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Scientists discovered a 300-million-year-old tropical forest preserved under volcanic ash in China
An exceptional discovery in northern China has revealed a 300-million-year-old tropical forest preserved under volcanic ash.
Tree-ring samples taken by Paulo Quadri, who earned a Ph.D. in environmental studies from UC Santa Cruz, were included in the study. (Photo by Luz A. de Wit) The top-line findings of a massive ...
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