Researcher journeys to the bottom of the Earth

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Geologist Jeff Vervoort with a 1.86-billion-year-old piece of gneiss he found near Clarkia, Idaho, typical of the rocks at the core of the ancient supercontinent of Rodinia. |
Jeff Vervoort’s research is running hot and cold, in a good way.
Last week, he contributed to a paper in Science showing tropical rain forest biological diversity went up, not down, during a period of global warming 56.3 million years ago.
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Science article, 11-12-2010, “Effects of Rapid Global Warming at the Paleocene-Eocene Boundary on Neotropical Vegetation”