1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Letha Lee Prospect

Occurrence in Fremont county in Colorado, United States with commodities Niobium (Columbium), REE, Vermiculite
Map
XML
JSON
KML
B
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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10094586
MRDS ID D009704
Record type Site
Current site name Letha Lee Prospect
Related records 10288509

Geographic coordinates

Geographic coordinates: -105.54891, 38.26862 (WGS84)
Elevation 2435
Relative position 3.4 MILES N 86 E OF HILLSIDE

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hillside(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 Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 020S 073E 33 SW OF NE OF SW Colorado

Comments on the location information

  • IN GEM PARK, SOUTH OF GEM MOUNTAIN AND WEST OF DEMOCRATIC MOUNTAIN, JUST WEST OF VERMICULITE MINE ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Niobium (Columbium) Critical Primary
REE Critical Primary
Vermiculite Secondary

Materials information

Materials Type of material
Ancylite Ore
Monazite Ore
Barite Gangue
Calcite Gangue
Strontianite Gangue

Alteration

  • (Local) Femitization
  • (Local) carbonate

Mineral occurrence model information

Model code 27
USGS model code 11
Deposit model name Alkaline complexes

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite
    Rock unit name Pyroxenite Of The Gem Park Complex;Carbonatite Of The Gem Park Complex
    Rock description Pyroxenite Of The Gem Park Complex;Carbonatite Of The Gem Park Complex
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite

Nearby scientific data

(1) -105.54891, 38.26862
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Central Cordillera (Southern Rocky Mountains)
Type of structure Local
Structure description Gem Park Complex

Ore body information

  • Thickness 3.05M
    Length 15.24M
    Width 15.24M

Controls for ore emplacement

  • Fenitization

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Gem Park Area

Land status

Ownership category Private

Workings at the site

  • Type of workings Surface
    Length 15.24M
    Overall depth 3.05M
    Overall length 15.24M
    Overall width 15.24M

Reference information

Bibliographic references

Reporter information

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

Beyond USGS

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

External references

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.