Mount Gibson Iron Ltd. engages in the business of mining, exploration, and development of hematite iron ore deposits. The company is headquartered in Perth, Western Australia and currently employs 373 full-time employees. The firm operates through Koolan Island segment, which includes the mining, crushing and sale of iron ore direct from the Koolan Island iron ore operation. Its Koolan Island operation is located in the Buccaneer Archipelago approximately 140 km north of Derby, in the Kimberley region of Western Australia. The firm has mining and exploration interests in Tallering Peak mining area located approximately 160km northeast of Geraldton, with a focus on exploring for base metals mineralization. The firm has also entered into an agreement to acquire approximately 50% interest in the Central Tanami Gold Project in the Northern Territory.