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Ingersoll Mine

Past Producer in Pennington county in South Dakota, United States with commodities Beryllium, Feldspar, Lithium, Mica, Niobium (Columbium), Tantalum, Tin
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  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. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10251647
MAS/MILS ID 0461030006
Record type Site
Current site name Ingersoll Mine
Alternate or previous names Ingersoll Claims, Bob Ingersoll Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -103.45196, 43.91106 (WGS84)
Elevation 1535
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Rushmore(quadrangle 1:24,000 scale)

Mount Rushmore(quadrangle 1:100,000 scale)

Hot Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Cheyenne-Spring(hydrologic unit)

Cheyenne(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 Pennington

Commodities

Commodity Importance
Beryllium Critical Secondary
Feldspar Tertiary
Lithium Critical Tertiary
Mica Secondary
Niobium (Columbium) Critical Primary
Tantalum Critical Primary
Tin Critical Primary

Materials information

Materials Type of material
Albite Unknown
Amblygonite Unknown
Beryl Unknown
Biotite Unknown
Cassiterite Unknown
Columbite Unknown
Garnet Unknown
Lepidolite Unknown
Microlite Unknown
Muscovite Unknown
Orthoclase Unknown
Phlogopite Unknown
Quartz Unknown
Spodumene Unknown
Staurolite Unknown
Tantalite Unknown
Tourmaline Unknown

Nearby scientific data

Main Entrance (1) -103.45196, 43.91106
ListMap

Economic information

Ore body information

  • Strike N20E
    Dip 55E
    Thickness 50M
    Length 200M
    Width 30M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 PEGMATITE
    Shape of Orebody #1 PIPELIKE
    Shape of Orebody #2 LENTICULAR
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Strike And Dip N20E:55E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 821213
  • Area 5HA
    Field Value
    Total Surface Area (HA) 5
    Date of Last Modification 910418

Comments on the geologic information

  • THE GEOMETRY SET DIMENSIONS ARE A COMPOSITE FROM THE ADDING OF THE FIVE PEGMATITE ORE BODIES TOGETHER. THE DIP IS VARIABLE BUT IN GENERAL IS GREATER THAN 55 DEGREE IN AN EAST SOUTH-EAST DIRECTION.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Both
Significant Yes
Discovery year 1880
Mining method Glory Hole
Year of first production 1922
Milling method Flotation

Mining district

District name Keystone Area

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Ingersoll Mining Co.
    Interest 100
    Home office South Dakota
    Year 1982

Comments on the ownership information

  • U.S. MINING IS THE ACTUAL PROPERTY OWNER FOR THE INGERSOLL MINE: A 10% LEASE/PURCHASE OPTION IS HELD BY THE INGERSOLL MINING COMPANY.

Production statistics

  • Year 1945
    Period 1922-1945
    Description Production : Amblygonite 550 Tonnes, Lepidolite 7340 Tonnes, Beryl 371 Tonnes, Potash Feldspar 4055 Tonnes, Soda Spar (Cleavelandite) 95 Tonnes, Spodumene 69 Tonnes, Scrap Mica 1595 Tonnes, Cassiterite 1360 Kilograms, Columbite 2857 Kilograms

Comments on the reserve resource information

  • A PENNINGTON CO. PEGMATITE PROPOSED OPERATION WILL REPROCESS DUMPS LEFT BY PAST PRODUCERS AND GLORY HOLE MINE RESOURCES IN RECOVERABLE MT
  • SCOTT BERRY HAS STATED THAT THE DUMPS ARE 70% RECOVERABLE. THIS MATERIAL WILL BE LOADED DIRECTLY INTO THE PRIMARY CRUSHER BY THE MILL FRONT-END LOADER.

Workings at the site

  • Type of workings Underground
    Length 100M
    Overall depth 20M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method GLORY HOLE 10-37
    Swell Factor .61
    Percent Waste Rock 0
    Percent Recovery 95
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. CHEMICAL COATING
    Number of Shafts 1
    Length of Inclines (m) 0
    Slope of Inclines 0
    Avg. Length of Adits (m) 31
    Number of Adits 2
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 100
    Capacity Units MT ORE/DAY
    Unit Production Cost 43.39
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1982

Reference information

Bibliographic references

  • Geology

    SPRINGS, KEN, 1982, PERSONAL COMMUNICATIONS WITH M.R.DALEY

  • Geology

    DURING VISIT TO PRIVATE BUSINESS, MAY 26, 1982.

  • Deposit

    BERRY, SCOTT, 1982, PERSONAL COMMUNICATIONS DURING VISIT BY

  • Deposit

    M.R.DALEY TO PROPERTY, MAY 25, 1982.

  • Deposit

    HANLEY, J. B., 1953, BOB INGERSOLL MINE (KEYSTONE DISTRICT)

  • Deposit

    IN PEGMATITE INVESTIGATIONS 1942-1945, BLACK HILLS, SOUTH

  • Deposit

    DAKOTA: U.S. GEOLOGICAL SURVEY PROF. PAPER 247, P. 75-83,

  • Deposit

    PLATES 6 AND 7.

  • Deposit

    NORTON, J. J., PAGE, L. R., AND BROBST, D. A., 1962, GEOLOGY

  • Deposit

    OF THE HUGO PEGMATITE KEYSTONE, SOUTH DAKOTA IN PEGMATITES

  • Deposit

    AND OTHER PRECAMBRIAN ROCKS IN THE SOUTHERN BLACK HILLS:

  • Deposit

    U.S. GEOLOGICAL SURVEY PROF. PAPER 297-B, FIGURE 3.

  • Deposit

    U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH

  • Deposit

    DAKOTA: PART 2.; IC 7707, P. 65-66.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-MAR-95 Daley, Michael R. U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site