Phase Equilibria in Metamorphic Rocks Thermodynamic Background a
This books aims to provide an introduction to various techniques to determine the pressure and temperature conditions of formation of metamorphic rocks. The necessary thermodynamic foundations and principles, and the basis of geothermobarometric methods,
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S P.Ting er Berhn Heidelberg New York Barcelona Budapest Hong Kong London Milan Santa Clara Singapore Paris
Tokyo
Thomas M.Will
Phase Equilibria in Metamorphic Rocks Thermodynamic Background and Petrological Applications With 84 Figures and 8 Tables
Springer
Dr. Thomas M. Witl Institut t'tir Mineralogie der Universit~it W~irzburg Am Hubland, D-97074 Wiirzburg, Germany
"For all Lecture Notes in Earth Sciences published till now please see final pages of the book"
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Die Deutsche Bibliothek - CIP-Eirdaeitsaufnahme Will, T h o m a s M.: Phase equilibria in metamorphic rocks : t h e r m o d y n a m i c background
and petrological applications ; with 8 tables'/Thomas M. Will. Berlin ; Heidelberg ; N e w York ; Barcelona ; Budapest ; H o n g K o n g ; L o n d o n ; Milan ; Santa Clara ; Singapore ; Paris ; Tokyo : Springer, 1998 (Lecture notes in earth sciences ; 71) ISBN 3-540-64154-8
ISSN 0930-0317 ISBN 3-540-64154-8 Springer-Verlag Berlin Heidelberg New York This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting, reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publication or 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. Violations are liable for prosecution under the German Copyright Law. O Spdnger-Verlag Berlin Heidelberg 1998 Printed in Germany 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. Typesetting: Camera ready by author SPIN: 10552211 32/3142-543210 - Printed on acid-free paper
Preface
Metamorphic rocks make up much of the deeper parts of orogenic belts. The minerals and mineral assemblages present in these rocks contain information about the conditions of formation of the rocks. This information may be used to decipher parts of the tectonometamorphic processes that were involved in the formation of the rocks. The unravelling of the conditions of formation is therefore important if the tectonothermal history of an orogen is to be determined. The quantification of the conditions of equilibration of metamorphic rocks through geothermobarometers and/or phase diagrams, together with an understanding of the textural relations in rocks, enable the construction of the metamorphic pressure-temperature path. Such paths are essential in the description of orogenic processes and, moreover, may help to quantify these processes. The aim of this book is to provide an introduction to various techniques that can be employed to determine the conditions of formation of mineral assemblages and to the
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