Porphyry copper deposit

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Porphyry copper deposits are one of the important sources of copper in the world: worldwide average size and grade per deposit about 700Mt containing 0.75% Cu;

A porphyry copper deposit is composed of different layers of copper minerals. Minerals close to the surface are more oxidated than those deeper down. By courtesy of Anna Bauer and Andor Lips
A porphyry copper deposit is composed of different layers of copper minerals. Minerals close to the surface are more oxidated than those deeper down. By courtesy of Anna Bauer and Andor Lips
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