The Oceanic Crust, from Accretion to Mantle Recycling

About this book

Focuses on the oceanic crust of the present-day oceans and describes a number of well-studied oceanic areas, presenting examples from recent scientific studies and discussing the models and hypotheses proposed to explain the formation of the ocean crust.

Contents

Preface; Oceans, continents, and the fundamental cycle of the oceanic lithosphere; Magma series from oceanic domains; Surveying and sampling the oceanic crust; The worldwide oceanic ridge. Geographic extension, morphology and segmentation; Structure and lithology of the oceanic crust of the present-day oceans; Structure and lithology of fossic oceanic crust in ophiolites; Shallow processes: volcanic and tectonic activity of oceanic ridges; Deep processes: mantle diapirs, magma extraction and models of accretion magma chambers; Basalt-seawater interaction: metamorphic and hydrothermal processes; Intraplate oceanic magmatism; The fate of the oceanic crust: from subduction to recycline; Conclusion: the oceanic crust cycle; References; Index.

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