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Kerr
Chemistry
20 July, 03:21
What is the composition of magma
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Noelle Chapman
20 July, 03:49
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The initial composition of the magma is dictated by the composition of the source rock and the degree of partial melting. In general, melting of a mantle source (garnet peridotite) results in mafic/basaltic magmas. Melting of crustal sources yields more siliceous magmas.
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