Homestake

Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver

Geologic information

Identification information

Deposit ID 10069099
MRDS ID W002489
Record type Site
Current site name Homestake
Alternate or previous names Lead
Related records 10202280

Geographic coordinates

Geographic coordinates: -103.84669, 44.25552 (WGS84)
Elevation 1829
Relative position 32 MILES N.W. OF RAPID CITY, S.D.
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Geographic areas

Country State County
United States South Dakota Lawrence

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Magnetite Gangue
Marcasite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Specularite Gangue

Alteration

  • (Local) Chloritization

Analytical data

Result NATIVE AU CONTAINS AVERAGE OF 17 PERCENT AG, 1 PERCENT CU AND OTHER METALS

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Syenite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granite Porphyry, Cutting Stock;Rhyolite & Syenite Dikes;Amphibolite, Irregular Intrusives
    Rock description Granite Porphyry, Cutting Stock;Rhyolite & Syenite Dikes;Amphibolite, Irregular Intrusives

Nearby scientific data

(1) -103.84669, 44.25552

Geologic structures

Type Description Terms
Regional Black Hills Dome
Local Local Subsidiary Domes, Lead Syncline

Ore body information

  • General form PIPES AND LENSES
    Plunge 40 DEG
    Depth to bottom 2438.4M
    Width 30.48M
    Length 121.92M

Controls for ore emplacement

  • Tightly Folded Plunging Anticlines And Synclines

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1876
Discoverer Moses Manuel And Frank Harney
Discovery method Ore-Mineral In Place
Year of first production 1876
Year of last production >1974
Production years 1876-1974

Mining district

District name Lead District

Ownership information

  • Type Owner-Operator
    Owner Homestake Mining Co.

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.957 g/mt Gold Major 1976
  • Type In-situ
    Estimate year 1977
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.465 g/mt Gold Major 1977
  • Type In-situ
    Estimate year 1979
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.905 g/mt Gold Major 1979

Workings at the site

  • Type of workings Underground
    Overall depth 2199.44M

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W002489

Bibliographic references

  • Deposit

    SLAUGHTER, A. L., 1968, THE HOMESTAKE MINE, IN: J. D. RIDGE, ED., ORE DEPOSITS OF THE UNITED STATES, 1933-1967, VOL. II, A.I.M.E., NEW YORK, 1968, P. 1436-1459

  • Deposit

    NOBLE, J. A., ET AL, 1949, STRUCTURE OF A PART OF THE NORTHERN BLACK HILLS AND THE HOMESTAKE MINE, LEAD, SOUTH DAKOTA: BULL. G.S.A. 60: 321-352

  • Deposit

    MCLAUGHLIN, D. H., 1949, THE HOMESTAKE MINE: CANADIAN MINING JOURNAL 70 (12): 49-53

  • Deposit

    THE HOMESTAKE ENTERPRISE: ENGINEERING AND MINING JOURNAL VOL. 132, NO. 12, 1932

  • Deposit

    1876 DIREXPL HOMESTAKE MINING CO.: CONTINUED PRODUCTION

  • Deposit

    1904 GEOLMAP IRVING, J. D., ET AL, PROF. PAPER 26

  • Production

    ITEM 8: SIMONS, F.S., AND PRINZ, W.C., GOLD, IN: UNITED STATES MINERAL RESOURCES, USGS PROF. PAPER 820, P.267. ITEMS 9 AND 10: SLAUGHTER, A.L., THE HOMESTAKE MINE, IN: ORE DEPOSITS OF THE UNITED STATES, 1933-1967, AND U.S.B.M. MINERALS YEARBOOKS 1966-1971, AND CONOLLY, T., 1974, MINING ENG. 26(3): 24-27. (COMPILATION).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1974 Reeves, James R. U.S. Geological Survey