Cago No. 12 Claim

Past Producer in Lemhi county in Idaho, United States with commodities Thorium, Silver, REE
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. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10072007
MRDS ID W015813
Record type Site
Current site name Cago No. 12 Claim
Related records 10241784

Geographic coordinates

Geographic coordinates: -113.4892, 44.95159 (WGS84)
Elevation 2316
Relative position 8.25 MI E OF TENDOY

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lemhi Pass(quadrangle 1:24,000 scale)

Leadore(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lemhi(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 019N 025E 28 Idaho

Comments on the location information

  • CAGO NO. 12 CLAIM A FEW HUNDRED YARDS DOWN THE IDAHO SLOPE OF THE CONTINENTAL DIVIDE NEAR CAMP CREEK, AN UPPER TRIBUTARY TO AGENCY CREEK

Commodities

Commodity Importance
Thorium Primary
Silver Tertiary
REE Critical Tertiary

Comments on the commodity information

  • DEPOSIT HAS MOST RADIOACTIVITY OF ANY IN THE DISTRICT

Materials information

Materials Type of material
Allanite Ore
Chalcopyrite Ore
Galena Ore
Monazite Ore
Rutile Ore
Thorite Ore
Xenotime Ore
Apatite Gangue
Barite Gangue
Chalcedony Gangue
Goethite Gangue
Magnetite Gangue
Microcline Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Sericite

Analytical data

Result 1 HEMATITIC ORE SAMPLE CONTAINED 14.79% COMBINED RAE, TH OXIDES
Result ANOTHER MORE SILICEOUS SAMPLE CONTAINED 0.7% RAE AND TH OXIDES
Result 2 OTHER HEMATITIC SAMPLES HAD 13.5 AND 9.6% COMBINED RAE AND TH OXIDES. 3 CHIP SAMPLES OF VEIN CONTAINED 0.085-0.29% THO2

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -113.4892, 44.95159

Economic information

Geologic structures

Type of structure Local
Structure description Shearing, Fracturing, Slickensides

Ore body information

  • General form LENS, LENTICULAR
    Strike N 55 DEG W
    Dip 48 DEG SW
    Thickness 3.96M
    Length 853.44M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Lemhi Pass Area

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Salmon Uranium And Thorium Co., Inc.

Comments on the workings information

  • 1 PIT, 8 LONG TRENCHES, 3 OPEN ADITS

Comments on development

  • ECON.COM: CONTENT OF RAE OXIDES EXCEEDS THAT OF THE THORIA BY A SMALL AMOUNT

Reference information

Bibliographic references

  • Deposit

    STAATZ, M. H., 1972, GEOLOGY AND DESCRIPTION OF THE THORIUM-BEARING VEINS, LEMHI PASS QUADRANGLE, IDAHO AND MONTANA: USGS BULL. 1351, 94 P.

  • Deposit

    NEWTON, J., AND OTHERS, 1960, STUDY OF TWO IDAHO THORITE DEPOSITS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPH 122, P. 39.

  • Deposit

    ANDERSON, A. L., 1958, URANIUM, THORIUM, COLUMBIUM, AND RARE EARTH DEPOSITS IN THE SALMON REGION, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 115, 81 P.

  • Deposit

    1958 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 115

  • Deposit

    1960 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 122

  • Deposit

    1972 GEOLMAP STAATZ, M. H., BULL. 1351

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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.