Question
Explain the process of formation of Rift valley.
✓
Answer
- When horizontal movements on the earth’s surface act in opposite direction, it causes tension on the rocks in the earth’s crust.
- When tension increases, fractures develop in the rocks leading to the formation of faults.
- Consequently, rocks on both the ends slide and the continuity in the layers of rocks is not found.
- Sometimes, two fractures develop side-by-side in the earth’s crust and land in between the two fractures subsides. This subsided deep part is called the rift valley.
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