Question Q11GS1GS1

The configuration of the ocean floor provides essential information about the geological processes that have shaped the Earth's surface. Discuss the major features of the ocean floor and their significance in the study of oceanography. (Answer in 250 words) 15 Marks

Open scan (p.25)

Answer Keywords

Introduction

Ocean bottom relief plays a major role in understanding of evolution of Earth's surface features.

15 words

Main Body

Ocean Bottom Relief

(A) major features

1Continental shelf => adjacent part of the continent. Surface between the continental & oceanic margins.

2Continental slope => higher slope gradient, covers 3-7% of OBR

3Continental rise => covered with marine and terrigenous sediments => important to understand the mineral composition of ocean floor.

4Abyssal plains => vast, extensive plane that are marked off several other features.

5Oceanic trenches => formed at zone of convergent place boundaries. Validate Hardy Hess's sea floor spreading theory. eg: Trench

6Mid-oceanic ridges => formed near divergent plate boundaries => basaltic cores of lava.

eg: Azores Island

(B) Secondary features

(a) Guyots

(b) Sea Mounts => formed due to evolution of mid-oceanic ridges.

=> continental shelf, OBR

=> continental slope

=> continental Rise [illegible]

plains | Raised right

Trench | Mid-ridge hugees

| ocean _waves

Therefore, ocean configuration affects the surfacial and sub-surfacial movement of water to explore the OBR. Margen-6000 is scheduled to map ocean floor.

166 words9 paragraphs

Conclusion

Therefore, ocean configuration affects the surfacial and sub-surfacial movement of water to explore the OBR. Margen-6000 is scheduled to map ocean floor.

22 words

Open original scan

Page 25

Topper

Ritika Chitlangia

Subject & Paper

GS1GS1

Topic

Salient features of World's Physical Geography

Oceanography

Ocean floor configuration

Writing Stats

203

Total words

Paragraphs