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How does the silica content of an intermediate rock compare with that of a felsic or mafic rock?

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How does the silica content of an intermediate rock compare with that of a felsic or mafic rock?

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Magmas are grouped into compositional categories based on silica content: ultramafic (245% silica), mafic (45-52% silica), intermediate (53-65% silica), and felsic or silicic (>65% silica).

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