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Silica in molten material tends to crystallise as quartz, which is white or mostly pale in colour. So felsic rocks (from silica-rich magma) tend to be pale, while mafic rocks (from silica-poor magma) tend to be dark in colour.

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How silica content of molten material affects the color of igneous rocks?

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When molten igneous material intrudes into rock what metamorphism can occur.?

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Magma is molten material that forms .?

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