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Thursday, October 11, 2018

Mountain Building Process


Mountain building process facts


Mountain 's   Forms
       «  Mountain ridge
       «  Mountain ranges
       «  Mountain chains
       «  Mountain systems
       «  Mountain groups
       «  Cordillera ( community of Mountains )

Classification of Mountains
              ü  On the basis of height
Low mountains;  (700m -- 1,000m)
Rough mountains;  ( 1,000m -- 1,500m)
High mountains; ( Above 2,000m )

Classification of Mountains
           ü  On the basis of location
1)      Continental mountains
              a)   Coastal mountains( Alpine, Rockies, Western and Eastern ghat of India)
               b)    Inland mountains(Ural mountain,        Himalayas, Black forest mountain)
2)      Oceanic mountains 

 Classification of Mountains
          ü  On the basis of mode of origin
1)      Original mountains
                             i.            Folded mountains
                            ii.            Block mountains
                           iii.            Dome mountains
                            iv.            Mountains of accumulation
2)  Circum-erosional mountains 

Classification of Mountains
 On the basis of period of origin
      1)      Pre-cambrian mountains
      2)      Caledoniam mountains( Silurian and Devonian periods) Examples of Mountains --- Aravallis, satpura and mahadeo etc.

       3)      Hercynian mountains( Permian and permocarboniferous period)
       4)      Alpine mountains ( Tertiary  period )Examples of Mountains ---Himalayan, Rockies (N-American) ,  Andes ( S-America), Atlas( N-W  Africa) and Alpine mountains systems  

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