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Download The structure and chemical compositions of the Earth
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Transcript
Helen Dementeva Aleksey Ivanov Group 5a74 1 Introduction 2 The general information about lithosphere 3 Structure of the lithosphere 4 Properties of the lithosphere 5 Conclusions Lithosphere is mater of the Earth. Consists of the crust and upper mantle to the asthenosphere. Variability Heterogeneity Discreteness Source of minerals Human environment Geodynamic Geochemical The lithosphere is vital to life on earth The lithosphere consists of the crust and upper part of mantle Lithosphere plates - are moving at a relatively plastic asthenosphere. The lithosphere is rich in incompatible trace elements. The lithosphere have important fundamental properties.