Falcon Arm Gold Prospect

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

Geologic information

Identification information

Deposit ID 10002369
MRDS ID A013287
Record type Site
Current site name Falcon Arm Gold Prospect
Related records 10282880

Geographic coordinates

Geographic coordinates: -135.92784, 57.55499 (WGS84)
Elevation 56
Relative position 0.8 MI. NW OF VABM FALCON, SE SIDE OF HEAD OF FALCON ARM
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 929, PLATE 1 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
Silver Primary
Lead Secondary
Zinc Secondary

Materials information

Materials Type of material
Gold Ore
Sphalerite Ore
Pyrite 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;

Nearby scientific data

(1) -135.92784, 57.55499

Comments on the geologic information

  • GRAYWACKE, LIGHT-COLORED, FINE-GRAINED INTRUSIVE DIKE ROCK.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1916

Mining district

District name Chichagof

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 917.45M

Comments on the workings information

  • 2,260 FT. CROSSCUT DRIVEN S 59 DEGREES E. 1,200 FT. FROM PORTAL A 750 FT. DRIFT FOLLOWS N 24 DEGREES W TRENDING FAULT.

Comments on development

  • FOUR CLAIMS LOCATED IN 1916 BY FALCON ARM MINING CO.. RELOCATED IN 1938 BY CARL BERGSTROM AND GUS GUSTAFSON. CROSSCUT AND DRIFT DRIVEN. NO RECORDED PRODUCTION.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013287

Bibliographic references

  • Deposit

    USGS B 929, P. 118-119, PLATES 1, 3 (1941)

  • Deposit

    USGS B 692, P. 120 (1919)

  • Deposit

    USGS OF 78-450, P. 42 (1978)

  • Deposit

    USGS MF-467, LOC. 42 (1972)

  • Other Database

    BAG-B-929-PL-1

General comments

Subject category Comment text
Deposit GRAYWACKE CUT BY NUMEROUS DIKES 1-30 FT. THICK. CROSSCUT INTERSECTS NUMEROUS FAULTS STRIKING N 35 DEGREES W-N 30 DEGREES E, DIPPING STEEPLY W, WHICH CONTAIN QUARTZ VEINS AND STRINGERS UP TO 4 IN. THICK WITH GALENA, PYRITE, SPHALERITE, 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
Editor 14-SEP-1994 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.