Chapter 3: Igneous Textures
• E.g., Oxides (magnetite, ilmenite ) generally nucleate more easily (i.e., less undercooling required) than does olivine, followed by pyroxene, plagioclase, and alkali feldspar, with progressively more complex Si -O polymerization – May explain why oxides are typically small and numerous, whereas alkali feldspars are large
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