Mount Gibson Iron Limited (MGX) is involved in mining, processing and direct shipment of hematite iron ore at the Koolan Island mine site in the Kimberley region of Western Australia; care and maintenance of the Shine hematite iron ore site and related infrastructure, rehabilitation works at the Extension Hill mine site and management of the Geraldton Port facilities in the Mid-West region of Western Australia; treasury management; and the pursuit of mineral resources acquisitions and investments.