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  3. Mineral Resource Data System (MRDS)

Eagle Bluff Occurrence

Occurrence in Alaska, United States with commodities Gold, Nickel, Cobalt
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10002669
MRDS ID A015110
Record type Site
Current site name Eagle Bluff Occurrence
Related records 10185577

Geographic coordinates

Geographic coordinates: -142.20276, 64.79866 (WGS84)
Location accuracy 250(meters)
Relative position LESS THAN 1 MILE NORTH OF EAGLE.

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Eagle D-3(quadrangle 1:63,360 scale)

Eagle NW(quadrangle 1:100,000 scale)

Eagle C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-393, LOC. 4. DEPOSIT ON EAGLE BLUFF ALONG A FAULT ZONE TRENDING WESTWARD UP MISSION CREEK. 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
Nickel Critical Primary
Cobalt Critical Primary

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Igneous Rocks Altered To Greenstone

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -142.20276, 64.79866
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Tintina Fault Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Eagle

Reference information

Bibliographic references

  • Deposit

    USGS MF-393 (D-1), LOC. 4.

  • Deposit

    USGS CIRC. 316, P. 3.

  • Other Database

    BAG-MF-393-4

General comments

Subject category Comment text
Deposit GOLD, NICKEL, AND COBALT IN BASALTIC GREENSTONE. INTERBEDDED FLOW BRECCIA, TUFF, AND INTERCALATED SEDIMENTARY BEDS. A SAMPLE OF A SUPPOSED GOLD AND NICKEL BEARING VEIN WAS ENCRUSTED WITH COBALT BLOOM.
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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.

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.