City of Rocks Uranium Placer Deposit

Prospect in Cassia county in Idaho, United States with commodity Uranium
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. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10070322
MRDS ID W013174
MAS/MILS ID 0160310089
Record type Site
Current site name City of Rocks Uranium Placer Deposit

Geographic coordinates

Geographic coordinates: -113.69087, 42.07681 (WGS84)
Elevation 1829
Relative position 3 1/2 MI. SW. OF ALMO

Site location context

Political divisions (FIPS codes)

Cassia(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Almo(quadrangle 1:24,000 scale)

Oakley(quadrangle 1:100,000 scale)

Pocatello(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Raft(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

City of Rocks National Reserve(National Reserve)

National Reserve NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Idaho Cassia

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 015S 024E 31 SENE Idaho

Commodities

Commodity Importance
Uranium Primary

Analytical data

Result AVERAGE U3O8 EQUIVALENT = 0.011%

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Cassia Batholith-Granodiorite;Pegmatite
    Rock description Cassia Batholith-Granodiorite;Pegmatite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -113.69087, 42.07681

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 6.1M

Economic information about the deposit and operations

Operation type Placer
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Almo Area

Land status

Ownership category Private

Comments on development

  • Econ.Com: Occurrence Of Mineralogic, Rather Than Economic Importance

Reference information

Bibliographic references

  • Deposit

    Armstrong, F. C., 1964, Mineral Resources - Uranium, In Mineral And Water Resources Of Idaho: Idaho Bureau Of Mines And Geology Special Rept. No. 1, P. 258.

  • Deposit

    Powers, H. A., 1955, Uranium: Idaho Bureau Of Mines And Geology Open File Report.

  • Deposit

    IBMG Mines & Prospects Of The Pocatello Quad, 1982, V.E. Mitchell, Et Al

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Matthews, John Y.; Miller, Pat U.S. Geological Survey
Reporter 14-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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