1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Homestake Mine

Past Producer in Blaine county in Idaho, United States with commodities Lead, Silver, Zinc, Gold
Map
XML
JSON
KML
B
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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10042406
MRDS ID M060180
Record type Site
Current site name Homestake Mine

Geographic coordinates

Geographic coordinates: -114.32647, 43.79933 (WGS84)
Elevation 2316
Relative position 8 1/2 MILES NNE FROM KETCHUM, IDAHO

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rock Roll Canyon(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Wood(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth 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 Idaho Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 005N;006N 018E;018E 04,05;32,33 Idaho

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Critical Primary
Gold Secondary

Comments on the commodity information

  • VEIN CONSISTS OF SHEARED ARGILLITE WITH SOME QUARTZ, CALCITE AND OXIDIZED LEAD-ZINC ORE

Materials information

Materials Type of material
Galena Ore
Smithsonite Ore
Sphalerite Ore
Calamine Gangue
Calcite Gangue
Pyrite Gangue

Alteration

  • (Local) Oxidized Ores Persist Throughout Mine

Analytical data

Result WEIGHTED AVERAGE ASSAY OF KNOWN PRODUCTION IS 15.93 OZ AG/TON, 13.2% PB, 16.3% ZN.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Wood River Formation-Argillite, Quartzite, Limestone;Milligen Formation-Black Argillite
    Rock description Wood River Formation-Argillite, Quartzite, Limestone;Milligen Formation-Black Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -114.32647, 43.79933
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Mine Is In Upper Plate Of Thrust Fault That Dips Sw.
Type of structure Local
Structure description Shear Zone Strikes N 25 W Dips 50 Deg Sw Beds Strike Nw Dip Sw.

Ore body information

  • General form TABULAR
    Strike N 25 W
    Dip 50 SW
    Length 609.6M
    Width 2.13M
    Depth to top 0M
    Depth to bottom 213.36M

Controls for ore emplacement

  • Nw-Trending Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1885

Mining district

District name Warm Springs Creek Mining District

Land status

Ownership category National Forest
Area name Sawtooth National Forest

Ownership information

  • Type Operator
    Owner United Minerals Corp.
  • Type Owner
    Owner Mrs. Angela Ditter (Estate)
    Home office Twin Falls Bank & Trust Co.-Executor

Workings at the site

  • Type of workings Unknown
    Length 1615.44M
    Overall depth 213.36M
    Overall length 304.8M

Comments on the workings information

  • MINE DEVELOPED BY 6 ADITS ABOVE EACH OF WHICH THERE ARE STOPES.

Reference information

Bibliographic references

  • Deposit

    UMPLEBY, J.B., WESTGATE, L.G. AND ROSS, C.P., 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO: USGS BULL. 814, P. 192-195

  • Deposit

    1930 GEOLMAP UMPLEBY, BULL. 81

  • Production

    UMPLEBY, 1930, USGS BULL. 814, P. 193-195

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1973 Puffett, Willard P. U.S. Geological Survey
Updater 01-AUG-1976 Everett, Sandra E. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site