Unidentified Occurrence

Prospect in Custer county in Colorado, United States with commodity Thorium
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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10094513
MRDS ID D008869
Record type Site
Current site name Unidentified Occurrence
Alternate or previous names Unnamed Prospect

Geographic coordinates

Geographic coordinates: -105.31335, 38.12668 (WGS84)
Elevation 2743
Relative position 0.86 MILES N 86 E OF QUERIDA

Site location context

Political divisions (FIPS codes)

Custer(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Tyndall(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Colorado Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 022S 071W 22 NW OF NW Colorado

Comments on the location information

  • 1000 FT SSW OF MAIN PIT ON THE NIGHTENGALE PROPERTY AND 1200 FT NW OF CHARLESTON PROPERTY ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Thorium Primary

Materials information

Materials Type of material
Thorite Ore
Barite Gangue
Fluorite Gangue
Galena Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Red Staining Associated With Radioactivity

Analytical data

Result .08 TO .14% EQUIV. U, .002% U, .44 TO .77% EQUIV. THO2

Mineral occurrence model information

Model code 30
USGS model code 11d
Deposit model name Thorium-rare-earth veins

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Intrusive Rhyolite Porphyry
    Rock description Intrusive Rhyolite Porphyry
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Hornblende-Plagioclase Gneiss And Alaskitic Granite Gneiss
    Rock description Hornblende-Plagioclase Gneiss And Alaskitic Granite Gneiss

Nearby scientific data

(1) -105.31335, 38.12668

Economic information

Geologic structures

Type of structure Regional
Structure description Wet Mountains
Type of structure Local
Structure description Nw-Trending Shear Zones

Ore body information

  • Length 121.92M

Controls for ore emplacement

  • Mineralized Veins

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1951

Mining district

District name Wet Mountains Area

Land status

Ownership category Private

Comments on the workings information

  • SINGLE PIT OF UNKNOWN DIMENSIONS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit STRONGLY RADIOACTIVE ALONG VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1982 Collins, Donna B. Colorado Geological Survey

Beyond USGS

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

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.