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- W4328105052 endingPage "111518" @default.
- W4328105052 startingPage "111518" @default.
- W4328105052 abstract "A major bio-crisis in the Guadalupian−Lopingian transition (Capitanian−Wuchiapingian, middle−late Permian), possibly driven by the volatile eruption of the Emeishan large igneous province (LIP), was marked by the first-order collapse of global metazoan reefs and decline of fusulinid foraminifera, but with only minor impacts on other marine invertebrates (brachiopod, crustacea, other foraminifera). To assess the exact cause of this event, we conducted geochemical analyses of the shallow marine strata at the global stratotype section and point of the Guadalupian−Lopingian (G−L) boundary (GLB) in Laibin, South China, which corresponds to the last step of the Capitanian bio-crises during Emeishan volcanism. Here, we detect evidence for high temperature combustion of organic matter in air spanning the GLB (indicated by enriched coronene) that was terminated by a soil erosion event accompanied with terrestrial vegetation collapse at the mass extinction level (evidenced by enriched dibenzofuran) and a carbon isotope perturbation (a 2.5–3.5‰ negative shift of δ13Ccarb). Molybdenum data indicates oxic seawater during the combustion event, likely reflecting regression. These findings imply that large volatile volcanic eruptions of the Emeishan LIP may have caused these environmental extreme events and mass extinctions, and that relatively lower magnitude of volcanism related to Emeishan LIP may have led to impacts on terrestrial−nearshore ecosystems." @default.
- W4328105052 created "2023-03-22" @default.
- W4328105052 creator A5054451564 @default.
- W4328105052 creator A5062385838 @default.
- W4328105052 creator A5077335133 @default.
- W4328105052 date "2023-05-01" @default.
- W4328105052 modified "2023-10-16" @default.
- W4328105052 title "High-temperature combustion event spanning the Guadalupian−Lopingian boundary terminated by soil erosion" @default.
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- W4328105052 doi "https://doi.org/10.1016/j.palaeo.2023.111518" @default.
- W4328105052 hasPublicationYear "2023" @default.
- W4328105052 type Work @default.