Researchers in front of giant amethyst geode in Uruguay (IMAGE)

University of Göttingen

Researchers in front of giant amethyst geode in Uruguay

Caption

Göttingen University researchers in front of a giant amethyst geode in Uruguay. Geodes like this have been found in cooled lava flows dating from the original breakup of the supercontinent Gondwana around 134 million years ago. Left to right: Dr Klaus Wemmer, Fiorella Arduin Rode, Dr Graciela Sosa, Dr Alfons van den Kerkhof

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Fiorella Arduin Rode

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