The Grasberg mine in Indonesia is the world's largest and richest gold mine, producing 48 tonnes of gold a year, and has reserves worth an estimated $40 billion.

He said this would enable mines to modernise and improve their ability ... It is then transferred to the second factory where it is dried inside enormous rotating tubes, before being passed ...

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The controversial race to mine the deep sea is ramping up around the world. Here’s why Norway is taking a leading role. Photo: Loke Marine Minerals News moves fast, and there's not always time ...