PL. 15 (1946)

  • Deposit

    USGS 936-I, P. 221-243 (1942)

  • Deposit

    USGS MF-467, LOC. 16 (1972)

  • Deposit

    USGS OF 78-450, P. 82-84 (1978)

  • Deposit

    USBM OFR 20-73, LOC. 153B (1978)

  • Other Database

    BAG-B-947-C-PL-15-FIG-6-A

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTS OF SEVERAL PODS OF PYRRHOTITE, PENTLANDITE, AND CHALCOPYRITE ARRANGED IN ERRATIC PATTERN IN NORITE BODY THAT CONTAINS SOME DISSEMINATED SULFIDES, SURROUNDED BY BARREN NORITE.
Deposit LUMPED INTO SAME DEPOSIT AS SI-16 (MIRROR HARBOR) AND SI-18 (EAST OF DAVISON BAY) BY COBB IN MF-467, LOC. 16 AND OF 78-450, P. 82-84. ; INFO.SRC : 1 PUB LIT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1987 Leonard, Kenneth R. (Huber, Donald F.) 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.