Geography, asked by shivanibhojak71, 9 months ago

The continent crust consists of light rocks rich in. and .

Answers

Answered by Anonymous

12

Answer:

Consisting mostly of sialic rock (the assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the crust), it is less dense than the material of the mantle of the Earth, which consists of mafic rock (rock that is relatively rich in magnesium and iron).

Answered by mmanjeetkaurin

1

Answer:

Consisting mostly of sialic rock (the assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the crust), it is less dense than the material of the mantle of the Earth, which consists of mafic rock (rock that is relatively rich in magnesium and iron).

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