Question

Mention any two features of sial​

Answer 1

Explanation:

The sial has a lower density (2700–2800 kg/m3) than the sima, which is primarily due to increased amounts of aluminium, and decreased amounts of iron and magnesium. The base of the sial is not a strict boundary, the sial grades into the denser rocks of the sima.

Answer 2

Explanation:

Properties. The sial has a lower density (2700–2800 kg/m3) than the sima, which is primarily due to increased amounts of aluminium, and decreased amounts of iron and magnesium. The base of the sial is not a strict boundary, the sial grades into the denser rocks of the sima.