Tweeden Prospect

Occurrence in Alaska, United States with commodity Gold

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.
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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

Comments on the geologic information

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

Economic information

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

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015116

Bibliographic references

  • Deposit

    USGS MF-393 (A-3), LOC. 11.

  • Deposit

    USGS BULL. 520, P. 213-214.

  • Other Database

    BAG-MF-393-11

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