Australia, New Zealand Encyclopedia 5. (töredék) [antikvár]

COPPERCopper was one of the first metals used by man. It is a chemical element which is found in the same ores as silver, lead, zinc and gold. Copper ores are mined in all Australian States, and in Papua New Guinea. Austraha is one of the ten major copper-producing countries in the world. In New Zealand, most of the copper ore mined is used to provide trace elements in fertilizers.Australia's copper and copper ore exports in 1973-1974 were valued at $A57,740,000. Most of this copper came from deposits at mount isa and mount morgan in Queensland; mount lyell in Tasmania; Cobar in New South Wales; and tennant creek in the Northern Territory.Bougainville Island is the site of the largest copper project in Papua New Guinea. Ore1.Bouaainvills, PNG2.Mount Isa. OLD3.MountLyell, TAS4.MountMorgan. QLO5.Cobar,NSW6.TennantCreek. NT7.Ravensthorpe, WATop: A locomotive hauls copper ore underground at Mt Isa. Above: Main regions of copper deposits in Australia and PNG.from the open-cut mine at Panguna is crushed, made into a slurry with water, and then pumped 26km through a pipeline to the port at Anewa Bay. The ore is then exported to Europe and Japan.337