Granite Genesis: In-Situ Melting and Crustal Evolution

Authors: Chen, Guo-Neng, Grapes, Rodney

  • Provides a synthesis of current ideas of granite genesis in the earth's crust developed over the last 20 years
  • Offers an alternative model for granite genesis and a reinterpretation of current ideas
  • Highlights results of Chinese research over the last 30 years in English for the first time
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Hardcover $179.00
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Softcover $179.00
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  • ISBN 978-90-481-7469-0
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About this book

Granitic rocks are a major component of the continental crust and the many and complex problems of their origin that have challenged geologists over some 200 years still are presenting challenges today. Current ideas of granite formation involve lower crustal melting, segregation, ascent (as dykes or diapirs) and emplacement in the upper crust.

In this book we suggest an alternative model for the origin of granite in terms of in-situ meltingintracrustal convection that physically determines the process from partial melting of mid-upper crustal rocks to formation of a convecting magma layer. We illustrate the model using the geological, geochemical and geophysical studies from Australia, North and South America, Europe and China, and conclude that heat convection within a crustal partial melting layer is essential for formation of granite magma and that without convection, partial melting of rocks produces migmatites rather than granites. Granite is layer-like within the crust, and shape and size of granite bodies reflect the geometric relationship between an irregular upper surface of the crystallised magma layer and erosion surface. Repeated melting of the crust generates downward-younging granite sequences. Chemical and isotopic compositions of granites indicate differentiation within the magma rather than different deep sources.
Of a number of proposed heat sources that can cause mid-upper crustal anatexis, large-scale crustal melting and formation of a granite magma layer is considered to be primarily related to plate convergence. A dynamic model with examples from the western Pacific continental margin in SE China and Tethys-Tibet is proposed to explain the relationship between plate convergence, granite and compressive deformation of the continental crust. Mineralisation related to granite formation, fault-block basins, formation of continental red beds and volcanism with examples from SE China, are also discussed in terms of the new model. In a final section, we suggest a new rock cycling model of the continental crust and the concept of Geochemical Fields of Elements, illustrating the unity between the microcosm and macrocosm of the natural world.

Audience: This book will be of interest to scientists, researchers and students in geology, geophysics, geochemistry and economic geology.

 

Reviews

From the reviews:

"Granite Genesis: In-Situ Melting and Crustal Evolution is a timely, well-structured, and enjoyable read. The authors provide a useful introduction to granite terminology and the ‘granite debate’ … The book benefits in continuity and style from having only two authors and is easy to read. … this book provides a valuable synthesis and is a great reference for all graduate students and professionals interested in granitic rocks, from their petrogenesis to emplacement mechanisms." (Victoria Pease, Geological Magazine, Vol. 146 (3), 2009)


Table of contents (2 chapters)

Buy this book

eBook $139.00
price for USA (gross)
  • ISBN 978-1-4020-5891-2
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $179.00
price for USA
  • ISBN 978-1-4020-5890-5
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $179.00
price for USA
  • ISBN 978-90-481-7469-0
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
Granite Genesis: In-Situ Melting and Crustal Evolution
Authors
Copyright
2007
Publisher
Springer Netherlands
Copyright Holder
Springer Science+Business Media B.V.
eBook ISBN
978-1-4020-5891-2
DOI
10.1007/978-1-4020-5891-2
Hardcover ISBN
978-1-4020-5890-5
Softcover ISBN
978-90-481-7469-0
Edition Number
1
Number of Pages
XI, 278
Number of Illustrations and Tables
217 b/w illustrations, 1 illustrations in colour
Topics