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Karla Kay Mine

Past Producer in Montezuma county in Colorado, United States with commodities Uranium, Vanadium, Manganese
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10014206
MRDS ID D010876
Record type Site
Current site name Karla Kay Mine
Related records 10142142

Geographic coordinates

Geographic coordinates: -108.86261, 37.34112 (WGS84)
Elevation 1792
Relative position 14.7 MILES S 88 W FROM CORTEZ

Site location context

Political divisions (FIPS codes)

Montezuma(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Battle Rock(quadrangle 1:24,000 scale)

Cortez(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

McElmo(hydrologic unit)

Lower San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Montezuma

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 036N 018W 32 NW OF NW Colorado

Commodities

Commodity Importance
Uranium Primary
Vanadium Critical Primary
Manganese Critical Primary

Materials information

Materials Type of material
Carnotite Ore
Gypsum Gangue
Limonite Gangue
Pyrolusite Gangue

Analytical data

Result BACKGROUND RADIATION 0.004 MR/HR, RANGE 0.016 TO 0.02 MR/HR. ORE GRADES 0.08% U308, 0.45% V205. GREEN MUDSTONE SAMPLE FROM BRUSHY BASIN MBR CONTAINED L.T. 0.001% EQUIV U308 (RADIOMETRIC)
Result SANDSTONE SAMPLE FROM KARLA KAY MBR CONTAINED 0.004% EQUIV U308 (RADIOMETRIC)
Result MUDSTONE PEBBLE CONGLOMERATE SAMPLE FROM KARLA KAY MBR CONTAINED 0.016% EQUIV U308 (RADIOMETRIC), 0.019% U308 AND 0.32% V205 (CHEMICAL)
Result CONGLOMERATE SAMPLE FROM KARLA KAY MBR CONTAINED 0.007% EQUIV U308 (RADIOMETRIC), 0.012% U308 AND L.T. 0.1% V205 (CHEMICAL).

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Karla Kay Conglomerate Member Of Burro Canyon Formation;Brushy Basin Member Of Morrison Formation
    Rock description Karla Kay Conglomerate Member Of Burro Canyon Formation;Brushy Basin Member Of Morrison Formation
    Stratigraphic age (youngest) Early Cretaceous

Nearby scientific data

(1) -108.86261, 37.34112
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Paradox Basin, Blanding Basin, Four Corners Platform, San Juan Basin
Type of structure Local
Structure description Mcelmo Anticline, Unnamed Syncline

Controls for ore emplacement

  • Carbonized Plant Detritus In Channel-Fill Conglomerate

Economic information about the deposit and operations

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

Mining district

District name Mcelmo Creek (Ute Mountains) Area

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Four Corners Uranium Co.
    Home office Denver, Co.
    First year 1955

Production statistics

  • Year 1971
    Period -1971
    Description Cp_Grade: ^0.08% U308, 0.45% V205
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major V2O5 Ore Vanadium Vanadium 0wt-pct
    Major U3O8 Ore Uranium Uranium 0wt-pct

Workings at the site

  • Type of workings Underground
    Length 19.81M

Comments on the workings information

  • ONE TUNNEL DRIVEN ENE FOR 25 FT TO FACE OF EAST DRIFT. AT 10 FT FROM PORTAL, 15-FT DRIFT DRIVEN SOUTH AND 25-FT DRIFT DRIVEN NORTH AND NE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT LIES NORTH OF UNNAMED SYNCLINE ON SW FLANK OF MCELMO DOME. LENTIL OF MUDSTONE CONGLOMERATE CONTAINING TREE MOLDS AND FEW CRABONIZED TREE REMNANTS FILLS CHANNEL CUT INTO BENTONITIC MUDSTONE OF BRUSHY BASIN MEMBER OF MORRISON FM AND UNDERLIES FINE- TO MEDIUM-GRAINED, PORRLY SORTED, QUARTZ SANDSTONE WITH SPARSE CHERT PEBBLES THAT UNDERLIES MAIN LENS OF KARLA KAY SHOESTRING CONGLOMERATE SYSTEM. HIGHEST RADIOACTIVITY ASSOCIATED WITH CARBONIZED PLANT DEBRIS AT TOP OF MUDSTONE CONGLOMERATE LENTIL; CARNOTITE WEAKLY DISSEMINATED AND FORMS COATING ON MUDSTONE PEBBLES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1983 Schwochow, Stephen D. 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.