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Little Caribou Occurrence

Occurrence in Alaska, United States with commodities Copper, Antimony, Zinc
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Geologic information

Identification information

Deposit ID 10000620
MRDS ID A011230
Record type Site
Current site name Little Caribou Occurrence

Geographic coordinates

Geographic coordinates: -150.5029, 63.76958 (WGS84)
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • PLOTTED FROM USBM OFR 24-78, FIG. 4.1-A(2) LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Secondary
Antimony Secondary
Zinc Secondary

Comments on the commodity information

  • MINERALIZATION IS ERRATIC; STIBNITE OCCURS WITH TOURMALINE IN FLOAT; ZN ANOMALIES IN STREAM SEDIMENT

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Stibnite Ore
Epidote Gangue
Hematite Gangue
Ilmenite Gangue
Magnetite Gangue

Analytical data

Result USBM GEOCHEMICAL SAMPLING INDICATES LARGE EXTENT OF MINERALIZATION, BUT GENERALLY LOW METAL CONTENT

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate

Nearby scientific data

(1) -150.5029, 63.76958
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Ore body information

  • Thickness 1.52M
    Length 167.64M

Comments on the geologic information

  • TACTITE IN BIRCH CREEK ROCKS

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Kantishna

Land status

Ownership category National Park

Comments on development

  • USBM GEOCHEMICAL ANALYSIS REPORTED IN USBM OFR 24-78, TABLE 4.1-A(2) NOS. 165-178, NOS. 151-157.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011230

Bibliographic references

  • Deposit

    ADGGS OFR 98, P.39 LOC 69

  • Deposit

    USGS OFR 77-169A, P.46 LOC 29

  • Deposit

    USBM OFR 24-78, P. 4-46, FIG. 4.1-A(2)

General comments

Subject category Comment text
Deposit CONTACT METAMORPHIC DEPOSIT IN SKARN CARRIES MASSIVE SULPHIDES; STIBNITE FOUND IN FLOAT AS LIMESTONE REPLACEMENT MASSES
Deposit ANOTHER CU OCCURRENCE AT LOT 63 45 36, LONG 150 31 09, (APPROX.): DISSEMINATED CHOLCOPYRITE AND MALACHITE IN SCHIST, ADGGS OFR98, P.39 LOC.68 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1984 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey