igneous rocks: part 2w3.salemstate.edu/~bhubeny/gls100/e2.igrx2.pdf · stromboli etna arabiah plate...

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1 1 Igneous Rocks: Part 2 Brad Hubeny 2 Why are there Different Types of Magma? Factors Affecting Magma Composition Original Rock Composition Assimilation Magma Mixing Partial Melting Fractional Crystalization 3 Bowen’s Reaction Series: Partial Melting and Fractional Crystallization Explained! 4 Partial Melting at Divergent Margin 5 Partial Melting at Subduction Zones 6 Magma Type Dictated by Process

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Page 1: Igneous Rocks: Part 2w3.salemstate.edu/~bhubeny/GLS100/e2.IgRx2.pdf · Stromboli Etna Arabiah Plate Eurasian Plate Bogos lof North American plate Rainier Kat raai Helens > Lassen

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Igneous Rocks: Part 2

Brad Hubeny

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Why are there Different Types of Magma?

• Factors Affecting Magma Composition• Original Rock Composition• Assimilation• Magma Mixing• Partial Melting• Fractional Crystalization

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Bowen’s Reaction Series: Partial Meltingand Fractional Crystallization Explained!

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Partial Melting at Divergent Margin

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Partial Melting at Subduction Zones

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Magma Type Dictated by Process