Mount Gibson Iron Limited is an Australia-based company that is engaged in producing and exporting iron ore products. The Company 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 Company 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 Company’s subsidiaries include Mount Gibson Mining Limited, Geraldton Bulk Handling Pty Ltd, Gibson Minerals Ltd and Aztec Resources Limited.