Exray, Pit No. 6 Prospect

Occurrence in Alaska, United States with commodities Copper, Silver

Geologic information

Identification information

Deposit ID 10001369
MRDS ID A012110
Record type Site
Current site name Exray, Pit No. 6 Prospect
Related records 10233589

Geographic coordinates

Geographic coordinates: -135.53816, 58.43723 (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 85-717, NO. J037 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
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Calcite Gangue

Analytical data

Result THREE SAMPLES RANGED FROM 1800-8700 PPM CU, TRACE AG
Result USGS OFR 78-494, P. C358-62

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite

Nearby scientific data

(1) -135.53816, 58.43723

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Juneau/Excursion Inlet

Land status

Ownership category National Park

Comments on the workings information

  • SIX PROSPECTS; 2 UNPATENTED LODE CLAIMS

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012110

Bibliographic references

  • Deposit

    USGS OFR 78-494, P. C358-362

  • Deposit

    USGS OFR 85-717, P. 50

  • Other Database

    BAG-OFR-85-717-037

General comments

Subject category Comment text
Deposit CALCITE VEINS WITH CHALCOPYRITE IN CALCAREOUS SEDIMENTARY ROCKS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1986 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey