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Black Rock Prospect

Occurrence in Lemhi county in Idaho, United States with commodity Uranium
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10071989
MRDS ID W015790
Record type Site
Current site name Black Rock Prospect
Related records 10241878

Geographic coordinates

Geographic coordinates: -113.9447, 44.6736 (WGS84)
Elevation 2195
Relative position 5.25 MI NNW OF MAY

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ennis Gulch(quadrangle 1:24,000 scale)

Leadore(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Pahsimeroi(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management ID)

Bureau of Land Management ID BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 016N 021E 35 Idaho

Comments on the location information

  • PLOT IS APPROXIMATE

Commodities

Commodity Importance
Uranium Primary

Analytical data

Result CONSIDERABLE RADIOACTIVITY, READINGS WERE 0.1-0.2 MR/HR

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Challis Volcanics-Sandstone, Siltstone
    Rock description Challis Volcanics-Sandstone, Siltstone

Nearby scientific data

(1) -113.9447, 44.6736
ListMap

Economic information

Ore body information

  • Thickness 1.52M

Economic information about the deposit and operations

Development status Occurrence
Commodity type E
Deposit size Small
Significant No

Mining district

District name May Area

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner George Ellis

Comments on development

  • SEVERAL CLAIMS ; ECON.COM: POWERS SAYS PROBABLY NOT A COMMERCIAL DEPOSIT

Reference information

Bibliographic references

  • Deposit

    POWERS, H. A., 1955, BLACK ROCK: IDAHO BUREAU OF MINES AND GEOLOGY OPEN-FILE REPT

  • Deposit

    1955 RECON IDAHO BUREAU OF MINES AND GEOLOGY OPEN-FILE REPT

General comments

Subject category Comment text
Deposit TRACED FOR SEVERAL THOUSAND FT

Reporter information

Type Date Name Affiliation Comment
Reporter 1977-01-01 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.

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