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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
