Results for: craton

Which is the oldest rocks in India?

Earlier it was thought that the oldest rock of India belonged to sinngbhum craton (around 3700 my old). But as of now the oldest dated rock from India is TTG rocks from Bastar craton (roughly 3.8 by old).) Full Answer

What is an A-type granite?

A-Type Granitoids are granites of anorogenic origin with high in SiO2 they can contain up to 77% SiO2 they have high alkalies and form on stable craton environment Full Answer