Tallahassee Creek District

Past Producer in Fremont county in Colorado, United States with commodities Uranium, Vanadium
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. 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. Production statistics
  18. Reserves and resources
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10107981
MRDS ID D009336
Record type District
Current site name Tallahassee Creek District
Alternate or previous names Hansen Deposit, Picnic Tree Mine, Colorado Lease 519, Dickson-Snooper Mine, Mary L Mine, Joan
Related records 10142720

Geographic coordinates

Geographic coordinates: -105.54447, 38.54695 (WGS84)
Elevation 2438
Relative position 8 MILES N 65 W OF PARKDALE

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hall Gulch(quadrangle 1:24,000 scale)

Pikes Peak(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 017S;017S 073W;072W 22,25,26,27,36;29,30,31,32 Colorado

Comments on the location information

  • The lat-long location is roughly the center of the Tallahassee Creek district. The district is along Tallahassee Creek, northwest of Parkdale.

Commodities

Commodity Importance
Uranium Primary
Vanadium Critical Secondary

Materials information

Materials Type of material
Coffinite Ore
Uraninite Ore
Hematite Gangue
Limonite Gangue

Alteration

  • (Local) Oxidation; Alteration Of Feldspar To Clay

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Wall Mountain Tuff Was Probable Principal Uranium Source
    Rock description Wall Mountain Tuff Was Probable Principal Uranium Source
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Arkose
    Rock unit name Tallahassee Creek Conglomerate;Echo Park Formation
    Rock description Tallahassee Creek Conglomerate;Echo Park Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -105.54447, 38.54695

Economic information

Geologic structures

Type of structure Regional
Structure description Thirty Nine Mile Volcanic Field, Currant Creek Basin
Type of structure Local
Structure description Echo Park Graben, Paleovalleys

Ore body information

  • General form TABULAR, PODS

Controls for ore emplacement

  • Deposition Controlled By Ground Water Flow Conditions And Carbonaceous Material With Associated Pyrite. Flow Was Impeded By The Fault On The Southern End Of The Echo Park Graben.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1951
Year of first production 1952
Year of last production 1969

Mining district

District name Tallahassee Creek District

Land status

Ownership category Private

Production statistics

  • Year 1971
    Period 1954-1971
    Material U ORE
    Ore mined 77111mt
    Accuracy Estimate
    Description Cp_Grade: ^0.25% U308 Average
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major U3O8 Ore Uranium Uranium 210.55mt 0WT%

Comments on the production information

  • NO PRODUCTION IN INTERVENING YEARS OR AFTER 1972. SHERIDAN AND OTHERS REPORT LOWER PRODUCTION THAN CITED ABOVE FOR 1960. CUMULATIVE ORE TOTAL INCLUDES ESTIMATED 853 ST FOR 1961 BASED ON AVERAGE ORE GRADE OF 0.23% U3O8.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 10077480kg commodity
    Commodity Subtype Grade units Group Importance Year
    Uranium U3O8 0.08 wt-pct Uranium Major 1980

Comments on the reserve resource information

  • 10,077,480 kg U3O8 contained in mineralized material blocked out in the Hansen orebody and the Picnic Tree orebody by Cyprus Mines Corp. between 1977 and 1980 (Babcock, 1980).

Comments on the workings information

  • SURFACE EXPLORATORY CUTS; 16-FT-LONG UPPER ADIT; 425 FT OF WORKINGS ON MAIN LEVEL FROM ADIT DRIVEN GENERALLY WESTWARD

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit BELT OF LAYERED CALC-SILICATE GNEISS TRENDS N 70 TO 90 E. DEPOSIT LIES ON BRANCH OF HURRICANE HILL FAULT SYSTEM KNOWN AS ASCENSION FAULT, WHICH TRENDS N 62 W, 66 TO 85 NE AND IS ACTUALLY COMPOSED OF SEVERAL SUBPARALLEL ANASTAMOSING FAULT SURFACES. ASCENSION FAULT FORMS V-SHAPED BLOCK WITH SECOND FAULT TO NE TRENDING LESS NW, BOTH SHOWING RIGHT-LATERAL DISPLACEMENT. PITCHBLENDE OCCURS AS COLLOFORM COATINGS ON QUARTZ- AND CARBONATE-CEMENTED BRECCIA FRAGMENTS IN HANGING WALL OF ASCENSION FAULT AND AS THIN STRINGERS ON SUBSIDIARY FAULTS AND FRACTURES.
Deposit DUPLICATE D002241 DELETED ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1982 Collins, Donna B. Colorado Geological Survey
Updater 14-JUN-2004 Keller, John W. 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.