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  3. Mineral Resource Data System (MRDS)

Tomsick Property

Past Producer in Custer county in Colorado, United States with commodity Thorium
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10010886
MRDS ID D004950
Record type Site
Current site name Tomsick Property

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -105.29224, 38.16668 (WGS84)
Elevation 2742

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 22S 71W 02 Colorado

Comments on the location information

  • ON THE TOMSICK RANCH, WHICH LIES JUST OFF COLORADO HIGHWAY 96, NEAR SILVER PARK

Commodities

Commodity Importance
Thorium Primary

Materials information

Materials Type of material
Thorite Ore

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 Alaskitic Granite Gneiss And Lesser Amounts Of Undivided Sedimentary Gneisses
    Rock description Alaskitic Granite Gneiss And Lesser Amounts Of Undivided Sedimentary Gneisses
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic

Nearby scientific data

Approximate (1) -105.29224, 38.16668
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Wet Mountains, Alkalic Intrusives
Type of structure Local
Structure description Nw-Trending Shear Zones, Veins

Controls for ore emplacement

  • Nw-Trending Shear Zones, Veins

Economic information about the deposit and operations

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

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    BROCK, M.R. AND SINGEWALD, Q.D., GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596- 1:24,000

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1980 Foord, Suzann C U.S. Geological Survey
Updater 01-MAR-1982 Collins, Donna B. U.S. 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.