The first comprehensive multi-proxy provenance analysis of the Tarim Basin.
Taklamakan sand is derived from the Kunlun Shan, Altun Shan, and Pamir regions.
Little sediment from the Tian Shan reaches the sand desert.
Wind and water work in opposite directions, balancing sand supply and topography.
Tarim Basin is no significant source to the Chinese Loess, nor is the Junggar Basin.