How much of the element gold is found on earth?

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How much of the element gold is found on earth?

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Compostion of the Earth’s Crust:- Oxide Percent ************* SiO2 – 59.71 Al2O3 – 15.41 CaO – 4.90 MgO – 4.36 Na2O – 3.55 FeO – 3.52 K2O – 2.80 Fe2O3 – 2.63 H2O – 1.52 TiO2 – 0.60 P2O5 – 0.22 ****************** Total – 99.22 * ****************** All the other constituents occur only in very small quantities, and total less than 1%, which includes the impure form (ore)of Gold(Au).

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