St Barbara is an Australian based, ASX 200 gold producer and explorer. St Barbara's assets include the Gwalia mine at Leonora in Western Australia and the Simberi mine in Papua New Guinea. At 30 June 2016, St Barbara had Mineral Resources of over 9 million ounces of contained gold including Ore Reserves of 4 million ounces of contained gold as well as an extensive landholding comprising granted tenements and tenement applications in Australia and Papua New Guinea. Gold Mining & Exploration