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Homestake Group

Occurrence in Boise county in Idaho, United States with commodities Gold, Silver, Zinc, Lead, Copper
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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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10071162
MRDS ID W014401
Record type Site
Current site name Homestake Group
Related records 10289728

Geographic coordinates

Geographic coordinates: -115.80156, 44.03488 (WGS84)
Elevation 1585
Relative position 10 1/4 MI WSW OF LOWMAN

Site location context

Political divisions (FIPS codes)

Boise(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grimes Pass(quadrangle 1:24,000 scale)

Deadwood River(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boise-Mores(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Boise 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 Boise

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 008N 005E 13 Idaho

Commodities

Commodity Importance
Gold Primary
Silver Primary
Zinc Critical Primary
Lead Primary
Copper Primary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitized

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Rhyolite Porphyry Dikes;Idaho Batholith-Quartz Monzonite, Granodiorite
    Rock description Rhyolite Porphyry Dikes;Idaho Batholith-Quartz Monzonite, Granodiorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -115.80156, 44.03488
ListMap

Economic information

Ore body information

  • General form BUNCHES, SEAMS, STRINGERS
    Strike N 70 DEG E
    Dip SE
    Length 6.1M
    Width 0.61M

Controls for ore emplacement

  • Fissure And Fracture Zones

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Grimes Pass District

Land status

Ownership category National Forest
Area name Boise National Forest

Ownership information

  • Type Owner
    Owner Grimes Homestake Gold Mines Consolidated, Inc.

Workings at the site

  • Type of workings Underground
    Length 243.84M

Comments on the workings information

  • 2 TUNNELS

Comments on development

  • 17 CLAIMS

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944-C, P. 119-319

  • Deposit

    1947 GEOLMAP ANDERSON, A. L., BULL. 944-C

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Siefken, Robert R. (Miller, Pat) 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