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The anomaly has previously been considered to be as an anomaly related to radon gas dissolved in spring waters. No drilling has been done on the area.
Superior’s work in the Nicholson Project area indicates that the anomaly lies approximately 100 to 150m above the major unconformity between the sandstones and siltstones of the South Nicholson Group and the underlying carbonaceous siltstones of the Doomadgee Formation and the Mt Les Siltstone.
A number of major uranium deposits in the Athabasca Basin of Canada and the Alligator River Region of Australia lie on or close to unconformities between Proterozoic reduced crystalline rocks and overlying sandstones. Hedleys Uranium Prospect therefore warrants further work.
