Peacock Prospect

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10000863
MRDS ID A011516
Record type Site
Current site name Peacock Prospect

Geographic coordinates

Geographic coordinates: -144.06364, 61.67076 (WGS84)
Location accuracy 2000(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: USGS BULL 745, PLATE 3, LOC. 17; MUST BE SAME SITE AS USGS BULL 947, PLATE 30, LOC. 4, WHICH IS IDENTIFIED AS PEACOCK PROSPECT. 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 Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Malachite Ore
Calcite Gangue
Epidote Gangue
Pyrite Gangue

Analytical data

Result NO DATA

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Chitistone Limestone;Nikolai Greenstone
    Rock description Chitistone Limestone;Nikolai Greenstone

Nearby scientific data

(1) -144.06364, 61.67076

Comments on the geologic information

  • GEOL.COM: DEPOSIT IS IN NIKOLAI GREENSTONE ABOUT 200 FT BELOW ITS CONTACT WITH OVERLYING CHITISTONE LIMESTONE

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on the workings information

  • ADIT ON PROPERTY WAS CAVED 40 FT FROM PORTAL WHEN VISITED BY VAN ALSTINE AND BLACK IN 1943; TOTAL LENGTH UNKNOWN

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011516

Bibliographic references

  • Deposit

    USGS BULL 745, P. 103

  • Deposit

    USGS BULL 947-G, P. 130

  • Deposit

    USGS MF-438, LOC. 70

  • Deposit

    USGS OFR 80-892B, LOC. 57

  • Other Database

    BAG-OFR-80-892B-57

General comments

Subject category Comment text
Deposit SEE ALSO: MULLEN, AMMANN, CAVE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit BRECCIATED GREENSTONE CEMENTED BY CALCITE, EPIDOTE AND BORNITE IN VEINLETS UP TO 1 IN THICK; SPARSELY DISSEMINATED GRAINS AND VEINLETS OFBORNITE, CHALCOCITE AND PYRITE IN GREENSTONE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE ORE BODY AND WORKINGS FIELDS FROM THE COMMENTS FIELD