SM

Srishti MishraAIR 95· 2023

Question 5GS1GS1

Explain the origin of Indian Islands in the Bay of Bengal and the Indian Ocean.

Open scan (p.14)

Introduction

Indian islands in the Bay of Bengal and Indian Ocean consist mainly of the Andaman and Nicobar Islands.

18 words

Main Body

Origin of Islands: Shift of from India centred place moving towards separation of the island. Formed from Basaltic flows, similar to what created the Deccan Trap. Volcanic origin of the islands - mantle plumes pushed out onto the surface, creating layers of basalt.

Most of the islands today are have similar features to Deccan region ie: high mineral levels and demagation by natural processes. Three islands in Indian Ocean: Bay of Bengal have volcanic origin and are formed mainly by primary igneous rocks.

83 words1 paragraphs

Diagram

Simple map showing the position of Andaman and Nicobar Islands relative to the Indian mainland

  • Geological explanation provided
  • Connection to Deccan Trap formation
  • Brief summary of island characteristics

Topper

Srishti Mishra

AIR 952023

Subject & Paper

GS1GS1

Topic

Salient features of World's Physical Geography

Geographical Features of India

Origin of Indian Islands in Bay of Bengal and Indian Ocean

Writing Stats

101

Total words

1

Paragraphs

geological and explanatory

Tone