Describe various mechanisms of magmatic differentiation.

Magmatic differentiation refers to the process by which a single parent magma undergoes various changes to produce a range of different magma compositions and rock types. This process plays a crucial role in the formation of igneous rocks and contributes to the diversity of igneous rock suites observed in the Earth's crust. Several mechanisms can drive magmatic differentiation, each influencing the chemical and mineralogical composition of the resulting rocks. These mechanisms include fractional crystallization, assimilation, magma mixing, and magma mingling.

1. Fractional Crystallization:
   Fractional crystallization is one of the most common mechanisms of magmatic differentiation. It occurs as magma cools and minerals crystallize out of the melt in a specific order based on their melting points. Different minerals have different crystallization temperatures, so as the ________ ______ ___ _______ ____ _____ _________ __________.
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