Fig. 19

(a) The formation process of the Nyima Basin in the Bangong-Nujiang suture zone. (Marking the closure of Bangong-Nujiang Tethyan Ocean.) (b) The formation mechanism of thrust-nappe structure in the Nyima Basin. (c) Analysis of the tectonic background based on Q-F-L and Qm-F-Lt diagrams⁷².