Caribou Creek Placer

Past Producer in Alaska, United States with commodities Gold, Tin, Tungsten, Bismuth
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. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10001702
MRDS ID A012484
Record type Site
Current site name Caribou Creek Placer
Related records 10160424

Geographic coordinates

Geographic coordinates: -145.71925, 64.68414 (WGS84)
Location accuracy 100(meters)
Relative position TRIBUTARY TO SALCHA RIVER, Accurate Reference Point In Placered Area

Site location context

Political divisions (FIPS codes)

Fairbanks North Star(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Big Delta C-4(quadrangle 1:63,360 scale)

Big Delta NE(quadrangle 1:100,000 scale)

Big Delta C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • CONFLUENCE OF CARIBOU CREEK AND RIGHT LIMIT TRIBUTARY ABOUT 1 MI ABOVE MOUTH; DREDGE OPERATED OVER MOST OF THE LENGTH OF STREAM, A DISTANCE OF ABOUT 4-5 MILES 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
Tin Critical Tertiary
Tungsten Critical Tertiary
Bismuth Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore
Scheelite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -145.71925, 64.68414

Economic information

Comments on the geologic information

  • VEIN DEPOSITS CARRYING NATIVE BISMUTH OCCUR ALONG DRAINAGE ; MAJOR.UNITS: BEDROCK IS DOMINANTLY PALEOZOIC OR OLDER AMPHIBOLITE-FACIES GARNETIFEROUS QUARTZ-MICA SCHIST; FORMERLY KNOWN AS BIRCH CREEK SCHIST

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1905

Mining district

District name Fairbanks

Comments on the workings information

  • MOSTLY SMALL SCALE, OPEN-CUT METHODS; DREDGE INSTALLED IN 1940'S, WORKED MOST OF CREEK; ATTEMPT AT DRIFT MINING IN 1909 WAS HAMPERED BY THAWED GROUND

Comments on development

  • MINING REPORTED: 1905, 1909-10, 1915, 1921, 1924; DRILLING TO TEST GROUND FOR DREDGING AND SOME PRODUCTION REPORTED IN 1937-1939; DREDGE OPERATED IN 1940'S; 143 CLAIMS IN AREA, ACTIVE 1978-82

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit GRAVEL 24-36 FT THICK; ONLY A FEW FT OF OVERBURDEN
Deposit SEE ALSO: (BUTTE CR.) ; 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.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-86 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey

Beyond USGS

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

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.