Geography, asked by shaillyverma26, 7 months ago

What is sial?
What is sima?

Answers

Answered by sreejakundu7
3

Answer:

Explanation:

In geology, sima (/ˈsaɪmə/) is an antiquated blended term for the lower layer of Earth's crust. This layer is made of rocks rich in magnesium silicate minerals. ... Comparable is the name 'sial' which is the name for the upper layer of Earth's crust (continental crust).

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