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Revision Notes

Endogenetic Movements

Maharashtra Board · Class 9 · Geography

Quick revision notes for Endogenetic Movements — Maharashtra Board Class 9 Geography. Key concepts, formulas, and definitions for last-minute revision.

44 questions22 flashcards5 concepts

Key Topics to Revise

1

Classification of Internal Movements

  • Internal movements are classified based on three criteria: velocity, direction, and landforms produced
  • Velocity classification: Slow movements (continuous) and Sudden movements (events)
  • Direction classification: Horizontal movements and Vertical movements (upward/downward)
2

Slow Movements - Mountain Building (Orogenic)

  • Mountain-building movements create fold mountains and block mountains
  • Fold Mountains: Formed by horizontal compression of soft rock layers (e.g., Himalayas, Rockies, Alps, Andes, Aravalis)
  • Process involves energy waves creating pressure that folds rock layers
3

Slow Movements - Continent Building (Epeirogenic)

  • Continent-building movements occur vertically - towards or away from Earth's center
  • Large portions of Earth's crust are uplifted or subsided
  • Uplifted areas form continents and extensive plateaus
4

Rift Valleys

  • Formed when land between two parallel fractures subsides
  • Result of tension forces pulling rocks apart
  • Both slopes are steep

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Full Notes

Key Concepts

Internal Earth movements are classified basedFormed when horizontal compression forces causeBlock mountains form when land betweenEarthquakes occur when accumulated tensionThree types of earthquake waves

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Frequently Asked Questions

What are the important topics in Endogenetic Movements for Maharashtra Board Class 9 Geography?

Endogenetic Movements covers several key topics that are frequently asked in Maharashtra Board Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.