How many types of mountain-building movements are there? Explain.

1.	How many types of mountain-building movements are there? Explain.
Answer» The formation of mountains is not a sudden process, but the mountains are formed as a result of a long process. This formation of mountains occurred in various mountain – building periods. There are four periods of mountain – building on the earth’s surface: 1. Archean Mountain Period: This mountain – building movement occurred about 40 million years ago in Cambrian period. 2. Caledonian Mountain Period: This, movement occurred about 32 million years ago. 3. Hercynian Mountain Period: This movement occurred about 22 million years ago. 4. Alpine Mountain Period: This movement occurred about 3 million years ago.

Answer»

The formation of mountains is not a sudden process, but the mountains are formed as a result of a long process. This formation of mountains occurred in various mountain – building periods.

There are four periods of mountain – building on the earth’s surface:

1. Archean Mountain Period: This mountain – building movement occurred about 40 million years ago in Cambrian period.

2. Caledonian Mountain Period: This, movement occurred about 32 million years ago.

3. Hercynian Mountain Period: This movement occurred about 22 million years ago.

4. Alpine Mountain Period: This movement occurred about 3 million years ago.

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