Robuta

https://www.usgs.gov/publications/origin-and-character-loesslike-silt-southern-qinghai-xizang-tibet-plateau-china Origin and character of loesslike silt in the southern Qinghai-Xizang (Tibet) Plateau, China | U.S.... Retransported, tan, loesslike silt is widespread in the southern Qinghai-Xizang (Tibet) Plateau. The silt occurs mainly in the lowlands and lower slopes and is...