Continental Basalts and Mantle Xenoliths PDF Download
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Author: C. J. Hawkesworth
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 288
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Book Description
Author: C. J. Hawkesworth
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 288
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Book Description
Author: J. D. Macdougall
Publisher: Springer Science & Business Media
ISBN: 9401578052
Category : Science
Languages : en
Pages : 362
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Book Description
Author: HAWKSWORTH
Publisher: Birkhäuser
ISBN: 9780906812334
Category : Science
Languages : en
Pages : 272
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Book Description
Author: Peter H. Nixon
Publisher: John Wiley & Sons
ISBN:
Category : Nature
Languages : en
Pages : 892
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Book Description
The eruption of deep-seated xenoliths in basaltic, alnoitic, kimberlitic, etc volcanoes provides the geologist with an important direct means of examining the fragments of the earth's mantle and lower crust.
Author: John Allen Dodson (Jr)
Publisher:
ISBN:
Category : Basalt
Languages : en
Pages : 372
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Book Description
Author: Martin A. Menzies
Publisher: Oxford University Press, USA
ISBN:
Category : Business & Economics
Languages : en
Pages : 214
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Book Description
Very Good,No Highlights or Markup,all pages are intact.
Author: Peter H. Nixon
Publisher: John Wiley & Sons
ISBN:
Category : Nature
Languages : en
Pages : 900
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Book Description
The eruption of deep-seated xenoliths in basaltic, alnoitic, kimberlitic, etc volcanoes provides the geologist with an important direct means of examining the fragments of the earth's mantle and lower crust.
Author: Daniel Harlov
Publisher: Springer Science & Business Media
ISBN: 3642283934
Category : Science
Languages : en
Pages : 804
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Book Description
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.
Author: Gianluca Bianchini
Publisher: Geological Society of America
ISBN: 0813725267
Category : Science
Languages : en
Pages : 226
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Book Description
This 10-chapter volume encompasses contributions from a wide spectrum of Earth science disciplines, including geophysics, geodynamics, geochemistry, and petrology, to provide an overview of the nature and evolution of the crust-mantle and lithosphere-asthenosphere boundaries in different tectonic settings, combining studies that exploit different types of data and interpretative approaches. The integration of geochemical, geophysical, and geodynamic data sets and their interpretation provides a state-of-the-art summary of current understanding, and will serve as a blueprint for future research activities.
Author: P.A. Floyd
Publisher: Springer Science & Business Media
ISBN: 9401130426
Category : Science
Languages : en
Pages : 470
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Book Description
Basalt is the most voluminous of all the igneous rocks. Extensive field, experimental, petrographic and geochemical studies of basalt have provided us with a considerable understanding of igneous petrogenesis, plate tectonics, and crust-mantle interaction and exchange. One important aspect of geology that has developed over the last few decades is the study of oceanic basalts. The ocean basins cover about two thirds of the earth's surface and are floored by a basement of oceanic basalt that is continuously undergoing generation at spreading centres and destruction at subduction zones, a process which throughout geological time is recognized as the principal means of generating new crust. The study of oceanic basalts enables us to understand better the generation and recycling of crustal materials (including the continental crust), and the exchange between oceanic crust and seawater via hydrothermal activity. Compositional variations displayed by oceanic basalts provide windows into the mantle, and the identification of isotopically-distinct mantle reservoirs demonstrates that the source of oceanic basalts is heterogeneous and is controlled by convection and reservoir interactions within the mantle.
