dacite

Compare the types of minerals removed at the beginning of crystallization with those removed in the middle and end of crystallization (i.e., mafic versus felsic minerals).

Fractional Crystallization of Magma Objective In this exercise, you will gain an understanding of magmatic differentiation by fractional crystallization using a model magma chamber. The activity was adapted from materials developed by Dr. Karl Wirth at Macalester College (http://www.macalester.edu/geology/wirth/CourseMaterials.html) Introduction In lecture you learned about the importance of fractionation in generating the diversity of observed […]

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