Glenn Prospect

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

Geologic information

Identification information

Deposit ID 10000610
MRDS ID A011217
Record type Site
Current site name Glenn Prospect
Alternate or previous names Swisher Property, Glen Prospect
Related records 10281861

Geographic coordinates

Geographic coordinates: -150.79178, 63.56901 (WGS84)
Location accuracy 1000(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • PLOTTED FROM DESCRIPTION IN USGS BULLETIN 849-F, P. 373 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Antimony Secondary
Zinc Secondary
Silver Tertiary

Comments on the commodity information

  • SILVER SHOWS UP IN ASSAY BUT HAS NOT BEEN REPORTED FOR THIS SITE; "PROMISING" AMOUNTS AU REPORTED

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Stibnite Ore
Jamesonite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result BUNDTZEN, 1976, (REF4) ASSAY OF GRAB SAMPLE: PB: 7.20%
Result ZN: .02%, AG: 5.40 OZ/TON
Result AU: 0.01 OZ/TON
Result SB: 3.36%

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) -150.79178, 63.56901

Geologic structures

Type of structure Regional
Structure description Kantishna Antiform

Ore body information

  • Strike N 80 E TO N 85 E
    Dip 90
    Thickness 3.05M
    Width 60.96M
    Length 213.36M

Controls for ore emplacement

  • Ne Trending Veins In This Area Tend To Intersect Nw Trending Faults Creating Bonanza Lodes

Comments on the geologic information

  • MINERALIZED ZONE IS PROXIMAL TO A ZONE OF SHATTERED SCHISTOSE COUNTRY ROCK; QUARTZ VEIN WITH SCATTERED GALENA AND OTHER SULFIDES INTRUDES 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

  • HALF-SQUARE RESOURCE ESTIMATE: 15000 TONS ORE; GRADE: 0.03 OZ/TON AU, 2.82 OZ/GON AG; 2.15% SB, 4.29% PB, 0.03% ZN, ADGGS REPORT OF INVESTIGATIONS 83-12, P. 22

Workings at the site

  • Type of workings Underground
    Name of workings TUNNEL 1
    Length 91.44M
    Overall length 103.63M
  • Type of workings Underground
    Name of workings TUNNEL 2
    Length 12.19M

Comments on the workings information

  • TWO TUNNELS, 300 FT AND 40 FT, DRIVEN IN 1906-1909; INACCESSIBLE BY 1916

Comments on development

  • APPARENTLY NO WORK DONE SINCE 1909

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011217

Bibliographic references

  • Deposit

    USGS BULLETIN 687, P.100

  • Deposit

    USGS BULLETIN 836, P.334

  • Deposit

    USGS BULLETIN 849-F, P.373

  • Deposit

    ADGGS OPEN FILE 98, P.35 LOC. 47, 45 NO. 47

  • Deposit

    USGS OPEN FILE 77-169A, P.45 LOC.13 (COMBINED DATA WITH MCGONNOGILL)

  • Deposit

    ADGGS REPORT OF INVESTIGATIONS, 83-12, P. 22

General comments

Subject category Comment text
Deposit MINERALIZED ZONE EXTENDS FOR 700 FT ALONG STRIKE AND OVER VERTICAL RANGE OF 200 FT; PROXIMAL TO A ZONE OF SHATTERED SCHISTOSE COUNTRY ROCK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-84 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-95 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE WORKINGS FIELDS FROM THE COMMENTS FIELD.