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A striking feature of western Tian Shan is the large number of basins containing Cenozoic rocks, prominent basins include the Fergana Basin in the southwest, the Issyk-Kul Basin in the east and Naryn Basin in the south. [16] On the edges of the Tian Shan, there are foreland basins with Cenozoic sediments several kilometers thick.
The Tian Shan holds important forests of Schrenk's spruce (Picea schrenkiana) at altitudes of over 2,000 metres (6,600 ft); the lower slopes have unique natural forests of wild walnuts and apples. [13] The Tian Shan in its immediate geological past was kept from glaciation due to the "protecting" warm influence of the Indian Ocean monsoon ...
The Paleozoic rocks in the Tien Shan mountains are the remnants of accreted island arcs, mainly from the Ordovician onward. During the Vendian , the Northern Turkestan domain was part of the Kipchak island arc system between the East European and Siberian continent, separated by the Terksey back-arc basin which had originated as a rift basin.
The Tian Shan montane steppe and meadows ecoregion (WWF ID: PA1019) covers a 2,000 km long stretch of grasslands of the isolated Tian Shan mountains of Central Asia. It is characterized by high-altitude flat and rolling grasslands.
The Tian Shan are a mountain range north of the Tibetan Plateau and the Taklamakan Desert. Uplift of these mountains began 24 million years ago. It was a direct response to the continued extension of the Indian collision zone. The mountain range is still uplifting today along with the Himalaya. [9] [10]
Tian Shan: Geology; Mountain type: Volcanic field: Last eruption: 650 CE ± 50 years: The Tianshan Volcanic Group is a volcanic field in the Tianshan Mountains in ...
Its northern boundary is the Tian Shan mountain range and its southern boundary is the Kunlun Mountains on the edge of the Tibetan Plateau. The Taklamakan Desert dominates much of the basin. The historical Uyghur name for the Tarim Basin is Altishahr (Traditional Uyghur: آلتی شهر, Chinese: 六城), which means 'six cities' in Uyghur.
Besides, Tian Shan Foredeep in the southern Junggar Basin (including Urumqi) is also available for the petroleum resources. [26] The petroleum there were formed due to rapid subsidence, regional ductile with mobile intrusion , and cross-cutting on anticlines by orogenic activity (probably in Neogene) from the Tian Shan.