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Gilmore Creek Placer

Producer in Alaska, United States with commodities Gold, Bismuth, Tungsten
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Geologic information

Identification information

Deposit ID 10107552
MRDS ID A015334
Record type Site
Current site name Gilmore Creek Placer
Related records 10233910

Geographic coordinates

Geographic coordinates: -147.50295, 64.97745 (WGS84)
Relative position 11-13 MILES NNE OF FAIRBANKS
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-410, LOC. 55. TAILINGS MARKED ON FAIRBANKS (D-1, 2). COORDINATES GIVEN FOR CENTER OF PLACER GROUND. JOINS PEDRO CREEK TO FORM GOLDSTREAM CREEK. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Bismuth Tertiary
Tungsten Tertiary

Materials information

Materials Type of material
Bismuth Ore
Gold Ore
Scheelite Unknown

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -147.50295, 64.97745
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Comments on the geologic information

  • IN PLACES BENCH TO NORTH OF CREEK IS SEPERATED FROM THE VALLEY FLOOR BY A ROCK RIM. CREEK DRAINS AREA WITH LODE SCHEELITE IN CONTACT METAMORPHOSED LIMESTONE AND GOLD-BEARING QUARTZ VEINS NEAR PORPHYRITIC GRANITE INTRUSIVE BODY. VALLEY FLOOR AT MOUTH IS ABOUT 1,000 FT. WIDE, NARROWING RAPIDLY UPSTREAM. ; MAJOR.UNITS: BEDROCK IS MAINLY QUARTZ-MICA SCHIST, MUCH OF IT IS CARBONACEOUS.

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1905

Mining district

District name Fairbanks

Comments on development

  • MINED FROM 1905 TO AT LEAST 1975. DREDGE TAILINGS IN LOWER VALLEY.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015334

Bibliographic references

  • Deposit

    USGS MF-410 (D-1, 2), LOC. 55

  • Deposit

    USGS BULL 337, P. 39-40

  • Deposit

    USGS BULL. 284, P. 115, 118.

General comments

Subject category Comment text
Deposit STREAM GRADIENT ABOUT 100 FT. PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit GOLD IN STREAM PLACER AND IN BENCH PLACER TO NORTH OF CREEK. GOLD, SOME INTERGROWN WITH BISMUTH, IN LOWER 2 FT. OF GRAVEL, ON BEDROCK, AND IN CRACKS IN TOP 3 TO 4 FT OF BEDROCK. ALLUVIUM 50 TO 60 FT. THICK AT MOUTH AND A FEW FEET THICK AT HEAD. MOST OF ALLUVIUM IS MUCK. BENCH TO NORTH OF CREEK MINED IN AT LEAST 3 PLACES. PAYSTREAK 30 TO 40 FT. WIDE, BUT IN PLACES IT ATTAINS A WIDTH OF 100 FT. ABUNDANT PLACER SCHEELITE.

Reporter information

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