Geography, asked by debaratidas2004, 11 months ago

state the composition of the sial layer

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Answered by zahrafaizi78

Answer:

In geology, the term 'sial' refers to the composition of the upper layer of the Earth's crust, namely rocks rich in silicates and aluminium minerals. It is sometimes equated with the continental crust because it is absent in the wide oceanic basins, but "sial" is a geochemical term rather than a plate tectonic term.

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