Rex Minerals Limited is engaged in minerals exploration and evaluation in Australia. The Company focuses on developing Hillside Project in South Australia. The Company's geographic segment is South Australia. The Company focuses on copper-gold projects. The Company's Hillside Project is situated approximately 12 kilometers south of the township of Ardrossan on the Yorke Peninsula, South Australia. The Mineral Resource of the Hillside Copper Project consists of approximately 337 million tons at 0.6% copper and 0.14 grams per ton gold (g/t) gold, equating to approximately 2.0 million tons (4.3 billion pounds) of copper, 1.4 million ounces (Moz) of gold. The Hillside Project occupies an area of approximately two square kilometers within an exploration license area of over 1,700 square kilometers. The bulk of this area is prospective for copper mineralization.