Chicagof Prosperity Gold Prospect

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10002347
MRDS ID A013264
Record type Site
Current site name Chicagof Prosperity Gold Prospect
Related records 10112713

Geographic coordinates

Geographic coordinates: -136.12536, 57.68665 (WGS84)
Elevation 2
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 929, PLATE 1; USGS MF-467, LOC. 26 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

Comments on the commodity information

  • NO DATA ON METALLIC MINERAL CONTENT OF VEINS. GOLD PROBABLY PRESENT, BUT PROBABLY NOT IN MINEABLE QUANTITY.

Materials information

Materials Type of material
Gold Ore
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) -136.12536, 57.68665

Ore body information

  • Strike N 41 DEGREES W
    Dip 62 DEGREES-64 DEGREES SW

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 Surface/Underground
    Length 60.96M

Comments on the workings information

  • 2 TUNNELS DRIVEN. NORTHERN TUNNEL IS 45 FT. LONG. SOUTHERN TUNNEL IS CROSSCUT 150 FT. LONG, WITH WINZE. SEVERAL PITS AND TRENCHES UP TO 10 FT. DEEP CUT. ONE OLD TUNNEL CAVED IN AS OF 1939.

Comments on development

  • CHICHAGOF PROSPERITY MINING CO. HELD 9 CLAIMS, OPTIONED BY HIRST-CHICAGOF MINING CO. IN 1938, PROSPECT SHAFTS AND DRIFTING DUG IN 1938-39. GAVE UP OPTION IN 1939.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013264

Bibliographic references

  • Deposit

    USGS B 929, P. 133-134, PLATES 1, 3, 30 (1941)

  • Deposit

    USGS MF-467, LOC. 26 (1972)

  • Deposit

    USGS OF 78-450, P. 32 (1978)

  • Other Database

    BAG-B-929-PL-1

General comments

Subject category Comment text
Deposit GOLD NOT SPECIFICALLY MENTIONED IN USGS B 929, P. 133-134, BUT AMOUNT OF WORKINGS INDICATE THAT IT WAS PROBABLY PRESENT. BAUER AND SONI PROSPECT, JUST SW OF THIS LOCATION, AND GLORIA B. PROSPECT, 2,000 FT. S 15 DEGREES E OF LOCATION ALSO HAVE NO SPECIFIC MENTION OF GOLD. ; INFO.SRC : 1 PUB LIT
Deposit FAULTS IN GRAYWACKE CONTAIN QUARTZ VEINS UP TO 3 FT. THICK. LARGEST FAULT STRIKES N 41 DEGREES W AND DIPS 62 DEGREES-64 DEGREES SW.

Reporter information

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