Big Five

Occurrence in Alaska, United States with commodities Copper, Iron

Geologic information

Identification information

Deposit ID 10000076
MRDS ID A010090
Record type Site
Current site name Big Five

Geographic coordinates

Geographic coordinates: -132.41431, 55.65251 (WGS84)
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary
Iron Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Ore
Pyrrhotite Ore
Epidote Gangue
Garnet Gangue
Pyrite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -132.41431, 55.65251

Ore body information

  • General form PODS
    Width 3.05M

Comments on the geologic information

  • SOME FAULTING IN COUNTRY ROCK

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Length 15.24M

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010090

Bibliographic references

  • Deposit

    USGS BULL 347, P. 127

  • Deposit

    USGS BULL 1090, P. 110-111.

  • Deposit

    USGS BULL 1246, P. 168.

  • Deposit

    USGS MF 433.700

  • Deposit

    USGS OF 78-869, P. 18.7

General comments

Subject category Comment text
Deposit SEE ALSO IRON CAP ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-83 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey