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Indias major land clays It is forthwith generally accepted that Indias geographical position, Continental outline, and basic geologic structure resulted from the shifting of enormous, rigid, crustal slabs called archi tectonic plates. These plates, which form the entire surface layer of the Earth, collide or fall behind by one another as they move across the underlying layer of molten material. India forms the north portion of the Indian-Australian plate. The land Hundreds of one thousand millions of geezerhood ago, ofttimes of Indias landmass was a fragment of an ancient southern-hemispheric supercontinent cognize as Gondwana, or Gondwanaland (which likewise included what are now South America, Africa, Australia, and Antarctica). With the shifting of tectonic plates, Gondwanaland began to break up, and the Indian fragment, carried by the Indian-Australian Plate, began to drift s low gearly atomic number 7 toward the much larger Eurasian Plate. When they finally c ollided (approximately 50 million years ago), the northern move on of the Indian-Australian Plate was movement under the Eurasian Plate at a low angle. The collision reduced the speed of the onset plate, but veritable(a) today the underthrusting, or subduction, of the plate continues. The cause of the collision and act subduction are numerous and extremely complicated.

An burning(prenominal) consequence, however, was the slicing off of crustal flutter from the top of the underthrusting plate. These slices were thrown punt onto the northern edge of the Indian landmass and came to form much of the Himalayan mountain system. The impertinent mountains! -to arouseher with vast amounts of sediment decay from them-were so heavy that the Indian-Australian Plate just south of the lean was forced downward, creating a geographical zone of crustal subsidence, or geosyncline. Continued rapid erosion of the Himalayas added to the sediment accumulation, which was after carried by mountain streams to touch the geosyncline and cause it to sink more. Indias present-day(prenominal) relief features have...If you want to get a full essay, disposition it on our website: OrderCustomPaper.com

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