Plate Tectonics

Plate Tectonics

1st Edition - January 1, 1973

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  • Authors: Xavier Le Pichon, Jean Francheteau, Jean Bonnin
  • eBook ISBN: 9781483257273

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Description

Developments in Geotectonics, 6: Plate Tectonics focuses on the exposition of the plate-tectonics hypothesis, as well as plate boundaries, stratification, and kinematics. The book first offers information on the rheological stratification of the mantle and kinematics of relative movements. Topics include lithosphere, asthenosphere, kinematics of finite motions, measurements of instantaneous movements, and worldwide kinematic pattern. The text then ponders on movements relative to a frame external to the plates and processes at accreting plate boundaries. Discussions focus on reference frames, paleomagnetic synthesis, creation of oceanic crust, and continental rifts. The publication elaborates on processes at consuming plate boundaries, including sinking plate model, structure of trenches and associated island arcs and cordilleras, and consumption of continent-bearing lithosphere. The text is a valuable source of data for readers interested in plate tectonics.

Table of Contents


  • Contents

    Foreword

    Preface

    Chapter 1: Introduction

    Chapter 2: Definition

    Consequences

    Limitations

    Chapter 3: Rheological Stratification of the Mantle

    Lithosphere

    Introduction

    Definition

    Thickness

    Thermal Structure of the Oceanic Lithosphere

    Topographic Expression of the Thermal Structure

    Elasticity of the Lithosphere

    Depth of the Low-Velocity Zone

    Comparison of Oceanic and Continental Lithosphere

    Mechanical Properties

    Asthenosphere

    Definition

    Structure and Thickness

    Mechanical Properties

    The Long-Wavelength Gravity Anomalies and The Upper Mantle

    The Lithosphere As A Stress-Guide

    The Driving Mechanism

    Chapter 4: Kinematics of Relative Movements

    Introduction

    Instantaneous Movements

    On A Plane Earth

    On A Spherical Earth

    Kinematics of Finite Motions

    Introduction

    Theory of Finite Rotations

    Evolution of Triple Point Junction

    Measurements of Instantaneous Movements

    Methods of Measurements of Relative Velocity

    Methods of Measurement of Direction of Relative Motion

    Calculation of Instantaneous Relative Angular Velocity Between Plates and Estimation of Errors

    Present Worldwide Kinematic Pattern

    Six-Plate Model: Limitations •

    Present Knowledge

    Twelve-Plate Model

    Kinematic Pattern of the Red Sea and East Africa Revisited

    Measurements of Finite Movements

    Fitting of Past Accreting Plate Boundaries

    Use of Fossil Transform Faults

    Determination of Kinematic Pattern

    Chapter 5: Movements Relative to a Frame External to the Plates . .

    Introduction

    Reference Frames

    "Absolute" Movement Determination

    Paleomagnetic Pole Determination

    Paleomagnetism In Oceans

    Paleomagnetic Synthesis

    Chapter 6: Processes at Accreting Plate Boundaries

    Introduction

    Creation and Evolution of Oceanic Lithosphere

    Model

    Choice of Physical Parameters

    Fit To Distribution of Heat Flow and Topography

    More Complex Models

    The Creation of the Oceanic Crust

    Introduction

    Seismic Structure of the Crust

    Composition of the Crust

    Tectonic Activity at the Boundary

    Continental Rifts

    Introduction

    The Rhine Graben As An Example of Continental Rift

    Continental Margins

    Introduction

    Thermal Evolution

    Loading By Sediments and Hot Creep

    Limit Continental-Oceanic Crust

    Chapter 7: Processes at Consuming Plate Boundaries

    Introduction

    Sinking Plate Model

    Introduction

    Thermal Regime of Sinking Lithospheric Plate

    Structure of Trenches and Associated Island Arcs and Cordilleras .

    Introduction

    Surface Manifestations

    Deep Manifestations: Seismicity

    Surface Manifestation Behind Consuming Plate Boundaries

    Volcanic and Plutonic Activity

    Metamorphism

    Vertical Tectonics and Accretion of Deformed Sediments Near The Consuming

    Plate Boundary

    "Melanges", Ophiolites and Hp/Lt Metamorphism

    Plate Accretion Behind Consuming Plate Boundaries: Marginal Basins .

    Consumption of Continent-Bearing Lithosphere

    Plate Tectonics and Geology

    Appendix

    References


Product details

  • No. of pages: 314
  • Language: English
  • Copyright: © Elsevier 1973
  • Published: January 1, 1973
  • Imprint: Elsevier
  • eBook ISBN: 9781483257273

About the Authors

Xavier Le Pichon

Jean Francheteau

Jean Bonnin

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