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Columbia Prospect

Occurrence in Alaska, United States with commodity Tungsten
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Geologic information

Identification information

Deposit ID 10002825
MRDS ID A015297
Record type Site
Current site name Columbia Prospect
Related records 10281889

Geographic coordinates

Geographic coordinates: -147.51128, 64.95523 (WGS84)
Location accuracy 1000(meters)
Relative position 10 MILES NE OF FAIRBANKS
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-410, LOC. 29. DEPOSIT AT THE HEAD OF STEELE CREEK, SE OF SPRUCE HEN GROUP. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Tungsten Primary

Materials information

Materials Type of material
Scheelite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -147.51128, 64.95523
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Comments on the geologic information

  • SCHEELITE LODE CUT BY 1 FT. QUARTZ VEIN. DEPOSIT ALONG WESTERN PERIPHERY OF LARGE MASS OF PORPHYRITIC GRANITE.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Fairbanks

Comments on the workings information

  • WORKINGS IN 1932 CONSISTED OF 2 ADITS, 2 SHAFTS, A PIT, AND 4 TRENCHES; ALL CAVED.

Comments on development

  • PROSPECTED BY A 130 FT. LONG TUNNEL. IN 1916 AN ADIT WAS DRIVEN 80 FT. AND A SMALL MINING PLANT WAS INSTALLED; NO PRODUCTION REPORTED.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015297

Bibliographic references

  • Deposit

    USGS MF-410 (D-2) LOC. 29

  • Deposit

    USGS BULL 662, P. 422-423

  • Deposit

    USGS BULL. 1024-I, P. 201, 205-206.

General comments

Subject category Comment text
Deposit LODE IS SCHIST CONTAINING A 3 FT. ZONE OF SCHEELITE-BEARING STRINGERS WITH PORPHYRITIC GRANITE HANGING WALL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1987 Powers, M.T. (Huber, D.F.) U.S. Geological Survey