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Going for gold

Global warming

Next stop after Tahiti is Papua New Guinea, where Seacore will be drilling into volcanic sulphides never before sampled scientifically. These sulphides are believed to be rich in gold, zinc and other valuable metals and the coring will help determine whether mineral and metal concentrations are high enough to justify the cost of extraction. Life forms living around the volcanic sulphides, able to survive in an oxygenpoor atmosphere, are believed by some scientists to have been the first life on the planet.

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