Lake Anna Gold Prospect

Occurrence in Alaska, United States with commodities Gold, Lead, Zinc

Geologic information

Identification information

Deposit ID 10002366
MRDS ID A013284
Record type Site
Current site name Lake Anna Gold Prospect
Related records 10185990

Geographic coordinates

Geographic coordinates: -136.07841, 57.62443 (WGS84)
Relative position 2.8 MI. SE OF CHICHAGOF, ON NORTH SHORE OF ENTRANCE TO LAKE ANNA
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-467, LOC. 40 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
Lead Secondary
Zinc Secondary

Comments on the commodity information

  • "RATHER RICH SPECIMENS HAVE BEEN TAKEN" FROM PROSPECT-USGS B 692, P. 120

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -136.07841, 57.62443

Ore body information

  • Strike N 20 DEGREES E
    Dip 90 DEGREES

Controls for ore emplacement

  • Fault

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Length 30.48M

Comments on the workings information

  • 100 FT TUNNEL DRIVEN ALONG FAULT ZONE.

Comments on development

  • PROSPECT LOCATED IN 1914, TUNNEL DRIVEN

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013284

Bibliographic references

  • Deposit

    USGS MF-467, LOC. 40 (1972)

  • Deposit

    USGS B 692, P. 120 (1919)

  • Deposit

    USGS OF 78-450, P. 69 (1978)

  • Deposit

    USGS MF-1476-B (FOR REGIONAL GEOLOGY) (1982)

  • Other Database

    BAG-MF-467-40

General comments

Subject category Comment text
Deposit FAULT ZONE CONTAINS 3-5 FT WIDE CRUSHED ZONE IN SLATY ROCK, CONTAINS QUARTZ, PYRITE, GALENA, PYRRHOTITE, SPHALERITE, AND GOLD.
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-JUN-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey