Exploration in the Moonabie area, located 40 km south-west of Whyalla, was aimed at possible concealed epithermal or Alligator Rivers (NT) type stratabound uranium occurrences within the Lower Proterozoic metasedimentary/metavolcanic sequence....

A radon detection track etch (alpha cup) survey was carried out by Terradex Corp. over a 3 x 5 km gridded area, designated the Ash Hall prospect, located 5 km east of the North Middleback Range. The aim was to find if radioactive gas was dispersing...