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Title

Synchrony of the Central Atlantic magmatic province and the Triassic-Jurassic boundary climatic and biotic crisis

Authors
Bertrand, Hervé
Knight, Kim B.
Cirilli, Simonetta
Buratti, Nicoletta
Vérati, Chrystèle
Nomade, Sébastien
Renne, Paul R.
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Published in Geology. 2004, vol. 32, no. 11, p. 973-976
Abstract The evolution of life on Earth is marked by catastrophic extinction events, one of which occurred ca. 200 Ma at the transition from the Triassic Period to the Jurassic Period (Tr-J boundary), apparently contemporaneous with the eruption of the world's largest known continental igneous province, the Central Atlantic magmatic province. The temporal relationship of the Tr-J boundary and the province's volcanism is clarified by new multi-disciplinary (stratigraphic, palynologic, geochronologic, paleomagnetic, geochemical) data that demonstrate that development of the Central Atlantic magmatic province straddled the Tr-J boundary and thus may have had a causal relationship with the climatic crisis and biotic turnover demarcating the boundary.
Keywords Central Atlantic magmatic provinceflood basaltsmass extinctionTriassic-Jurassic boundaryMorocco
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Other version: http://geology.gsapubs.org/cgi/doi/10.1130/G20652.1
Structures
Research groups Sedimentology, Biostratigraphy and Micropaleontology
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MARZOLI, Andréa et al. Synchrony of the Central Atlantic magmatic province and the Triassic-Jurassic boundary climatic and biotic crisis. In: Geology, 2004, vol. 32, n° 11, p. 973-976. https://archive-ouverte.unige.ch/unige:8543

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Deposited on : 2010-07-02

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