TARGET: Definition of economic brown coal mineralisation in the northern Saint Vincent Basin. EXPLORATION: Open-hole rotary drilling of 127 holes totalling 11,103 m, including a reported minimum of 468 m of HQ rotary coring in 24 of the holes. The...

A combined sample of 6 borehole cores was used to study the reduction of soluble salts, mainly sodium chloride, in Wakefield coal by a process of water leaching. Practically all the sodium chloride was removed and other chlorides and sulphates were...