Investigations included drilling in the eastern part of EL 41, costeaning and close space drilling near Nob Well and Apollonaris anomaly, water well sampling, and ground search for carnotite.

In the central Flinders Ranges, Neoproterozoic and early Palaeozoic rocks are found outcropping within a series of broad, open, dome and basin-shaped folds. This region contains most of the diapiric structures in the Adelaide Geosyncline, many, but...