Egan Prospect

Occurrence in Alaska, United States with commodity Tungsten
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. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002900
MRDS ID A015388
Record type Site
Current site name Egan Prospect
Related records 10160320

Geographic coordinates

Geographic coordinates: -147.48073, 65.02328 (WGS84)
Location accuracy 250(meters)
Relative position ABOUT 19 MILES BY ROAD NE OF FAIRBANKS ALONG THE STEESE HIGHWAY.

Site location context

Political divisions (FIPS codes)

Fairbanks North Star(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Livengood A-1(quadrangle 1:63,360 scale)

Circle SW(quadrangle 1:100,000 scale)

Livengood(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-413, LOC 31. PROSPECT ABOUT 1 MILE SE OF PEDRO DOME; WEST OF THE STEESE HIGHWAY NEAR MILE POST 18. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Tungsten Critical Primary

Comments on the commodity information

  • DEPOSIT EXTREMELY LOW GRADE

Materials information

Materials Type of material
Scheelite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -147.48073, 65.02328

Economic information

Comments on the geologic information

  • OPEN CUT AND TRENCHES EXPOSE GRANODIORITE CRISSCROSSED BY PEGMATITE DIKES DERIVED FROM PORPHYRITIC GRANITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Don Egan And Associates

Mining district

District name Fairbanks

Comments on development

  • SOME SURFACE WORK WAS DONE DURING THE FALL OF 1942 AND A TUNNEL WAS DUG 30 FT. INTO THE HILLSIDE DURING THE FOLLOWING WINTER.

Reference information

Bibliographic references

  • Deposit

    USGS MF-413 (A-1), LOC. 31

  • Deposit

    USGS BULL 1024-I, P. 206, 210.

  • Deposit

    ALASKA TERR. DEPT. OF MINES PAMPHLET 2, P. 23, 1943.

General comments

Subject category Comment text
Deposit THIN, LESS THAN 6 IN., PEGMATITE DIKES THAT CUT GRANODIORITE CONTAIN SPARSELY SCATTERED GRAINS OF SCHEELITE. SCHEELITE IN SMALL STOCKWORKS OF QUARTZ STRINGERS CUTTING FINE-GRAINED QUARTZ DIORITE; ALSO OCCURS SPARINGLY IN QUARTZ DIORITE NEAR QUARTZ STRINGERS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Powers, M.T. (Huber, D.F.) U.S. Geological Survey
Editor 20-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.

Beyond USGS

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

Authoritative Alaska resources

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