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Global warming and mass extinctions associated with large igneous province volcanism

Bond, David P.G.; Sun, Yadong

Authors

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David Bond D.Bond@hull.ac.uk
Palaeoenvironmental Scientist and Schools Liason Officer

Yadong Sun



Contributors

Richard E. Ernst
Editor

Alexander J. Dickson
Editor

Andrey Bekker
Editor

Abstract

The coincidence of large igneous province (LIP) eruptions with at least three, if not all, of the Big Five biotic crises of the Phanerozoic implies that volcanism is a key driver of mass extinctions. Many LIP-induced extinction scenarios invoke global warming, caused primarily (but not exclusively) by greenhouse gases emitted at the site of LIP emplacement and by contact metamorphism of carbon-rich host rocks. Here we explore (1) the climate- changing products of volcanism including sulfur dioxide (SO2), carbon dioxide (CO2) and methane (CH4) from eruptions, contact metamorphism, and melting (dissociation) of gas hydrates; (2) their deadly effects, including marine anoxia and thermal stress; (3) increasingly sophisticated paleotemperature proxies (e.g., δ18O of shell material) through case studies of the best-known LIP-warming-extinction nexi; and (4) global warming through the lens of the putative Anthropocene extinction.

Citation

Bond, D. P., & Sun, Y. (2021). Global warming and mass extinctions associated with large igneous province volcanism. In R. E. Ernst, A. J. Dickson, & A. Bekker (Eds.), Large Igneous Provinces: A Driver of Global Environmental and Biotic Changes (83-102). American Geophysical Union. https://doi.org/10.1002/9781119507444.ch3

Publication Date Jan 8, 2021
Deposit Date Sep 6, 2019
Publicly Available Date Aug 5, 2021
Publisher American Geophysical Union
Pages 83-102
Book Title Large Igneous Provinces: A Driver of Global Environmental and Biotic Changes
ISBN 9781119507444; 9781119507451
DOI https://doi.org/10.1002/9781119507444.ch3
Public URL https://hull-repository.worktribe.com/output/2618384
Contract Date Sep 6, 2019

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Copyright Statement
© 2021 The Authors. Co-published 2021 by the American Geophysical Union and John Wiley and Sons, Inc






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