George Alexander

Past Producer in Lawrence county in South Dakota, United States with commodities Lead, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10275429
MAS/MILS ID 0460810060
Record type Site
Current site name George Alexander
Alternate or previous names Alexander

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -103.63997, 44.32556 (WGS84)
Elevation 1561
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deadwood South(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Belle Fourche(hydrologic unit)

Belle Fourche(hydrologic accounting unit)

Cheyenne(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Black Hills National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States South Dakota Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004 N 004 E 09 SENWNE South Dakota

Commodities

Commodity Importance
Lead Tertiary
Silver Tertiary

Nearby scientific data

Main Entrance (1) -103.63997, 44.32556

Economic information

Ore body information

  • Dip 00N
    Thickness 1M
    Length 50M
    Width 2M
    Depth to top 5M
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control FRACTURING
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 PROPYLITIC
    Type of Wallrock Alter. #3 CARBONATE SILIC
    Strike And Dip :00N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. .5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Galena District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Unknown
    Owner Iwalana L Aye Gali
    Interest 100
    Home office South Dakota
    Year 1975

Reference information

Bibliographic references

  • Deposit

    GRUNWALD ROSS R 1970 GEOLOGY AND MINERAL DEPOSITS OF THE GAL

  • Deposit

    ING DISTRICT BLACK HILLS SOUTH DAKOTA PH D THESIS SOUTH DAKO

  • Deposit

    OL OF MINES AND TECHNOLOGY 323 PP

  • Deposit

    IRVING J D 1904 ECONOMIC RESOURCES OF THE NORTHERN BLACK HIL

  • Deposit

    GEOLOGICAL SURVEY PROF PAPER 26 200 PP

  • Deposit

    SHAPIRO,LEWIS H AND GRIES,J.P.1970 ORE DEPOSITS IN ROCKS OF

  • Deposit

    IC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS S D, U S GEO

  • Deposit

    SURVEY HEAVY METALS PROGRAM CONTRACT # 14-08-0001-10650.

  • Deposit

    U S BUREAU OF MINES 1954 BLACK HILLS MINERAL ATLAS,SOUTH DAK

  • Deposit

    RT I: WASHINGTON D C U S BUREAU OF MINES IC 7688 123 PP

General comments

Subject category Comment text
Deposit HARD COPY FILE CONTAINS FILE REPORT PLUS MAPS.

Reporter information

Type Date Name Affiliation Comment
Reporter 25-NOV-1983 South Dakota School of Mines U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.