An orientation geothermal ground survey at Collie Coalfield, W.A., indicates that this method is a cheap exploration tool to detect oxidising coal seams at or near crop and the presence of fault zones.
POLEY, J. Ph. and J. van STEVENINCK, 1970. Geothermal prospecting – delineation of shallow salt domes and surface faults by temperature measurements at a depth of approximately 2 metres, Geophys. Prosp. 18 Supplement, 666-700.