Newcrest Mining Ltd. explores mines and sells gold and copper concentrates in Australia. The company holds 50% interest in the Wafi-Golpu project in Papua New Guinea and 69.94% interests in the Namosi copper-gold deposit. It mines are located in Australia, Papua New Guinea, Indonesia and CÃ´te d'Ivoire. The company current operations include Cadia Valley Operations, Telfer, Gosowong, Lihir, Hidden Valley and Bonikro. Newcrest Mining was founded in 1990 and is headquartered in Melbourne, Australia.