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