American Gold Co. Gold Prospect

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10002353
MRDS ID A013270
Record type Site
Current site name American Gold Co. Gold Prospect

Geographic coordinates

Geographic coordinates: -136.11785, 57.65054 (WGS84)
Elevation 122
Relative position 1.6 MI S OF DOOLTH MTN.
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 929, PLATE 1; USGS MF-467, LOC. 31; USGS MF-1476-B, LOC. 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
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Sitka Graywacke
    Rock description Sitka Graywacke

Nearby scientific data

(1) -136.11785, 57.65054

Geologic structures

Type of structure Local
Structure description Graywacke Strikes N 35 Degrees-55 Degrees W, Dips 72 Degrees Sw

Ore body information

  • Strike (FAULT NO. 1): N 50 DEGREES W, (FAULT NO. 2): N 40 DEGREES W
    Dip (FAULT NO. 1): 77 DEGREES SW, (FAULT NO. 2): 70 DEGREES SW

Controls for ore emplacement

  • Fault-Controlled

Comments on the geologic information

  • PROSPECT IS ON OR VERY NEAR ONE OF THE MORE PROMINENT FAULTS OF THE DISTRICT.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Chichagof

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Surface/Underground
    Length 56.39M

Comments on the workings information

  • 110 FT. OF DRIFTS, 75 FT. OF CROSSCUTS FOLLOWING TWO FAULTS. SMALL OPEN CUT 55 FT. ABOVE TUNNEL.

Comments on development

  • 21 CLAIMS HELD BY AMERICAN GOLD CO. AS OF 1938. TUNNEL DRIVEN.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013270

Bibliographic references

  • Deposit

    USGS B 929, P. 125-126, PLATES 1, 3 (1941)

  • Deposit

    USGS OF 78-450, P. 6 (1978)

  • Deposit

    USGS MF-467, LOC. 31 (1972)

  • Other Database

    BAG-B-929-PL-1

General comments

Subject category Comment text
Deposit TUNNEL FOLLOWS TWO FAULTS IN SHALY GRAYWACKE. 5 FT. DIKE DISPLACED 30 FT. BY FAULTING. A LITTLE QUARTZ PRESENT IN FAULT EXPOSED IN SURFACE CUT, WITH SPECK OF GOLD IN TINY QUARTZ VEINLET FILLING JOINT TRENDING N 35 DEGREES E, DIPPING 75 DEGREES NW.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey