Pension Prospect

Occurrence in Alaska, United States with commodities Silver, Lead, Antimony

Geologic information

Identification information

Deposit ID 10000630
MRDS ID A011245
Record type Site
Current site name Pension Prospect

Geographic coordinates

Geographic coordinates: -150.77789, 63.55929 (WGS84)
Location accuracy 1000(meters)
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Antimony Secondary

Comments on the commodity information

  • REFERENCED DESCRIPTIONS VARY WIDELY ON AMOUNT OF GALENA PRESENT

Materials information

Materials Type of material
Boulangerite Ore
Galena Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result UP TO 150 OZ/TON AG REPORTED BY DAVIS, 1923

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
    Rock unit name Birch Creek
    Rock description Birch Creek
    Stratigraphic age (youngest) Early Cambrian

Nearby scientific data

(1) -150.77789, 63.55929

Ore body information

  • Thickness 1.52M
    Length 45.72M

Comments on the geologic information

  • VEIN CUTS PHYLLITIC UNIT OF BIRCH CREEK SCHIST

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Kantishna

Land status

Ownership category National Park

Comments on the reserve resource information

  • ADGGS RI 83-12, P.22

Comments on the workings information

  • TUNNEL,(CAVED BY 1931), AND OPEN CUT

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011245

Bibliographic references

  • Deposit

    DAVIS, J.A., 1923, THE KANTISHNA REGION, AK, IN STEWART, B.D., ANNUAL REPORT OF THE MINE INSPECTOR TO THE GOVERNOR OF ALASKA, 1922: JUNEAU, AK, P. 132

  • Deposit

    USGS BULL 849-F, P. 374

  • Deposit

    ADGGS OFR 98, P. 35

  • Deposit

    USGS OFR 77-169 A, P. 65 LOC. 15

  • Deposit

    ADGGS RI 83-12, P.22

General comments

Subject category Comment text
Deposit QUARTZ VEIN 1 TO 5 FT THICK; OFFSET FOR A FEW FEET LATERALLY IN 3 PLACES ON THIS SITE; EXCELLENT EXPOSURES
Deposit SEE ALSO: ARKANSAS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-84 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 13-APR-94 Mosier, Dan U.S. Geological Survey