1. Mineral Resources
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  3. Mineral Resource Data System (MRDS)

Little Maud Claim

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

Geologic information

Identification information

Deposit ID 10094516
MRDS ID D008915
Record type Site
Current site name Little Maud Claim

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.3139, 38.19918 (WGS84)
Location accuracy 50(meters)
Relative position 5.2 MILES N 13 E FROM 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)

Upper Arkansas(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 021S 071W 27 NW OF NE OF NW Colorado

Comments on the location information

  • ON NORTH SLOPE NEAR HEADWATERS OF BONEYARD GULCH ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Thorium Primary
REE Critical Primary

Materials information

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

Analytical data

Result .031% EQUIV. U, .001% U, .17% EQUIV. TH02,

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 Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Hornblende-Plagioclase Gneiss And Alaskitic Granite Gneiss; Biotite Gneiss
    Rock description Hornblende-Plagioclase Gneiss And Alaskitic Granite Gneiss; Biotite Gneiss
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

Ore Body (1) -105.3139, 38.19918
ListMap

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

  • General form IRREGULAR, PIPELIKE

Controls for ore emplacement

  • Mineralized Veins

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1952

Mining district

District name Wet Mountains Area; Mckinley Mountain Area

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C. AND SINGEWALD, Q.D. 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULLETIN 1072-H, P. 525

General comments

Subject category Comment text
Deposit Discovery Year: EARLY 1950'S

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.

Maps centered on this site

Authoritative Colorado resources

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