300-million-year-old forest unearthed in China - World - DNA: "Researchers have discovered a 300-million-year-old tropical forest, which was preserved in ash when a volcano erupted in what is today northern China.
University of Pennsylvania paleobotanist Hermann Pfefferkorn and colleagues presented a reconstruction of this fossilised forest, lending insight into the ecology and climate of its time.
Pfefferkorn, a professor in Penn’s Department of Earth and Environmental Science, collaborated on the work with three Chinese colleagues: Jun Wang of the Chinese Academy of Sciences, Yi Zhang "
'via Blog this'
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