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Himalayan orogenic belt


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An orogenic belt interpreted as being the result of the convergence and collision of India with Asia. Because of variable uplift, great relief, high rates of erosion and upthrusts of mid-crust, most depths within the orogen are exposed, down to the mid-crust, and the belt is thought to illustrate the later stages of the Wilson cycle. To the north of the Indus suture the Tibetan Plateau has crust up to 80km thick: a few authorities interpret this as being due to A-subduction of the crust of the Indo-Australian Plate after collision in the Eocene, but most attribute the thickness to internal thrusting since the early Mesozoic.

Subjects: Earth Sciences and Geography.


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