The successful alchemist

Yardley, Bruce
August 1991
New Scientist;8/10/91, Vol. 131 Issue 1781, p26
Discusses insights into the origin of gold that have come from some of the youngest rocks on Earth, still forming in areas of volcanic activity. Feat of natural alchemy that has revealed the complexity of the chemistry deep in the earth; Development of geothermal energy as a power source; Precipitation of gold; Explanation to some of the rich goldfields of southern Africa.


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