Continental Rifted Margins 2. Gwenn Peron-Pinvidic

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      First published 2022 in Great Britain and the United States by ISTE Ltd and John Wiley & Sons, Inc.

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      The rights of Gwenn Peron-Pinvidic to be identified as the author of this work have been asserted by her in accordance with the Copyright, Designs and Patents Act 1988.

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      Library of Congress Control Number: 2021950811

      British Library Cataloguing-in-Publication Data

      A CIP record for this book is available from the British Library

      ISBN 978-1-78945-062-0

      ERC code:

      PE10 Earth System Science

      PE10_5 Geology, tectonics, volcanology

      PE10_7 Physics of earth’s interior, seismology, volcanology

      PE10_11 Geochemistry, crystal chemistry, isotope geochemistry, thermodynamics

      PE10_12 Sedimentology, soil science, palaeontology, earth evolution

      Introduction

       Gwenn PERON-PINVIDIC ^{1, 2}

       1 Geological Survey of Norway (NGU), Trondheim, Norway

       2 Department of Geoscience and Petroleum, Norwegian University of Science and Technology, Trondheim, Norway

      Volume 2 of this book presents concise reviews of several examples that represent today’s most discussed sites for rifted margin investigations. These cases span a wide range of rifted margin categories (magma-poor vs. magma-rich, sediment-starved vs. sediment-rich, wide vs. narrow, divergent vs. oblique), with both onshore fossil margins (the Pyrenees, Alps and Scandinavian Caledonides) and offshore modern cases (the Arctic, Iberia, Mid-Norway, the South Atlantic, Gulf of Aden and the South China Sea). The summaries provided here are only short descriptions; if the reader is interested in learning more, we direct you to the lists of key recommended scientific contributions, presented in the “Further reading” sections within the chapters.

Figure I.1 shows where the cases discussed in Volume 2 are located, with their chapter number for reference:

      1 1) Iberia;

      2 2) Mid-Norway;

      3 3) South and Equatorial Atlantic;

      4 4) Gulf of Aden;

      5 5) South China Sea;

      6 6) Arctic;

      7 7) Alpine Tethys;

      8 8) Scandinavian Caledonides;

      9 9) Pyrenees.

Figure I.1. Location of the case examples described in the nine chapters of Volume 2

      1

      The West Iberian Margin: Past and Current Research Concepts and Future Challenges

       Gaël LYMER1 and Tim J. RESTON2

       1 Fault Analysis Group/iCRAG (Irish Centre for Research in Applied Geosciences), School of Earth Sciences, University College Dublin, Ireland

       2 School of Geography, Earth and Environmental Science, University of Birmingham, UK

The West Iberian Margin has historically been at the forefront of fundamental research on rifting and breakup. Decades of drilling, sampling and geophysical campaigns, including a recent high-resolution 3D seismic volume, have placed the West Iberian Margin among the best-documented continental margins worldwide. Data from the West Iberian Margin allowed initial development of the concepts of hyper-extension, detachment faulting, “undercrusting” by serpentinites and exhumed mantle rocks. Above all, they have revolutionized our modern scientific concepts of rifting by allowing us to demonstrate that the rifting process is СКАЧАТЬ