Black Rock No. 11 and 15 Prospects

Occurrence in Custer county in Idaho, United States with commodities Gold, Silver, Tungsten
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10071220
MRDS ID W014487
Record type Site
Current site name Black Rock No. 11 and 15 Prospects

Geographic coordinates

Geographic coordinates: -114.66092, 44.00299 (WGS84)
Elevation 2865
Relative position 20.25 MI SE OF STANLEY

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Washington Peak(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 008N 015E 23 NWSE Idaho

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Quartz Gangue

Analytical data

Result 2 STOCKPILE GRAB AND 9 CHIP SAMPLES: 0.01 OZ AU/TON, 0.5 OZ AG/TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name White Cloud Stock-Granite
    Rock description White Cloud Stock-Granite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Wood River Formation-Quartzite
    Rock description Wood River Formation-Quartzite

Nearby scientific data

(1) -114.66092, 44.00299

Economic information

Ore body information

  • General form LENSES

Controls for ore emplacement

  • Shear Zones In Quartzite, Fracture Zones In Granite

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name East Fork District

Land status

Ownership category National Forest
Area name Sawtooth National Forest

Ownership information

  • Type Owner
    Owner Washington Peak Mining Co.

Comments on the workings information

  • 2 ADITS, 8 DOZER CUTS, 14 PITS.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 29-JUN-1992 McHugh, Edward L. U.S. Bureau of Mines

Beyond USGS

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