Uranium in North Australian Craton: Resources, Metallogeny, and Potential

I.B. Lambert, S. Jaireth, Y. Miezitis, A.D. McKay
Geoscience Australia

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Introduction

Over a half (570) of the known uranium occurrences in Australia are located in the North Australian Craton and the overlying Ngalia, Amadeus, and McArthur River basins. These occurrences include 43 uranium deposits with recorded resources. The uranium occurrences and deposits show a general spatial relationship to uranium-enriched felsic igneous rocks.

The total uranium resource (production + resources) of the North Australian Craton and the overlying basins amount to about 510,000 t U₃O₈. The bulk of these resources are accounted for by the following: unconformity type in the Pine Creek Orogen (~420,000 t U₃O₈), sandstone uranium (~36,000 t U₃O₈) in the McArthur, Amadeus and Ngalia Basins, metasomatite (~38,000 t U₃O₈) and metamorphic deposits of the Mt Isa Orogen, and calcrete deposits in Arunta.

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Related links

Evolution and metallogenesis of the North Australian Craton Conference Abstracts