Petratherm Limited, together with its subsidiaries, engages in the mineral exploration activities. It explores for gold, copper, and rare earth minerals. The company's principal projects include the Mabel Creek Ridge project that covers approximately 2852 km2 in South Australia; the Yuengroon project totaling approximately 683 km2 in Victoria; and the Silver Spoon project in Victoria. Petratherm Limited was founded in 2003 and is based in Dulwich, Australia.