Overview

This book presents the first overview of the Toarcian Oceanic Anoxic Event in the southern Iberian paleomargin, in the western Tethys. The study of catastrophic events that affected the ecosystems in the past is of great interest, because it offers the possibility of establishing models that can be applied to current and future environmental changes. The book provides comprehensive information on the changes in marine ecosystems in connection with a global massive extinction, the Early Toarcian, and with the deposition of black shales, global warming and a disruption of the carbon cycle. In addition, the book describes the incidence of this event in this part of the Tethys close to the connection with the Protoatlantic, the Hispanic Corridor. Special attention is paid to sedimentological and ichnological aspects, fossil content (macroscopic and microscopic), and geochemistry. It also presents the facies changes related to fragmentation of the shelf and the evolution to hemipel agic troughs and swells in this paleomargin. Lastly, it characterizes this anoxic event in under-researched outcrops from southern Spain and compares the findings with those in well-known sections from northern and central Europe. This book offers a unique resource for all researchers interested in the Toarcian Oceanic Anoxic Event, but also in oceanic anoxic events that occurred during the Mesozoic in general, because of their similarity to recent climatic changes.

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9783319672106

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The book contains fifty-two excellent illustrations, which are very useful, accurate, and often colorful. ... The book by Reolid et al. is very interesting and represents an important contribution to the study of the Pliensbachian-Toarcian boundary and the T-OAE. ... This comprehensive book constitutes an up-to-date reference and a great deal of knowledge with regard to its academic style and very rich content for researchers who work on or who are interested in the Toarcian transgression and T-OAE. (Andrea Di Cencio, Mohamed Abioui and Adele Garzarella, Swiss Journal of Palaeontology, Vol. 138, 2019)

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