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By Dr Chris Pigram
CEO, Geoscience Australia

Welcome to Issue 107 of AusGeo News

This issue includes an article showing the application of airborne electromagnetic (AEM) surveying to mapping uranium mineral systems for uranium exploration in the Lake Frome region of South Australia. This area is Australia's premier sandstone-hosted uranium province, and hosts the only In Situ Recovery uranium mines currently operating in Australia, at Beverley and Honeymoon. The Frome AEM Survey is the last, but largest, of the three regional AEM surveys flown under the Onshore Energy Security Program, and covers roughly 10 per cent of the area of South Australia. The article discusses the application of regional AEM surveying for mapping under-cover geology in this highly prospective area, that has led to a much better mapping of palaeovalleys that host uranium mineral systems, as well as the sedimentary and fault systems that control uranium transport and deposition.

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