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Nabarlek

Producer in Northern Territory*, Australia with commodity Uranium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  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. Ownership information
  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 10009875
MRDS ID D003131
Record type Site
Current site name Nabarlek

Geographic coordinates

Geographic coordinates: 133.37404, -12.30565 (WGS84)
Relative position AT NABARLEK, ABOUT 265 KM E, NE OF RUM JUNGLE; ABOUT 250 KM E OF DARWIN; ABOUT 29 KM E OF OENPELLI MISSION

Site location context

Political divisions (FIPS codes)

Northern Territory*(province)

Australia(country)

Australia(continent)

Land(continent)

Geographic areas

Country State
Australia Northern Territory*

Comments on the location information

  • SEE FIG. 1 IN DODSON AND OTHERS, 1974 , FOR LOCATION

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Uraninite Ore
Chlorite Gangue

Alteration

  • (Local) Chloritization, Sericitization, And Hematization Extensive.

Mineral occurrence model information

Model code 280
USGS model code 37a
Deposit model name Unconformity U-Au

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoarchean
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) 133.37404, -12.30565
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Well Developed Crush Zone Transgressing Tightly Folded Myra Falls Quartz-Muscovite-Schist, And Terminating At Depth On Dolerite Sill

Ore body information

  • General form LENTICULAR
    Strike NNW
    Dip 30 - 45 NE
    Thickness 0.6M
    Length 271M
    Width 30M
    Depth to top 1.5M
    Depth to bottom 85M

Controls for ore emplacement

  • Sediments Dip Steeply Away From The Late Archean Rum Jungle Complex, Indicating Post-Archean Updoming Of The Complex At The Close Of Sedimentation In The Pine Creek Geosyncline. The Complex Is Cut By The Giant'S Reel Fault. The Anomalies Align With Local Fault.

Comments on the geologic information

  • DODSON AND OTHERS, 1974 : 1880 , 1700 , 900 , AND 500 M.Y. COOPER, 1973 : EITHER 710 OR 815 M.Y. AGO. THE LOWER OF THE CALCULATIONS IS BASED ON THE ASSUMPTION OF MODERN EPISODIC LEAD LOSS, AND THE HIGHER ASSUMES LEAD LOSS BY CONTINUOUS DIFFUSION. FERRIS, 1973 : 920 M.Y.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1970
Discoverer Hunting Geology And Geophysics, Ltd.

Mining district

District name Alligator Rivers Area Between South Alligator River And Cooper Creek; Oenpelli Mission District Arnhem Land

Ownership information

  • Type Owner
    Owner Queensland Mines, Ltd.

Comments on the reserve resource information

  • ITEM 1 IS INCLUDED IN ITEM 2

Workings at the site

  • Type of workings Surface
    Overall length 1003.1M
    Overall width 91M

Comments on the workings information

  • DISSEMINATED URANIUM MINERALS OCCUR ALONG STRIKE FOR A TOTAL OF ABOUT 270 M. THE LODE STRIKES N - NW PARALLEL TO THE SCHISTOSITY OF THE HOST ROCK. ORE EXTENDS TO A DEPTH OF ABOUT 70 M, LENSING OUT ABOVE A THICK FLAT-LYING DYKE OF OENPELLI DOLERITE.

Comments on development

  • AS OF 1-87, OPERATIONS HAD BEEN SUSPENDED.

Reference information

Bibliographic references

  • Deposit

    DODSON, R. G., NEEDHAM, R. S., WILKES, P. G., PAGE, R. W., SMART, P. G., AND WATCHMAN, A. L., 1974 , URANIUM MINERALIZATION IN THE RUM JUNGLE-ALLIGATOR RIVERS PROVINCE, NORTHERN TERRITORY, AUSTRALIA, IN SYMPOSIUM ON FORMATION OF URANIUM ORE DEPOSITS: INTERNATIONAL ATOMIC ENERGY AGENCY, ATHENS 1974 , PROC., P. 551 - 568

  • Deposit

    WALPOLE, B. P., CROHN, P. W., DUNN, P. R., AND RANDALL, M. A., 1968 , GEOLOGY OF THE KATHERINE-DARWIN REGION, NORTHERN TERRITORY: AUSTRALIA BUR. MINERAL RESOURCES, GEOLOGY AND GEOPHYSICS BULL. 82 , V. 1 , 304 P.; V. 2 , 5 MAPS.

  • Deposit

    DODSON, R. C., 1972 , SOME ENVIRONMENTS OF FORMATION OF URANIUM DEPOSITS, IN URANIUM PROSPECTING HANDBOOK: PROCEEDINGS OF A NATO-SPONSORED ADVANCED STUDY INSTITUTE ON METHODS OF PROSPECTING FOR URANIUM MINERALS, LONDON 1971 , EDITED BY S. H. U. BOWIE, MICHAEL DAVIS, AND DENNIS OSTLE, LONDON: INST. MINING AND METALLURGY TRANS., P. 33 - 46

  • Deposit

    PRICHARD, C.E., 1965, URANIUM ORE DEPOSITS OF THE SOUTH ALLIGATOR RIVER, IN GEOLOGY OF AUSTRALIAN ORE DEPOSITS, 2D ED.: MCANDREW, J., ED., MELBOURNE CONGRESS AND AUSTRALIAN IMM, 1965, P. 207-209. PUBLICATIONS 8TH COMMONWEALTH MIN. METALL. CONGR. AUSTRALIA N.Z., 1965, V. 1.

  • Deposit

    TAYLOR, J., 1968 ORIGIN AND CONTROLS OF URANIUM MINERALIZATION IN THE SOUTH ALLIGATOR VALLEY, IN URANIUM IN AUSTRALIA: SYMPOSIUM, MELBOURNE: AUSTRALASIAN INST. MINING AND METALLURGY PROC. P. 32-44.

  • Deposit

    WOODMANSEE, W.C., 1970, URANIUM, IN BUREAU OF MINES MINERALS YEARBOOK, 1970: U.S. DEPARTMENT OF THE INTERIOR, 23 P.

  • Deposit

    DE FERRANTI, R.Z., 1971, URANIUM, IN AUSTRALIAN MINERAL INDUSTRY, 1970 REVIEW (INCLUDING INFORMATION TO JUNE 1971): AUSTRALIA BUREAU OF MINERAL RESOURCES, GEOLOGY AND GEOPHYSICS REPORT, P. 297-302.

  • Deposit

    COOPER, J.A., 1973, ON THE AGE OF URAIUM MINERALIZATION AT NABARLEK, NORTHERN TERRITORY, AUSTRALIA: AUSTRALIA JOURNAL GEOL. SOC., V. 19, PT. 4, P. 483-486.

  • Deposit

    TIPPER, D.B., AND LAWRENCE, G., 1972, THE NABARLEK AREA, ARNHEMLAND, AUSTRALIA: A CASE HSTROY, P. 310-305, IN URANIUM PROSPECTING HANDBOOK: PROC. NATO-SPONSORED ADVANCED STUDY INS.

  • Deposit

    MINING MAGAZINE, JANUARY, 1987, P. 60.

  • Deposit

    MINING MAGAZINE, 1974, V. 131, NO. 1.

General comments

Subject category Comment text
Deposit NABARLEK (QUEENSLAND MINES), KOONGARRA (NOVANDA AUSTRALIA LTD.) ALSO KNOWN AS JIM JIM, AND JABILUKA (PANCONTINENTAL MINING) ARE IN THE ARNHEM LAND AREA, WHICH HAD BEEN CLASSIFIED AS AN ABORIGINAL RESERVE, AND WAS CLOSED TO EXPLORATION UNTIL LATE 1960'S. SIGNIFICANT FINDS OF URANIUM MINERALIZATION HAVE BEEN DISCLOSED IN THIS AREA SINCE 1970

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1974 Byers, Virginia P. U.S. Geological Survey

Beyond USGS

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

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