Unnamed Occurrence

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10001122
MRDS ID A011809
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -145.56576, 63.03383 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: ADGGS GR13, FIG. 7, LOC. 3 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). ; INFO FROM LAND.ST :49?

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcocite Ore
Chrysocolla Ore

Analytical data

Result CHIP SAMPLE ACROSS 10 FT: 6.9% CU, NO AU OR AG, ADGGS GR13, P. 11

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Amphitheatre Basalt
    Rock description Amphitheatre Basalt
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

(1) -145.56576, 63.03383

Ore body information

  • Strike N 75 E
    Dip 35 NW

Comments on the geologic information

  • DEPOSIT IS LIMITED ON ALL SIDES EXCEPT, POSSIBLY, INTO THE HILLSIDE; CUT OFF BY A FAULT TO THE S

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Chistochina

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011809

Bibliographic references

  • Deposit

    USGS BULL 712, P. 20

  • Deposit

    ADGGS GR13, P. 10-11, 34, LOC. 3

  • Deposit

    USGS BULL 1246, P. 46-47

  • Deposit

    USBM IC 8626, P. 16, LOC. 18

  • Deposit

    USGS OFR 77-169A, P. 39, LOC. 40

General comments

Subject category Comment text
Deposit CHRYSOCOLLA AND CHALCOCITE IN ZONE ABOUT 10 FT WIDE IN VESICULAR BASALT FLOW

Reporter information

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