Atlas of Metamorphic-metasomatic Textures and Processes

Atlas of Metamorphic-metasomatic Textures and Processes PDF

Author: S. S. Augustithis

Publisher: Elsevier Publishing Company

Published: 1990

Total Pages: 248

ISBN-13:

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Hardbound. This monograph is essentially an atlas, illustrated by 375 figures (mainly photomicrographs) presenting the most common and significant textures of the metamorphic-metasomatic rocks from many important regions of the world. The book as a whole covers the wide spectrum of metamorphic processes and the basic relation of metamorphic processes and textures is emphasised.Metamorphism-metasomatism is seen as an integral system where every textural intergrowth is the result of a particular process. In addition, principles of comparative anatomy (widely accepted in bioscience) are applied in metamorphic petrology and conclusions are reached inductively, based on textural analysis. The comparative anatomy approach aims at finding ideas and principles that will attempt to unify diverse, textural patterns of an evolving system (as rocks are) and integrate them into concepts of wide application.Emphasis is put on the significance of crystalloblaste

Metasomatic Textures in Granites

Metasomatic Textures in Granites PDF

Author: Jiashu Rong

Publisher: Springer

Published: 2016-05-20

Total Pages: 162

ISBN-13: 9811006660

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Based on hundreds of thin sections from granite in China, this book introduces metasomatic textures and their formation mechanism in granite. It also proposes that metasomatic textures can basically be classified into two patterns: hetero-oriented replacement and co-oriented replacement, according to the consistency of orientations of replacive and replaced minerals. The hetero-oriented albitization of K-feldspar is quite distinct from the co-oriented albitization of K-feldspar. They occur separately without transition, although both are generally referred to as albitization of K-feldspar.This unique granite atlas uses a series of color microphotos taken with a quartz plate under crossed polars to clearly illustrate metasomatic mechanisms and superimposed metasomatic processes. The origins of clear albite rim, intergranular swapped albite, K-feldspathization, quartzification, muscovitization, beryllization, myrmekite, small platy albite, perthitic albite, K-feldspar megacryst etc. are comprehensively discussed and explained. The book will appeal to teachers, researchers and students involved in igneous and metamorphic petrology.

Metamorphic Textures

Metamorphic Textures PDF

Author: Alan Spry

Publisher: Elsevier

Published: 2013-10-22

Total Pages: 391

ISBN-13: 1483160289

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Metamorphic Textures provides definitions, descriptions and illustrations of metamorphic textures, as well as the fundamental processes involved in textural development. This book is composed of 11 chapters and begins with a presentation of the metamorphic processes and the production of metamorphic minerals. The subsequent chapters describe the structural classification of grain boundaries, the metamorphic reactions, mineral transformations, and the crystallization and recrystallization of metamorphic rocks. These topics are followed by the texture examination of thermal metamorphic rocks and minerals and the preferred orientations of these rocks, particularly the dimensional and lattice preferred orientation. Other chapters survey the textures of rocks under dynamic and shock metamorphism. The final chapters describe the textures of regional and polymetamorphism. This book will be of great use to petrologists, physicists, and graduate and undergraduate petrology students.

Introduction to Metamorphic Textures and Microstructures

Introduction to Metamorphic Textures and Microstructures PDF

Author: A.J. Barker

Publisher: Routledge

Published: 2013-12-19

Total Pages: 289

ISBN-13: 1317856430

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A text which aims to help undergraduate students in geology to recognize and interpret metamorphic textures and microstructures in thin-section. For lecturers and postgraduates in geology and petrology, the book provides reference for the interpretation of metamorphic rocks.

Metasomatism and the Chemical Transformation of Rock

Metasomatism and the Chemical Transformation of Rock PDF

Author: Daniel Harlov

Publisher: Springer Science & Business Media

Published: 2012-08-14

Total Pages: 804

ISBN-13: 3642283934

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Fluid-aided mass transfer and subsequent mineral re-equilibration are the two defining features of metasomatism and must be present in order for metamorphism to occur. Coupled with igneous and tectonic processes, metasomatism has played a major role in the formation of the Earth’s continental and oceanic crust and lithospheric mantle as well as in their evolution and subsequent stabilization. Metasomatic processes can include ore mineralization, metasomatically induced alteration of oceanic lithosphere, mass transport in and alteration of subducted oceanic crust and overlying mantle wedge, which has subsequent implications regarding mass transport, fluid flow, and volatile storage in the lithospheric mantle overall, as well as both regional and localized crustal metamorphism. Metasomatic alteration of accessory minerals such as zircon or monazite can allow for the dating of metasomatic events as well as give additional information regarding the chemistry of the fluids responsible. Lastly present day movement of fluids in both the lithospheric mantle and deep to mid crust can be observed utilizing geophysical resources such as electrical resistivity and seismic data. Such observations help to further clarify the picture of actual metasomatic processes as inferred from basic petrographic, mineralogical, and geochemical data. The goal of this volume is to bring together a diverse group of geologists, each of whose specialities and long range experience regarding one or more aspects of metasomatism during geologic processes, should allow them to contribute to a series of review chapters, which outline the basis of our current understanding of how metasomatism influences and helps to control both the evolution and stability of the crust and lithospheric mantle.

Atlas of Deformational and Metamorphic Rock Fabrics

Atlas of Deformational and Metamorphic Rock Fabrics PDF

Author: G. J. Borradaile

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 550

ISBN-13: 3642684327

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In May 1976 Lucian B. Platt organized a highly successful Penrose Confer ence on The Formation of Rock Cleavage at Bryn Mawr College in Penn sylvania, U. S. A. The meeting drew together about 70 specialists from both sides of the Atlantic and from Australasia, who contributed discussions on various aspects of rock cleavage and its formation. Even early in the meet ing it became clear to the participants that they lacked a common terminol ogy, that often the same technical word implied different things to different people and that observables and descriptors were loosely defined. In an at tempt to improve communication the present editors contacted about 190 workers after the conference with a view to compiling a set of photographs with captions to illustrate exactly what workers were talking about. As a re sult the compilation was published as a limited edition by an inexpensive offset process at the University of Tasmania. The success of that provisional edition of the Atlas of Rock Cleavage and the responses of the readers prompted us to make a more extensive collection of material, contact a wider range of workers and, with the support of Dr. Konrad Springer, to publish the present higher-quality reproduction of the contributors' plates.

Introduction to Metamorphic Textures and Microstructures

Introduction to Metamorphic Textures and Microstructures PDF

Author: A. J. Barker

Publisher: Psychology Press

Published: 1998

Total Pages: 268

ISBN-13: 9780748739851

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An introduction to the thin section description and interpretation of metamorphic rocks, their textures, and microstructures, for advanced undergraduate and graduate geology students. Sections cover some of the broader aspects of metamorphism and metamorphic rocks, the basics of description and interpretation of the textural/microstructural features from the simplest to the more complex, and advanced interpretations in polydeformed and polymetamorphosed rocks. Also available in paper (02414-2), $29.95. Annotation copyrighted by Book News, Inc., Portland, OR

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