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Geophysics And Petrology Of The Deep Crust And Upper Mantle

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Geophysics And Petrology Of The Deep Crust And Upper Mantle

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Author :
language : en
Publisher:
Release Date : 1987

Geophysics And Petrology Of The Deep Crust And Upper Mantle written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Earth categories.

Geodynamics Of Lithosphere And Earth S Mantle

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Author : Jaroslava Plomerová
language : en
Publisher: Springer Science & Business Media
Release Date : 1998

Geodynamics Of Lithosphere And Earth S Mantle written by Jaroslava Plomerová and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Anisotropy categories.

Geodynamics Of Lithosphere Earth S Mantle

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Author : Jaroslava Plomerova
language : en
Publisher: Birkhäuser
Release Date : 2012-12-06

Geodynamics Of Lithosphere Earth S Mantle written by Jaroslava Plomerova and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Plate tectonics has significantly broadened our view of the dynamics of continental evolution, involving both the processes currently active at the surface and those extending deep into the interior of the Earth. Seismic anisotropy provides some of the most diagnostic evidence for mapping past and present deformation of the entire crustmantle system. This volume contains papers presented originally at an international workshop at the Chateau of Trest in the Czech Republic in 1996. This workshop brought together geophysicists and geologists who work in the field of observational and theoretical seismology, mineral and rock physics, gravity studies and geodynamic modelling. Topics include large-scale anisotropy of the Earth's mantle, mantle heterogeneity vs. anisotropy 3-D velocity and density structures and inferences on mantle dynamics, mineral and rock physics studies, and mathematical aspects of complex wave propagation.

U S Geological Survey Circular

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Author :
language : en
Publisher:
Release Date : 1933

U S Geological Survey Circular written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with categories.

The Geochemistry And Geophysics Of The Antarctic Mantle

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Author : A.P. Martin
language : en
Publisher: Geological Society of London
Release Date : 2023-02-14

The Geochemistry And Geophysics Of The Antarctic Mantle written by A.P. Martin and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-14 with Science categories.

This Memoir is the first dedicated to the Antarctic mantle. It is a cross-disciplinary reference work combining geochemistry and geophysics to characterize Antarctic mantle properties. Through observations and modelling the mantle structures, compositions and dynamics are characterized at regional and continental scales by subject experts. The Memoir reviews all known occurrences of sub-continental mantle xenoliths in igneous rocks. These studies are presented by region as southern or northern Victoria Land, Marie Byrd Land, the Antarctic Peninsula, East Antarctica and the sub-Antarctic Islands. Sub-oceanic mantle in tectonically emplaced and abyssal settings is also considered where known. This is complemented by a continental-scale mantle xenolith overview, mantle characteristics from igneous rocks and a quantitative mantle fabric study. State-of-the-art, continental-scale geophysical overviews of the Antarctic mantle are presented by discipline as seismology, gravity and magnetics, magnetotellurics, rheology, glacial isostatic adjustment, mantle convection and palaeotopography. This Memoir will be the reference for all researchers interested in the Antarctic mantle and its role in dynamics that shape the Antarctic surface and ice sheets.

Seismic Anisotropy In The Earth

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Author : V. Babuska
language : en
Publisher: Springer Science & Business Media
Release Date : 1991-07-31

Seismic Anisotropy In The Earth written by V. Babuska and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-07-31 with Science categories.

Structural geologists are well aware of the fact that isotropic rocks are quite exceptional in nature. Whicheverorigin, sedimentary, metamorphicormagmatic, rocks are shaped with a plane of mineral flattening, the foliation in geologists' jargon, and with a line ofmineral elongation, the lineation. Just like a good quarryman, a trained structural geologistwill detectapreferredorientationin an apparently isotropic granite. Preferred mineral orientation and thus structural anisotropy are the rule in nature. Consideringthe largevariationsinelasticcoefficientsofrock-forming minerals, itcould be predicted that, in turn, seismic anisotropy should exist and be important, provided thatdomains withasimilarstructural signatureare largeenough to affectseismic waves. This is why, in 1982 at a conference held in Frankfurt, which was oneofthe fIrst meetings devoted to the subject of seismic anisotropy, I asked Don Anderson the question of why seismologists had not considered earlier in their models the obvious constraint of anisotropy. I still remember Don's answer: "Adolphe, we knew that our isotropic models were not very good but we had no other choice. It is simply that, so far, computerswere not largeenough tointegrate the anisotropy parameter". Changingisotropic glassesfor anisotropic ones permits us to obtain betterand more realistic seismic modelsofthe Earth's interior, but, maybe more importantly, it has, for a seismologist, the farreaching consequenceofsteppinginto the fIeld ofgeodynamics.