Question

name the major constitute of sial? ​

Answer 1

Answer:

The main mineral constituents of the continental mass are silica and alumina. It is thus called sial (si-silica and al-alumina). The oceanic crust mainly consists of silica and magnesium; it is therefore called sima (si-silica and ma-magnesium) (Fig. 2.2).

Answer 2

sorry mate do not know the answer