Geography, asked by jafrintanaj76, 3 months ago

explain the term SIAL

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Answered by Taeekoo

Answer:

In geology, the term SIAL refers to the composition of the upper layer of Earth's crust, namely rocks rich in aluminium silicate minerals. As these elements are less dense than the majority of Earth's elements, they tend to be concentrated in the upper layer of the crust.

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