Question Q6GS1GS1
Explain the various stages of formation of the great Himalayas. How eastern Himalayas is different from western Himalayas?
Main Body
Ans
Himalayas were formed due to Continent-Continent Convergence between Indian and Eurasian plates.
Stages of formation:
1There are three broad phases of formation of himalayas.
Shivaliks => middle Himalayas => Great Himalayas
=> Sediments at Tethys Sea were folded & uplifted
2Phase I: Formation of Great Himalayas around 45 to 50 million years ago.
=> Sediments of Tethys sea were folded & uplifted
3Phase II: Formation of middle Himalayas around 35 to 45 million years ago.
3Phase III: Youngest: formation of Shivaliks range, between (2 to 20) mya
Difference between Eastern & Western Himalayas
Western | Eastern
1Extends from Indu => (1) Extends from Kali to Brahmaputra
river to Kali t. |
2Slope: More gentle & => Slope: Steep & Sharp ridge.
a long extending
131 words11 paragraphs
Diagram
Diagram showing three phases of Himalayan formation with Shivaliks, Middle Himalayas, and Great Himalayas labeled, showing plate convergence and subduction zone with Indian and Eurasian plates
Answer continues on next page
- Clear identification of three phases with time periods
- Correct timeline: 45-50 mya, 35-45 mya, 2-20 mya
- Mentions plate convergence mechanism
- References Tethys Sea sediments
- Compares Eastern and Western Himalayas structurally
Topper
Abhishek Singh
2023
Subject & Paper
GS1GS1
Topic
Physical Geography
Mountain Formation
Himalayan Orogeny
Writing Stats
131
Total words
11
Paragraphs
Descriptive and systematic
Tone