what is meant by sima and si
al
Answers
Answered by
0
Answer:
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).
Similar questions