GS1GS1

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Main Body

Plate Tectonics is a theory explaining the movement of continents of the globe.

Basic Principles:

1The upper layer of earth's called lithosphere - consisting of continental crust, oceanic crust, and upper part of upper mantle is 100 km thick and less dense.

2It float over the underlying Asthenosphere which is more mobile & plastic

3The movement of Lithosphere causes plate boundary interactions, as well as realignment of continents over time.

Types of plate Boundaries:

1Converging - when two plates are moving towards each other, form convergent boundary.

Ocean-Ocean → Form volconic chain, and island archipelago Vs Japan, Indonesia, etc

Ocean-continent → Rise to volcanic mountains. Vs Andes [Pacific Plate e South American Plate]

Continent-continent → Form deep rift valley, is intermittent volcanism.

Vs Great Africa Rift Valley

2Transform - when two plate move parallel to each other, not creating any new thing. Causes Earthquake.

Vs Great California Transform Fault plate tectonic, through body inter action cause disaster as well as shape of geography.

3Divergent → when plates move away from each other, form divergent bounding.

2Ocean-Ocean → Ridge volcanism and mid oceanic rift Vs Mid Atlantic Ridge for African & South-African Plate

2Continent-Continent → Form deep rift valley, is intermittent volcanism.

Vs Great Africa Rift Valley

3Transform - when plates move parallel to each other, not creating any new thing. Causes Earthquake.

Vs Great California Transform Fault plate tectonics, through body inter action cause disaster as well as shape of geography.

— ABHISHEK KUMAR JHA · AIR 231

253 words4 paragraphs

Diagram

Diagram showing types of plate boundaries with convergent, divergent, and transform boundaries labeled

Clear definition and explanation of basic principles
Accurate description of earth's layers
Establishes foundation for plate tectonics discussion
Comprehensive coverage of plate boundary types
Provides global examples
Shows real-world applications and consequences
Provides multiple examples of divergent boundaries
Shows connection between plate tectonics and earthquake/volcanic activity
Illustrates geographic consequences of plate movement

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ABHISHEK KUMAR JHA

AIR 2312025

Subject & Paper

GS1GS1

Topic

Salient features of World's Physical Geography

Plate Tectonics and Continental Drift

Writing Stats

253

Total words

Paragraphs