Nature Communications (Dec 2022)

Ordovician–Silurian true polar wander as a mechanism for severe glaciation and mass extinction

  • Xianqing Jing,
  • Zhenyu Yang,
  • Ross N. Mitchell,
  • Yabo Tong,
  • Min Zhu,
  • Bo Wan

DOI
https://doi.org/10.1038/s41467-022-35609-3
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 12

Abstract

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Palaeomagnetic data from South China and compiled reliable palaeopoles from 4 other continents reveals a ~50˚ true polar wander (TPW) event occurring 450–440 million years ago. Sweeping Gondwana across the South Pole, this TPW event induced the Ordovician glaciation and mass extinction.