Consider the following statements 1 The main central thrust separates the Greater Himalayas fr...........

Geography and Environment (RAS) Physiography of India

Consider the following statements:

1. The main central thrust separates the Greater Himalayas from the Trans - Himalayas.

2. The main boundary fault separates the Greater Himalayas from the Lesser Himalayas.

3. The Himalayan front fault separates Shiwalik from Northern plains of India.

Which of the statements given above is/are not correct?

1 and 2 only

2 and 3 only

1 and 3 only

1, 2 and 3

Statement 1 is incorrect: Main Central Thrust (MCT) Zone:

This separates the Higher Himalayas in the north from lesser Himalayas in the south.
It has played an important role in the tectonic history of these mountains.

Statement 2 is incorrect. Main Boundary Thrust (MBT) Zone:

It is a reverse fault of great dimensions which extends all the way from Assam to Punjab and serves to separate the outer Himalayas from the lesser Himalayas.

Statement 3 is correct. Himalayan Frontal Fault/Thrust (HFF/T):

It is a series of reverse faults that demarcates the boundary of the Shivalik of the Himalayan province from the alluvial expanse of the Indo-Gangetic plains.