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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