Camp Creek Deposit

Occurrence in Alaska, United States with commodities Fluorine-Fluorite, Beryllium, Manganese, Tin

Geologic information

Identification information

Deposit ID 10094092
MRDS ID A016010
Record type Site
Current site name Camp Creek Deposit

Geographic coordinates

Geographic coordinates: -167.15201, 65.46899 (WGS84)
Relative position ABOUT 1/2 MILE SSE OF LOST RIVER MINE.
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • DISCONTINUOUS STRINGER LODE TRACEABLE FOR 5000 FT ALONG S SLOPE OF CAMP CREEK, USGS CIRCULAR 479, FIG. 2, P. 6. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Fluorine-Fluorite Primary
Beryllium Primary
Manganese Secondary
Tin Tertiary

Materials information

Materials Type of material
Bertrandite Ore
Cassiterite Ore
Chrysoberyl Ore
Euclase Ore
Fluorite Ore
Phenacite Ore
Psilomelane Ore
Pyrolusite Ore
Todorokite Ore
Hematite Gangue
Pyrite Gangue
Stannite Gangue
Tourmaline Gangue

Analytical data

Result 8 BULK SAMPLES OF FLOAT (WITHIN A FEW FT OF BEDROCK SOURCE): 0.31-1.50% BEO, AVG.: 0.73% BEO
Result 54.6-62.4% FLUORITE, AVG. 57.4%
Result USGS CIRC. 479, TABLE 4, P. 7.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Port Clarence Limestone;;
    Rock description Port Clarence Limestone;;

Nearby scientific data

(1) -167.15201, 65.46899

Geologic structures

Type of structure Regional
Structure description Rapid River Thrust, Camp Creek Thrust

Ore body information

  • General form TABULAR
    Strike APPROX. EW
    Dip APPROX. 10 DEGREES S
    Thickness 60.96M
    Width 182.88M
    Length 1524M

Controls for ore emplacement

  • Veins Localized By (1) Sheeted Vertical Fracture System Related To Thrust Faults, (2) Closely Spaced Joints In Limestone, (3) Brecciated Limestone, And (4) Dike Walls.

Comments on the geologic information

  • MINERALIZATION ASSOCIATED WITH EARLY STAGES OF GRANITIC INTRUSIVES; MAY GRADE INTO SN DEPOSIT AT DEPTH.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both metallic and non-metallic
Deposit size Small
Significant No
Discovery year 1962
Discoverer Sainsbury, C.L. (Usgs)

Comments on the reserve resource information

  • MORE THAN 6,000,000 TONS CONTAINING MORE THAN 30% FLUORITE PRESENT, USBM OFR 73-75, P. 83.

Comments on the workings information

  • 13 DD-HOLES DRILLED BY USBM TOTALLED 2158 FT; NO DATA ON P.C.E. DRILLING

Comments on development

  • EXPLORED BY DD-HOLES IN 1964 BY USBM, AND IN 1970-72 BY P.C.E. EXPLORATIONS, LTD.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A016010

Bibliographic references

  • Deposit

    USGS PROF. PAPER 933, P. 32.

  • Deposit

    USGS CIRCULAR 479, P. 4-7.

  • Deposit

    USBM OFR 7-65, P. 5, 10, 13, 16, 35-62, 72-76, 79-92.

  • Deposit

    USGS 250, P. 2-34.

  • Deposit

    USGS BULLETIN 1287, P. 81-83.

  • Deposit

    USGS OFR 77-796-B, P. 6, LOC. 36.

  • Other Database

    BAG-MF-426-08

General comments

Subject category Comment text
Deposit CONSIDERED PART OF LOST RIVER DEPOSIT IN MANY REFERENCES; SEE ALSO: LOST RIVER MINE. ; INFO.SRC : 1 PUB LIT
Deposit ROUGHTLY TABULAR ZONE OF REPLACEMENT VEINS AND VEINLETS IN FRACTURED LIMESTONE UNDERNEATH RAPID RIVER THRUST FAULT; ORE CONSISTS OF FINE GRAINED FLUORITE (45-65%) AND CHRYSOBERYL (3-10%), WITH BE-DIASPORE (5-15%) INTERGROWN WITH TOURMALINE (0-10%) AND WHITE MICA (0-5%); MINOR AMOUNTS OF TODOROKITE, HEMATITE, EUCLASE AND MN-OXIDES; TRACE PHENACITE, BERTRANDITE, BITYITE, AND CASSITERITE; BEST GRADE ORE LOCALIZED IN EXTREMELY BRECCIATED LIMESTONE AT INTERSECTION OF ORE ZONE WITH LOWER CAMP CREEK THRUST FAULT; ORE ZONE HAS PROVED STRIKE LENGTH OF 1200 M AND EXTENDS FOR SEVERAL 100 FT DOWN (SOUTHERLY) DIP; DD-CORES FROM CENTRAL PART OF DEPOSIT INTERSECTED PYRITE-STANNITE ASSEMBLAGE BOUNDED BY BE-F MINERALIZATION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey
Editor 20-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.