PTR is a critical mineral greenfield explorer with an exploration focus on Iron-Oxide Copper-Gold mineralisation in the world-class Olympic copper domain of South Australia. PTR has recently uncovered significant rare earths in clays in the Northern Gawler Craton of South Australia. For inquires, contact PTR Ltd's exploration manager Peter Reid: Tel: 0435 181 705 E: preid@petratherm.com.au