Pattern of Marine Mass Extinction Near the Permian-Triassic Boundary in South China

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Science  21 Jul 2000:
Vol. 289, Issue 5478, pp. 432-436
DOI: 10.1126/science.289.5478.432

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The Meishan section across the Permian-Triassic boundary in South China is the most thoroughly investigated in the world. A statistical analysis of the occurrences of 162 genera and 333 species confirms a sudden extinction event at 251.4 million years ago, coincident with a dramatic depletion of δ13Ccarbonate and an increase in microspherules.

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