柴达木盆地西南缘山前沙丘区沉积物地球化学特征及其指示意义 |
张思悦, 李继彦, 张姚姚, 徐德华 |
Geochemical characteristics and implications of sediments in the piedmont of southwestern Qaidam Basin, China |
Siyue Zhang, Jiyan Li, Yaoyao Zhang, Dehua Xu |
图4 戈壁(A)、丘顶(B)、河流(C)、丘间地与砾浪(D)微量元素UCC标准化分布图 |
Fig.4 UCC-normalized pattern of trace element composition for gobi (A), dune top (B), river (C), interdune and gravel ripple (D) in the study area |