Sweepstake Mining Co.

Past Producer in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10161270
MRDS ID A010551
MAS/MILS ID 0020950067
Record type Site
Current site name Sweepstake Mining Co.
Related records 10000391

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -147.91838, 60.99237 (WGS84)
Elevation 487
Location accuracy 100(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 010 N 009 E 06 NWNENE Alaska


Commodity Importance
Gold Primary

Materials information

Materials Type of material
Arsenopyrite Unknown
Chalcopyrite Unknown
Galena Unknown
Gold Unknown
Pyrite Unknown
Pyrrhotite Unknown

Nearby scientific data

Main Entrance (1) -147.91838, 60.99237

Ore body information

  • Strike N75E
    Dip 90E
    Width 0.5M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N75E
    Date of Last Modification 880427

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Charles Elwood And John Reuef
    Interest 100
    Home office Alaska
    Year 1911

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Demonstrated 551mt ore
    Indicated 551mt ore
    Total resources 551mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8.5 g/mt Gold Major 1984
    Silver Ag 8.5 g/mt Silver 1984

Comments on the workings information

  • Workings include a 33.5 m.-long adit at the 487.7 m. elevation, a shaft at the 496.8 m. elevation, a 6.7 m.- long adit at the 518.2 m. elevation, and trenching at the 548.6 m. elevation.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0020950067
USGS Mineral Resources Data System MRDS A010551 MAS references MRDS

Bibliographic references

  • Ownership

    ALASKA KARDEX 095-221

  • Deposit

    B542c p. 37

  • Deposit

    B592j pp. 219-220, plate 9 No. 4

  • Deposit

    B622i p. 135

  • Deposit

    B622k p. 189

  • Deposit

    B642g p. 142

  • Deposit

    I273 # 94

  • Deposit

    B662h p. 189.

  • Deposit

    BMB153 p. 50.

  • Deposit

    MF880A # 148

  • Deposit

    MLA5-84 218 pp., (Locality S-140).

Reporter information

Type Date Name Affiliation Comment
Reporter 18-JUL-95 AHC U.S. Bureau of Mines