西藏昌都玉曲河源区冰川构造的性质、特征与演化
李德文, 马保起, 田勤俭, 史嘉骥, 赵杰

The nature, characteristics and evolution of glaciotectonics in source area of the Yuqu River, Changdu, Tibet, China
Dewen LI, Baoqi MA, Qinjian TIAN, Jiaji SHI, Jie ZHAO
图10 玉曲-卫曲河源二级阶地沉积特征(出露砂砾石层厚度约4 m)
Fig. 10 Sedimentary features of the second terrace at source area of the Yuqu River: the exposed sand gravel layer is about 4 m thick