The Provenance of Taklamakan Desert Sands——to Trace the Cenozoic Palaeo-Ocean

详细信息   

• 责任者：Wang Ying (School of Geographic and Oceanographic Sciences. Nanjing University ; Nanjing 210093 ; China)
• 刊名：Marine Geology & Quaternary Geology
• 出版年：2011
• 卷期：31(4)
• 关键词：物源区 ; provenance ; 沙漠 ; deserts ; 古生代 ; Paleozoic ; 中生代 ; Mesozoic ; 塔克拉玛干沙漠 ; Taklamakan Desert
• 页码：p.11-20
• 图表：16 illus., 1 table, 11 refs.
• 分类号：1200
• 出版序号：1127
• issnNo：ISSN0256-1492
• isbnNo：CN37-1117/P

摘要

The Taklamakan Desert is located between 37°N to 41°N of west China with a total area of 337 600 km². The study mainly concerns the original provenance of such a thick layer of dune sands. All the evidence indicates that the desert sands were originated from the desiccated Miocene ocean.During that time, the Taram Basin was under a marine environment as part of the New Tethys Ocean.  During late Miocene of 10~5 million years ago, the New Tethys Sea there was closed by elevated surrounding mountains, and became an inland basin later with scattered lakes and swamps, then, gradually dried up to be a desert. Thus, the Miocene paleo-ocean was the sandy material foundation for the development of  Taklamakan Desert.