Geography, asked by anujthapaanujthapa, 5 hours ago

why sima is denser than sial in ur own word

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Answered by abhishekkoppad00

Answer:

The sima has a higher density (2800 to 3300 kg/m3) than the sial, which is due to increased amounts of iron and magnesium, and decreased amounts of aluminium. When the denser sima comes to the surface it forms mafic rocks, or rocks with mafic minerals. The most dense sima has less silica and forms ultramafic rock

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