Consider the following statements and select the correct answer from the codes given below Assertion......

Consider the following statements and select the correct answer from the codes given below:

Assertion (A): New folded mountains are also called Tertiary Mountains.

Reason (R): They are mainly formed along the constructive plate margins. 

New folded mountains are also caller Tertiary Mountains. All the old folded mountains were originated before Tertiary period. The folded mountains of Caledonian and Hcrcynian mountain building periods come under  this  category. These mountains have been so greatly denuded that they have now become relict folded mountains, for example, Aravallis, Vindhyachal etc. The Alpine folded mountains of Tertiary period arc grouped under the category of new folded mountains, for example, Rockies, Andes, Alps, and Himalayas etc.

By: Parvesh Mehta