THE
HIMALAYAS
Acknowledgements :
Dr. Manojkumar P. Devne, S.P.College Pune - 30
The Himalayas : Basic Facts
 Called Himadri, Himvan, Himanchal
 Central Axial Range : 22 degrees of Longitude.
 Total D...
Features
 High Altitude
 SteepGradient
 Deeply DissectedTopography
 Complex Geological Structure
 Snow capped summits...
topography
Origin
 Upliftment in Phases
 Great Geosyncline – Sea ofTethys
 Squeezed folds between Gondwana and
Angaraland
 Convex...
Evidences
 Late Cretaceous to-Date
 Avg. Ht 1mybp – 2410 m
Now - 3050
 Earthquake Occurrences
Isostatic Equilibrium
 F...
Building
Process
-PlateTectonics
-Process still going on
-One more fracture has
appeared in the outer
fringes of the Shiwa...
Division of Himalayas
REGIONAL GEOGRAPHICAL
GEOLOGICAL
The Himalayan Ranges
 Series of parallel
ranges
 Intermediate deep
valleys
 ‘Hogback’ appearance
 Abrupt rise in Oudh
...
Variation in cover
Shiwaliks
 Outermost range
 2400 km long (Potwar Plateau to Bramhaputra valley)
 Width 50km(H.P.) 15km (A.P.)
 Avg. He...
Middle Himalayas
 Lesser Himalayas/Himanchal
 Width 60-80 km
 Average elevation 3500-4500m
 Pir Panjal, Dhola Dhar, Mu...
Great Himalayas
 Inner Himalayas, Central Himalayas
 Width 25 km
 Avg. Elevation 6100 m
 Nanga Parbat- Namcha Barva
 ...
Zoji la
Trans Himalayas -
 Tibetian Himalayas
 Length 1000 km,
 Avg. Elevation 3000 m
 Zaskar, Ladakh, Kailas (Gangdise), Kara...
Glacial Boulders
The Purvanchal
 Beyond Dihang
 Arunachal Pradesh to Mizoram
 Patkai Bum, Naga Hills, Manipur Hills, Mizo
Hills
 Blue M...
Bhutan
Sikkim
International Boundaries of India are distorted
Contemporary Issues
 Unsustainable resource generation
 Deforestation
 Soil Erosion
 Floods
 River Course shifting
 ...
Kashmir
THE
HIMALAYAS
Acknowledgements :
Dr. Manojkumar P. Devne, S.P.College Pune – 30
manojdevne10@hotmail.com, mob-9422353525
T...
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
Himalayas Quick Review - A brief but comprehensive presentation
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Himalayas Quick Review - A brief but comprehensive presentation

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A brief explanation a about what the Himalayas are in informative and Interesting content and through Photogarphs. Useful for school kids and college goings students as well

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Himalayas Quick Review - A brief but comprehensive presentation

  1. 1. THE HIMALAYAS Acknowledgements : Dr. Manojkumar P. Devne, S.P.College Pune - 30
  2. 2. The Himalayas : Basic Facts  Called Himadri, Himvan, Himanchal  Central Axial Range : 22 degrees of Longitude.  Total Distance : 2400 Km  Total Area : 5 lakh sq km  Central Pivot : Pamir Plateau  Southern Boundary : 300 m contour  Northern Boundary : Obscure & merges with edge ofTibetean Plateau  Peaks : 8000(14), 7500(20), 7300(94) 6000(NC)
  3. 3. Features  High Altitude  SteepGradient  Deeply DissectedTopography  Complex Geological Structure  Snow capped summits  RichTemperate Flora in Sub-tropical latitude
  4. 4. topography
  5. 5. Origin  Upliftment in Phases  Great Geosyncline – Sea ofTethys  Squeezed folds between Gondwana and Angaraland  Convex shape towards south (due o push of Aravalis and Assom ranges)  Multiple ranges due to a long phase of pushing  3 phases : 120 mybp – Great Himalayas 25 to 30 mybp – Middle Himalayas 2 to 20 mybp - Shiwaliks
  6. 6. Evidences  Late Cretaceous to-Date  Avg. Ht 1mybp – 2410 m Now - 3050  Earthquake Occurrences Isostatic Equilibrium  Fossils alongTibetian Plateau and Shiwaliks are similar (similar climate)  Youthful Himalayan rivers in Rejuvenation (Terraces along Banks)
  7. 7. Building Process -PlateTectonics -Process still going on -One more fracture has appeared in the outer fringes of the Shiwaliks -JCB – operating from opposite directions
  8. 8. Division of Himalayas REGIONAL GEOGRAPHICAL GEOLOGICAL
  9. 9. The Himalayan Ranges  Series of parallel ranges  Intermediate deep valleys  ‘Hogback’ appearance  Abrupt rise in Oudh and Bengal  Western Himalayas Gradual
  10. 10. Variation in cover
  11. 11. Shiwaliks  Outermost range  2400 km long (Potwar Plateau to Bramhaputra valley)  Width 50km(H.P.) 15km (A.P.)  Avg. Height – 600 to 1500m  Mid-Miocene to Lower Pleistocene (sands, gravels, conglomerate)  Jammu, Dhang, Dundhwa,Churia Ghat, Dafla, Miri, Mishmi, Abor  The ‘Doons/Duns’  ‘Chos’ Western Eastern
  12. 12. Middle Himalayas  Lesser Himalayas/Himanchal  Width 60-80 km  Average elevation 3500-4500m  Pir Panjal, Dhola Dhar, Mussoorie, NagTibba, Mahabharat Lekh  KashmirValley (40km wide, 135 km long, 1600m elevation, 5000 sq km)  Shimla, Nainital, Ranikhet,Almora, Mussoorie, Darjeeling  Less hostile and friendly for Human contact
  13. 13. Great Himalayas  Inner Himalayas, Central Himalayas  Width 25 km  Avg. Elevation 6100 m  Nanga Parbat- Namcha Barva  Mt. Everest 8850 m, 5th March 2005 (Sir George Everest,1841,1852, Peak XV, 1865)  Sagarmatha, Chomlungna, Qomolangma  Passes : Buezila, Zojila (J &K), Bara lachla Shipkila (HP),Thangla, Nitila (UK), Nathula, Jhelepla(Sikkim)
  14. 14. Zoji la
  15. 15. Trans Himalayas -  Tibetian Himalayas  Length 1000 km,  Avg. Elevation 3000 m  Zaskar, Ladakh, Kailas (Gangdise), Karakoram (Krishnagiri)  K (Godwin Austin), Gasherbrum I & II, Broad Peak  Ladakh Plateau (plains – Soda, Aksai Chin, Depsang) 2
  16. 16. Glacial Boulders
  17. 17. The Purvanchal  Beyond Dihang  Arunachal Pradesh to Mizoram  Patkai Bum, Naga Hills, Manipur Hills, Mizo Hills  Blue Mountain (2157m)  Dense forests, rough terrain, swift streams.
  18. 18. Bhutan
  19. 19. Sikkim
  20. 20. International Boundaries of India are distorted
  21. 21. Contemporary Issues  Unsustainable resource generation  Deforestation  Soil Erosion  Floods  River Course shifting  TheThird Pole  Geo-politics
  22. 22. Kashmir
  23. 23. THE HIMALAYAS Acknowledgements : Dr. Manojkumar P. Devne, S.P.College Pune – 30 manojdevne10@hotmail.com, mob-9422353525 Thank You

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