Siberian Trap volcanism, global warming and the Permian-Triassic mass extinction: New insights from Armenian Permian-Triassic sections
Michael M. Joachimski; А. S. Alekseev; Araik Grigoryan, and Yu. А. Gatovsky · 2019
Catalogue summary
Researchers compare carbonate carbon-isotope and conodont-apatite oxygen-isotope records from the Chanakhchi and Vedi II sections in Armenia across the Permian–Triassic boundary. Correlation with sites in Iran and China places carbon-cycle disruption before rapid warming, while a mercury signal associates the temperature rise with a major volcanic episode.
Why this matters
Armenian rock sections provide independently correlated evidence for a global extinction debate, showing how a local geological record can test the sequence connecting volcanism, greenhouse emissions, warming, and ecological collapse.
Citation
Michael M. Joachimski; А. S. Alekseev; Araik Grigoryan, and Yu. А. Gatovsky 2019. Siberian Trap volcanism, global warming and the Permian-Triassic mass extinction: New insights from Armenian Permian-Triassic sections. Geological Society of America Bulletin. https://doi.org/10.1130/b35108.1
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