Geology of Nepal
Автор:
Jesse Russell,Ronald Cohn, 124 стр., издатель:
"Книга по Требованию", ISBN:
978-5-5085-1122-7
High Quality Content by WIKIPEDIA articles! The Himalayan arc extends about 2400 km from Nanga Parbat (8,138 m) by the Indus River in northern Pakistan eastward to Namche Barwa (7,756 m) by the gorge of the Tsangpo-Brahmaputra in eastern Tibet. About 800 km of this extent is in Nepal; the remainder includes Bhutan and parts of Pakistan, India, and China. Since 55 Ma the Himalayan orogeny beginning with the collision of Indian subcontinent and Eurasia at the Paleocene/Eocene epoch, has thickened the Indian crust to its present thickness of 70 km. The northwest tip of India after colliding with Asia seems to have met along the full length of the suture by about 40 Ma. Immediately prior to the onset of the Indo—Asian collision, the northern boundary of the Indian shield was likely a thinned continental margin on which Proterozoic clastic sediments and the Cambrian ±Eocene Tethyan shelf sequence were deposited. Данное издание представляет собой компиляцию сведений, находящихся в свободном...
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