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Wednesday, May 6, 2020 | History

3 edition of Dynamics of lithospheric extension found in the catalog.

Dynamics of lithospheric extension

Rob Govers

Dynamics of lithospheric extension

a modeling study

by Rob Govers

  • 266 Want to read
  • 29 Currently reading

Published by Faculteit Aardwetenschappen der Rijksuniversiteit te Utrecht in [Utrecht .
Written in English

    Places:
  • Earth
    • Subjects:
    • Plate tectonics.,
    • Geodynamics.,
    • Earth -- Crust.

    • Edition Notes

      Other titlesDynamica van lithosfeer-extensie
      StatementRob Govers.
      SeriesGeologica Ultraiectina,, no. 105
      Classifications
      LC ClassificationsQE1 .G1342 no. 105
      The Physical Object
      Pagination240 p. :
      Number of Pages240
      ID Numbers
      Open LibraryOL464205M
      ISBN 109071577570
      LC Control Number98183906
      OCLC/WorldCa29369223

      Plate tectonics (from the Late Latin: tectonicus, from the Ancient Greek: τεκτονικός, lit. 'pertaining to building') is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between and billion years ago. Turkana Rift Arrays to Investigate Lithospheric Structure (TRAILS) Publications; Home Publications. Publications. Book Editor or Journal Guest Editor. Ernst, G., d’Oreye, N C., C. Petit, and E. Burov, Causes and consequences of lithospheric extension: The ups and downs of continental rifts, in R. Renault and G. Ashley, eds.

      Bornyakov, S. A. (), Dynamics of Structure Formation in a One-layer Model under Arbitrarily Active Mechanism of Extension, Geologia i Geofizika 1, 47–56 (in Russian). Google Scholar Eaton, G. P. (), Topography and Origin of the Southern Rocky Mountains and Alvarado Ridge, Continental Extensional Tectonics, Geol. Soc. Spec. Publ. 28 Author: S. I. Sherman. Movement of the plates over Earth’s surface is termed plate tectonics. Plates move at a rate of a few centimeters a year, about the same rate fingernails grow. How Plates Move. Figure 3. Mantle convection drives plate tectonics. Hot material rises at mid-ocean ridges and sinks at deep sea trenches, which keeps the plates moving along the.

        Recent seismic studies reveal a sharp velocity drop mostly at ∼ km depth within the thick mantle keel beneath cratons, termed the mid-lithosphere discontinuity (MLD). The common presence of the MLD in cratonic regions indicates structural and property layering of the subcontinental lithospheric mantle (SCLM). The nature and origin of the MLD, and many issues associated with the Cited by: Key words: plates, plumes, hypotheses, intraplate volcanism, models of lithospheric extension, convection. Recommended by Seminsky 11 November Discussion Citation: Rasskasov S.V. The book by G.R. Foulger: from melting anomalies to hypotheses on plates or plumes? // Geodynamics & Tectonophysics. File Size: 1MB.


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Dynamics of lithospheric extension by Rob Govers Download PDF EPUB FB2

The geodynamics of lithospheric extension. Such tilting may occur during fault slipping in a book-shelf manner, or as a passive rotation of high-angle normal faults Once present, melt modifies the dynamics of extension, inducing variations in heat fluxes, Cited by: Unfortunately, this book can't be printed from the OpenBook.

If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Layered structure of the lithospheric mantle changes dynamics of craton extension and Q.

W ang (), Layered structure of the lithospheric. Simplified models of continental lithospheric. The geodynamics of lithospheric extension. Book. Full-text available. MCC dynamics and structural development are mainly controlled by first geothermal gradient, second the compositional.

Three-dimensional dynamics of hydrous thermal-chemical plumes in oceanic subduction lithospheric extension, collision, slab break-off, intrusion emplacement, mantle convection and planetary core formation. ‘The book is written in a light and engaging style such that it deserves a place on the recommended reading list of any Cited by: Evolution and dynamics of the Cenozoic tectonics of the South Balkan extensional system Extension and crustal (lithospheric) thinning were accompanied by the extrusion of abundant intermediate and felsic volcanic rocks, which evolved from partial melting of a subduction-enriched subcontinental lithospheric mantle source, through fractional Cited by: Basin Analysis is an advanced undergraduate and postgraduate text aimed at understanding sedimentary basins as geodynamic entities.

The rationale of the book is that knowledge of the basic principles of the thermo-mechanical behaviour of the lithosphere, the dynamics of the mantle, and the functioning of sediment routing systems provides a sound background for studying sedimentary basins, and.

Failure to develop significant post-rift subsidence has important thermal and mechanical implications for the reaction of the Hthosphere to rifting and can be explained in terms of: (1) depth-dependent lithospheric extension in which intracrustal detachments allow the extension of the crust to be decoupled from the thinning of the lithospheric.

@article{osti_, title = {Earth materials and earth dynamics}, author = {Bennett, K and Lithospheric extension along the central Cascade arc is attributed to a decrease in the convergence rate of the Farallon-North American plate system since early Tertiary time.

The dynamics of the erosive central Andean forearc vary significantly along strike. In northern Chile at 20°S–27°S, and particularly at 22°S–25°S, the forearc in the Coastal Cordillera has been undergoing extension since at least the Pliocene, reactivating steep E.

Basin Analysis by Philip A. Allen,available at Book Depository with free delivery continental lithosphere 72 Modifi cations to the uniform stretching model 78 A dynamical approach to lithospheric extension 88 Estimation of the stretch factor and strain rate history 95 4 Basins due to flexure 98 Summary 98 /5(11).

Figure The Lithospheric Plates that define the surface dynamics of Planet Earth. The Earth does not expand because plates interact in two other ways besides sea-floor spreading (Figure ). At the opposite end of the conveyor belt, deep-sea trenches such as that off the west coast of South America are the locations where old rock from.

Chris Hawkesworth currently holds Emeritus positions at the Universities of Bristol and St Andrews. Previously he was Deputy Principal and Vice-Principal for Research, and Wardlaw Professor of Earth Sciences at the University of St Andrews (–), and before St Andrews he was Professor of Earth Sciences at Bristol and the Open University.

active rift zones in the world, the dynamics of lithospheric extension in the BRZ is not yet fully understood. For "passive rifting" models, extension is primarily caused by horizontal forces related to the India-Eurasia collision km to the south.

In such models, the deformation is mainly controlled. The equations for viscous flow and temperature were solved with a constant rate of extension applied to the sides of the lithosphere. Lithospheric deformation, temperature distribution, and viscosity distribution are found by stepping the model through a number of time steps.

Post rift evolution was examined by setting the extension rate to by: @article{osti_, title = {Experimental investigation of flow-induced fabrics in rocks at upper-mantle pressures: Application to understanding mantle dynamics and seismic anisotropy}, author = {Kohlstedt, David L.}, abstractNote = {The goal of this collaborative research effort between W.B.

Durham at the Massachusetts Institute of Technology (MIT) and D.L. Kohlstedt and S. Mei at the. INTRODUCTION TO TECTONICS.

The Earth is composed of layers of different composition and physical properties, principally the types of lithosphere, according to the crust resting on the solidmantle lithosphere (lithospheric mantle): the oceanic lithosphere has a 5 to 8km thick oceanic crust (with a Mantle dynamics.

The Earth is a heat. 3 Basins due to lithospheric stretching 53 Summary 53 Introduction 54 Geological and geophysical observations in regions of continental extension 56 Uniform stretching of the continental lithosphere 72 Modifi cations to the uniform stretching model 78 A dynamical approach to lithospheric extension 88 Estimation of the.

Tectonic subsidence is the sinking of the Earth's crust on a large scale, relative to crustal-scale features or the geoid. The movement of crustal plates and accommodation spaces created by faulting create subsidence on a large scale in a variety of environments, including passive margins, aulacogens, fore-arc basins, foreland basins, intercontinental basins and pull-apart basins.

Buck, W.R., L. Lavier and A Babeyko, () A numerical model of lithospheric extension producing fault bounded basins and ranges, GSA Internatianal Book Series, Vol.

7, George Thompson, The Lithosphere of North America and its Geophysical Characterization. At convergent margins, research topics range from subduction zone processes to continental collision, mountain uplift, and basin evolution.

Extensional tectonic processes under investigation range from continental extension in the deep to shallow crust to evolution of .The geology of Sicily (a large island located at Italy's southwestern end) records the collision of the Eurasian and the African plates during westward-dipping subduction of the African slab since late Oligocene.

Major tectonic units are the Hyblean foreland, the Gela foredeep, the Apenninic-Maghrebian orogen, and the Calabrian Arc. The orogen represents a fold-thrust belt that folds Mesozoic.A dynamical approach to lithospheric extension.

Mantle plumes and igneous activity associated with continental extension. Estimation of the stretch factor and strain rate history. Basins due to flexure. Summary. Basic observations in regions of lithospheric flexure. Flexure of the lithosphere: geometry of the deflection.