Iceland Within the Northern Atlantic, Volume 1: Geodynamics and Tectonics

ISBN-13: 9781789450149 / Angielski / Twarda / 2021 / 256 str.

Brigitte Van Vliet-Lanoe

Spis treści

List of Abbreviations ixPreface xvBrigitte VAN VLIET-LANOË and Françoise BERGERATIntroduction xixBrigitte VAN VLIET-LANOË and René MAURYChapter 1. Iceland, in the Lineage of Two Oceans 1Brigitte VAN VLIET-LANOË and Françoise BERGERAT1.1. Geographic and geodynamic context 51.2. Components of the North Atlantic domain 71.2.1. The Mid-Atlantic Ridge 71.2.2. The North Atlantic Igneous Province 71.2.3. The Icelandic hot spot 81.2.4. The Greenland-Iceland-Faroe Ridge 111.3. Geodynamic characteristics of Iceland 111.3.1. Seismicity 121.3.2. Icelandic volcanism 131.3.3. Eustatism and the Icelandic glaciers 141.4. References 18Chapter 2. Iceland, an Emerging Ocean Rift 21Françoise BERGERAT2.1. Mid-Atlantic Ridge and Icelandic hot spot interactions 212.2. Present-day deformations in Iceland 232.2.1. Seismicity 242.2.2. Motions at plate boundaries 392.3. Iceland's main structural features 402.3.1. The paleo-rifts and the active rift 412.3.2. The transform zones 582.4. Geothermal energy and hydrothermalism 862.4.1. Geothermal systems 862.4.2. Geysers and hydrothermalism 942.5. References 97Chapter 3. Iceland, A legacy of North Atlantic History 115Laurent GEOFFROY3.1. Bathymetry of the Northeast Atlantic domain and geoid anomalies 1153.2. The North Atlantic and the continental breakup of Laurussia 1173.2.1. Passive margins and large igneous provinces 1183.2.2. The early beginnings of the opening of the North Atlantic Ocean 1253.2.3.Thulean magmatism in the Paleocene and the continental breakup of the Northeast Atlantic 1333.2.4. Chronology and kinematics of the opening of the Northeast Atlantic 1423.2.5. The Northeast Atlantic region: mantle plume or not? 1513.3. The origin of Iceland 1593.3.1. The anomalous crust of the GIFR ridge and the deep structure of Iceland 1593.3.2. Icelandic SDRs 1623.3.3. Interpretations of GIFR and Iceland 1653.4. References 170Conclusion 179Françoise BERGERAT and Laurent GEOFFROYReferences 185List of Authors 199Index 201Summary of Volume 2 207

O autorze

Brigitte Van Vliet-Lanoë is Emeritus Research Director at CNRS and is part of the Ocean Geosciences Laboratory at the University of Western Brittany, France. A surface geologist, she is a specialist in stratigraphy and the sedimentary formations of cold continental environments and their deformation by paleoseismicity.