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Rapid light carbon releases and increased aridity linked to Karoo–Ferrar magmat...
Font, E; Duarte, L; Dekkers, M; Remazeilles, C; Egli, R; Spangenberg, J; Fantasia, A; Ribeiro, J; Gomes, E; Mirão, J; AdatteT, TLarge-scale release of isotopically light carbon is responsible for the carbon isotope excursion (CIE) of the Toarcian Oceanic Anoxic Event during the Lower Jurassic. Proposed sources include methane hydrate dissociation, volcanogenic outgassing of carbon dioxide and/or thermogenic methane release from the Karoo‐Ferrar magmatic province (southern Africa). Distinct small-scale shifts superimposed on the long-ter...
Date: 2023
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Origin: Repositório Científico da Universidade de Évora