Take the example of gold. 80 per cent of the gold dug out of the earth is used to produce jewellery or is stored as bullion and the rest is used in mobile phones, dentistry and computers. There is five grams of gold in the average wedding ring. To produce one gold ring the mining company moves 10 tonnes of rock, the weight of ten ford falcons and two million times the weight of the ring. It takes ten litres of diesel petrol to dig the rock up and the processing uses two per cent of the annual electricity consumption for the average family and requires a lot of water – 8600 litres per ring. And for each ring a newspaper sized piece of land is destroyed.
http://darinsullivan.blogspot.com/2012/01/australias-mining-boom-dirty-business.html
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