【摘 要】
：
The Mianltüe suture extends from Demi-Nanping-Pipasi-Kangxian to the Lüeyang-Mianxian area, then traverses the Bashan arcuate structure eastward to the Huasha
【机 构】
：
Key Laboratory of Continental Dynamics,Department of Geology
论文部分内容阅读
The Mianltüe suture extends from Demi-Nanping-Pipasi-Kangxian to the Lüeyang-Mianxian area, then traverses the Bashan arcuate structure eastward to the Huashan region, and finally to the Qingshuihe area of the southern Dabie Mountains. From east to west, with a length of over 1500 km, the ophiolitic melangé associations are distributed discontinuously along the suture. The rock assemblages include ophiolite, island-arc and oceanic island rock series,indicating that there existed a suture zone and a vanished paleo-ocean basin. The Mianlüe paleo-ocean basin experienced its main expansion and formation process during the Carboniferous-Permian and closed totally in the Triassic. It belongs to the northern branch of the eastern paleotethys, separated from the northern margin of the Yangtze block under the paleotethys mantle dynamic system.
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