Gold and Copper
By Natalie Hobson 5/6C
What is Gold?
Gold is the most malleable and ductile metal. It is found by mining ,panning or sluicing. It's is also offen used for jewellery,dentistry and artistic purposes.Gold is a precious metal found in the Earth's crust. Gold is found in primary and secondary deposits. Lines of gold in rocks are known as veins. Larger deposits are known as lodes or reefs. Gold is most commonly found in quartz rocks.
What is Copper?
Copper is a weak metal but has tensile strength. Copper is one of the best electrical conductors of all the metals. Copper melting point is 1085 °C and is used mainly for architectures purpose ,circuit boards and home decore.
Golds export information !
Australia is the second largest producer of gold in the world and about 2/3 of Australia's gold comes from Western Australia. The Australian gold export industry is worth about $14 billion dollars per year. Gold is also on Australia's the top ten commodity export list.
Coppers export information !
Australia is the forth largest copper producer in the world and is also on Australia's top ten commodity list. Australia's copper export get about $6 billion dollars a year. Most of Australia's copper comes from South Australia. Though Australia has copper mines in all of states and territories.