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Glenn Prospect

Occurrence in Alaska, United States with commodities Gold, Lead, Antimony, Zinc, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

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)

Site location context

Political divisions (FIPS codes)

Denali(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Denali C-2(quadrangle 1:63,360 scale)

Denali NE(quadrangle 1:100,000 scale)

Mount McKinley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Denali National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

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 Critical Secondary
Zinc Critical 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
ListMap

Economic information

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
    Length 213.36M
    Width 60.96M

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 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

Bibliographic references

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.

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.