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Mcgonogill Prospect

Occurrence in Alaska, United States with commodities Gold, Silver, Lead, Zinc, Antimony, Copper
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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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10093970
MRDS ID A011237
Record type Site
Current site name Mcgonogill Prospect
Alternate or previous names Mcgonagall Prospect

Geographic coordinates

Geographic coordinates: -150.80845, 63.57318 (WGS84)
Location accuracy 500(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

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Zinc Critical Secondary
Antimony Critical Secondary
Copper Secondary

Comments on the commodity information

  • NO DATA ON CU CONTENT; PB, ZN, SB CONTENT: SEE RESERVE TABLE, VERY HIGH AU ASSAYS REPORTED IN PAST

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Stibnite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Analytical data

Result 0.6 OZ/TON AU, 63.0 OZ/TON AG, DAVIS, 1923 IN STEWART B.D., ANNUAL REPORT...

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
    Rock unit name Birch Creek;Birch Creek;Birch Creek
    Rock description Birch Creek;Birch Creek;Birch Creek

Nearby scientific data

(1) -150.80845, 63.57318
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Kantishna Antiform

Ore body information

  • Thickness 2.44M
    Length 76.2M

Comments on the geologic information

  • QUARTZ SIDERITE VEINS IN BIRCH CREEK ROCKS

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 production information

  • TWO TONS OF ORE MILLED YIELDED SEVERAL TENS OF OZ OF AU, ADGGS OFR 98, P. 35

Comments on the reserve resource information

  • ADGGS RI 83-12, P. 20

Comments on the workings information

  • SHORT TUNNEL AND CROSSCUT

Reference information

General comments

Subject category Comment text
Deposit UPPER CLAIM VEIN, STRIKE: N 58 E CLIP: 34 NW, CONSISTS OF MINERALIZED QUARTZ IN 1 FT BANDS SEPARATED BY ALTERED SCHIST SEAMS 1 TO 5 IN THICK; LOWER CLAIM VEIN: STRIKE: N78-110 E, DIP: 50 S IS OFFSET BY 3 FT SHEAR ZONE IMPREGNATED WITH TETRAHEDRITE, STIBNITE AND CHALCOPYRITE (UP TO 52 OZ/TON AG IN ASSAY)
Deposit SEE ALSO: GALENA ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1984 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 13-APR-1994 Mosier, Dan U.S. Geological Survey

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.