Q. Which of the following events are comes under diastrophism?
1. Orogenic movement
2. Plate tectonics
3. Earthquakes
Select the correct answer using the codes given below:
Answer: D
Notes:
All processes that move, elevate or build up portions of the earth’s crust come under diastrophism. They include:
- orogenic processes involving mountain building through severe folding and affecting long and narrow belts of the earth’s crust;
- epeirogenic processes involving uplift or warping of large parts of the earth’s crust;
- earthquakes involving local relatively minor movements;
- plate tectonics involving horizontal movements of crustal plates.
Source: NCERT – XI Fundamentals of Physical Geography