Sweepstake Mining Co.

Past Producer in Alaska, United States with commodities Gold, Copper

Geologic information

Identification information

Deposit ID 10000391
MRDS ID A010551
Record type Site
Current site name Sweepstake Mining Co.
Related records 10161270

Geographic coordinates

Geographic coordinates: -147.92508, 60.99263 (WGS84)
Location accuracy 1000(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • DEPOSIT NUMBER IS THE MAP LOCATION NUMBER FROM MF-880A. NEAR AVERY 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
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Calcite Gangue
Chlorite Gangue
Feldspar Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Sulphides In Places Altered To Limonite

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Slate
    Rock description Slate
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -147.92508, 60.99263

Ore body information

  • Strike N65W
    Dip 45W
    Thickness 1.52M
    Length 6.1M

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Prince William Sound District

Land status

Ownership category National Forest

Comments on the workings information

  • 1100 FT LONG TUNNEL

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010551

Bibliographic references

  • Deposit

    USGS BULLETIN 592, P. 214-220

  • Deposit

    USGS MISCELLANEOUS FIELD STUDIES 880-A, LOCATION 148

  • Deposit

    USGS OPEN FILE 80-621, P. 229

General comments

Subject category Comment text
Deposit FISSURE CONTAINS QUARTZ VEIN 16 TO 18 INCHES WIDE AND LOCALLY INCLUDES QUARTZ VEINLETS 100 FT EAST OF TUNNEL THERE IS A SIMILAR FISSURE, BUT IT IS NOT CLEAR IF THIS ONE IS MINERALIZED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey