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  3. Mineral Resource Data System (MRDS)

Unnamed Occurrence

Occurrence in Alaska, United States with commodity Copper
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Geologic information

Identification information

Deposit ID 10000668
MRDS ID A011292
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -150.60761, 63.62485 (WGS84)
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Birch Creek
    Rock description Birch Creek
    Stratigraphic age (youngest) Early Cambrian

Nearby scientific data

(1) -150.60761, 63.62485
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Ore body information

  • Thickness 1.83M

Comments on the geologic information

  • DOES NOT APPEAR TO BE A VEIN

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

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011292

Bibliographic references

  • Deposit

    ADGGS OFR 98, P. 37 LOC. 61

  • Deposit

    USBM OFR 24-78, FIG. 4.1-1(A) MINERAL DEPOSIT NO. 291

  • Deposit

    USGS OFR 77-169A, P. 45 LOC. 23

General comments

Subject category Comment text
Deposit SULFIDE ZONE 4 TO 6 FT THICK PARALLEL TO FOLIATION OF GREENSTONE SCHIST; BANDS OF DISSEMINATED PYRITE, CHALCOPYRITE AND SECONDARY CU MINERALS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1984 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 13-APR-1994 Mosier, Dan U.S. Geological Survey