Extra Details & Facts

• Fun Fact: Magnet Distance Charge

  

• Oceans of the World

  

• Reading of Physical Maps

  1. Green Part - Flat Region
  2. Brown Part - Risen Part
  3. Blue Part - Deeper Part

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TYPES OF

• Types of Volcano

  • Active Volcano

    Erupts Fairly and Frequently

  • Dormant Volcano

    • Barren Island - Initially Dormant now Active

  • Extinct Volcano

    • Not showing any signs of eruption since long time, not records of when it erupts
    • 90% chances it would erupt

  • Mt Kilimanjaro / Mt Kibo / Snow Capped Mountain

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CONCEPT OF

• Concept of Tillites

  

• Concept of Gradation

  1. Process of Levelling of Land. Mainly Seen where Transportation & Deposition are almost Equal
  2. Achieved by Two Processes
     1. Degradation - To Reduce Height = Denudation
     2. Aggradation - To Increase Height = Deposition

     • Diagram of Degradation and Aggradation

       

     • Example of Gradation (Agent of Erosion = River)

       Same Agent - Different Roles

       • Diagram

         

  • ggradation + Degradation

• Concept of Base Level

  1. The Region or Area upto which river can perform Erosional Activities
  2. Two Types
     1. Permanent - Global Base Level - Sea Level
        1. Mainly All Rivers Drain in Sea called Mouth of River
     2. Temporary

        1. If River Flows in Arid Area (Erratic Monsoon, Less Rainfall)

        2. Might Drain into a Near By lake or Drain

           

• Concept of Sea Level

  It is a Region where slope becomes almost Zero & Erosional Activities Stop.

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DIFFERENCE BETWEEN

• Difference Between Tributary & Distributary

  • River Tributing Wtare to Main Riover
  • Example - Ganga = Ram Ganga, Gandak, Kosi, Son

  

• Difference Between Magma & Lava

  Magma - Outside Earth - Semi Solid

  Lava - Inside Earth - Liquid

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OTHER CONCEPTS

• Cycle of Process

  Concept By James Powell, used by American Geologist William Morris Davis (To Explain his Cycle of Erosion) -

  1. Present is the Key to Past - Uniformism
  2. Something that has happened now, might have happened in past with varied intensities
  3. Ex : Now Aravali is Old Fold Mountain - Earlier it might be like Himalaya

• ThreeFold Work of River

  Erosion

  Deposition

  Transportation

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• CDT - Doubt

  • Assumption 1 - SiAl SiMa - Criticism 1 - BIGGGG DOUBT

    • SiAl - Lighter Solid Continent - Earth Crust - Hard
    • SiMa - Weak Mobile Denser - Oceanic Crust - Soft
    • Example - Hard & Water - Continent & Water -
      • Like Wood Floats Over Water
      • SiAl Moves over SiMa w/o any resistance
      • resistance only when sima also was solid
    • Criticism
      • Mechanism of Earth Quake & Volcano
      • How are Fold Mountain Himalaya, Andes and Rockey Formed
    • Self Contradiction of Statement

      • For Formation of Fold Mt & Occurrences of EQ & Volcano

        SiAl - Lighter Denser Solid - Earth Crust

        SiMa - Hard Denser Solid - Ocean Crust

      • Couldn't Explain

        If SiMa is Weak Mobile Denser - Then Sial Can Float Over it

        If SiMa is hard Dener Solid - Then Movement cannot be there

      • Summary

        

  • Doubt

    Sial Continental Crust floating over siam oceanic crust wihoty any friction or resistance

    for movement of conetinets after drfiting he considered continets i.e conetinetal crust as solid and ocean crust as weak denser sima thus sima wouldnt offer any resistance

    criticism

    wegner htrated contients as loghter solif sial which float on heavier liquid sima

    it is very starnage that sima whom he considered weak could float on sial becaem so rigid that at the tome of mounatin formatoon that sial striking against it rose in the form of mountain

    if we take sima riigd, the continents cannot float in it and if we take ti as weak and mobile the mountain cannot be formed

    however