Geodynamics of the Lithosphere

This book is an introduction to the quantitative treatment of geological problems. It was originally written as a guide for field geologists who wish to quantitatively understand or test their tectonic models. However, the book is an introduction to geody

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Geodynamics of the Lithosphere

Springer-Verlag Berlin Heidelberg GmbH

Kurt Stowe

Geodynamics

of the Lithosphere with 210 Figures

Springer

DR. KURT STUWE

University of Graz Department of Geology and Paleontology Heinrichstrasse 26 8010 Graz Austria

ISBN 978-3-662-04982-2

Library of Congress Cataloging-in-Publication Data Sttiwe, Kurt, 1959Introduction to the geodynamics of the lithosphere : quantative description of geological problems / Kurt Sttiwe. p.cm. Includes bibliographical references. ISBN 978-3-662-04982-2 ISBN 978-3-662-04980-8 (eBook) DOI 10.1007/978-3-662-04980-8 1.Geodynamics--Mathematics. 1. Title. This work is subject to copyright. AII rights are reserved, whether the whole or part of the material is concemed, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication Of parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag Berlin Heidelberg GmbH. Violations are liable for prosecution under the German Copyright Law. http://www.springer.de © Springer-Verlag Berlin Heidelberg 2002 Origina1ly published by Springer-Verlag Berlin Heidelberg New York in 2002 Softcover reprint of the hardcover 1st edition 2002 The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Product liability: The publishers cannot guarantee the accuracy of any information about the application of operative techniques and medications contained in this book. In every individual case the user must check such information by consulting the relevant literature. Camera ready by author Cover design: E. Kirchner, Heidelberg Printed on acid-free paper SPIN 10793778 32/3l30/as 5432 l O

I dislike very much to consider any quantita-tive problem set by a geologist. In nearly every case, the conditions given are much too vague for the matter to be in any sense satisfactory, and a geologist does not seem to mind a few millions of years in matters relating to time ... John Perry, 1895 (In the paper in which he recalculated the age of the Earth - previously estimated by Lord Kelvin to be 90 my - to the still accepted age of 4.5 Gy.)

Preamble

Field geologists typically interpret their data in terms of tectonic models that are consistent with their observations in a given terrain, but that often lack an independent test. Such models can be strengthened considerably if they are supported by independent estimates of the magnitude of the implied geodynamic processes. For example, estimates of the thermal energy budget of a metamorphic terrain are an invaluable aid for the tectonic interpretation of metamorphic isograds mapped in the field; estimate