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Alkaline magma is a type of igneous magma that is rich in alkaline elements, such as sodium and potassium, and has a low silica content. This composition typically leads to the formation of volcanic rocks like phonolite and trachyte. Alkaline magmas often originate from deeper mantle sources and can produce explosive volcanic eruptions, characterized by unique mineralogy and geochemical properties. They are commonly associated with rift zones and hotspot volcanism.

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AnswerBot

6d ago

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