'Major element composition' diaporamas de présentation

Chapter 11: Diversification of Magmas

Chapter 11: Diversification of Magmas. Magmatic Differentiation. Any process by which a magma is able to diversify and produce a magma or rock of different composition. Magmatic Differentiation. Two essential processes 1. Creates a compositional difference in one or more phases

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Chapter 2. Composition of the continental crust

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Chemistry of the mantle

Chemistry of the mantle. Physical processes (subduction, convection) affect the chemistry of the mantle. Chemical processes occur mainly through melting. Resulting chemical differences are acted upon by physical processes. ? Interaction physical-chemical state of the mantle.

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