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Tweeden Prospect

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

Geologic information

Identification information

Deposit ID 10002675
MRDS ID A015116
Record type Site
Current site name Tweeden Prospect
Related records 10208812

Geographic coordinates

Geographic coordinates: -142.38381, 64.10669 (WGS84)
Location accuracy 1000(meters)
Relative position 15 MILES WNW OF CHICKEN.

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 A-3(quadrangle 1:63,360 scale)

Eagle SW(quadrangle 1:100,000 scale)

Eagle C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Fortymile River WSR(Wild and Scenic River)

Wild and Scenic River BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-393, LOC. 11. DEPOSIT IN CLIFF NEAR MOUTH OF GOLD CREEK, A TRIBUTARY TO MOSQUITO FORK OF FORTYMILE RIVER. 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

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

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

Nearby scientific data

(1) -142.38381, 64.10669
ListMap

Economic information

Comments on the geologic information

  • GOLD THOUGHT TO BE DERIVED FROM THE DECOMPOSITION OF IRON SULFIDES

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Fortymile

Land status

Ownership category State

Comments on the workings information

  • 40 FT. LONG TUNNEL

Comments on development

  • DEVELOPED BY A TUNNEL 40 FT. LONG AND A WATER DRIVEN ARRASTRE. ABANDONED IN 1911; GOLD WAS VERY FINE AND COULD NOT BE RECOVERED.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FRACTURED GREENSTONE IN A CLIFF CONTAINS SOME SMALL QUARTZ VEINS AND STRINGERS ALONG LINES OF CLEAVAGE THAT ARE IRON STAINED AND CONTAIN FREE GOLD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1987 Powers, M.T. (Huber, D.F.) 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.