Blackney Prospect

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10000845
MRDS ID A011498
Record type Site
Current site name Blackney Prospect
Alternate or previous names Blakney
Related records 10160813

Geographic coordinates

Geographic coordinates: -144.3328, 61.45158 (WGS84)
Location accuracy 2000(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 80-892B, LOC. 48 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
Chalcopyrite Ore

Analytical data

Result NO DATA ON GRADE
Result PROBABLY LOW

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock
    Rock unit name Skolai Group
    Rock description Skolai Group
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -144.3328, 61.45158

Geologic structures

Type of structure Local
Structure description Ore Body Is Cut Off On Its E End By Cross Fault Trending N 40 W

Ore body information

  • Strike N 75 W
    Dip 45 SW
    Thickness 0.91M
    Length 60.96M

Controls for ore emplacement

  • Fracture Control

Comments on the geologic information

  • DEPOSIT IS IN METAVOLCANICS OF SKOLAI GROUP NEAR A JURASSIC DIORITEPLUTON

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on development

  • SOME PHYSICAL EXPLORATION; CLAIM PATENTED IN 1911 OR EARLIER

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011498

Bibliographic references

  • Deposit

    USGS BULL 576, P. 51-52

  • Deposit

    USGS BULL 1246, P. 62

  • Deposit

    ADGGS GC 15, P. 4

  • Deposit

    USGS MF-438, LOC. 57

  • Deposit

    USGS OFR 80-892B, LOC. 48

  • Deposit

    USGS OFR 80-892A

  • Other Database

    BAG-OFR-80-892B-48

General comments

Subject category Comment text
Deposit SHEAR ZONE ABOUT 3 FT THICK TRENDING N 75 W WITH 45 SW DIP CONTAINS PYRITE AND CHALCOPYRITE IN PARALLEL VEINS 1/2 TO 18 IN WIDE SEPARATEDBY THIN LAYERS OF GREENSTONE; TRACED 200 FT ALONG STRIKE
Deposit SEE ALSO: SURPRISE CREEK, DIVIDE CREEK; THERE HAS BEEN VERY LITTLE SUSTAINED INTEREST IN THE AREA AROUND TARAL CR., POSSIBLY DUE TO DIFFUCULTY OF ACCESS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey