Q205
The Archean rock system is mainly composed of which rocks?
A.
Granite and Gneiss
AnswerB.
Basalt
C.
Carbonate rocks
D.
Sandstone
Answer: Option A
Solution
Answer: Option A
Solution:
The Archean rock system is primarily made up of Granite and Gneiss, which formed after the hot molten earth cooled. East and west Singhbhum, Simdega, and the south-eastern region of Jharkhand have this type of rock.