青藏高原新生代南北走向裂谷研究进展

张佳伟, 李汉敖, 张会平, 徐心悦

Research Progress in Cenozoic N-S Striking Rifts in Tibetan Plateau

Jiawei Zhang, Han'ao Li, Huiping Zhang, Xinyue Xu

图3 南北走向裂谷板片撕裂模型（据参考文献[93, 94]修改） （a）印度岩石圈板片撕裂为不同的角度；（b）印度岩石圈板片撕裂角度东西两侧较缓，中部较陡；MBT：主边界断裂；MFT：主前锋断裂；MCT：主中央断裂；STDS：藏南拆离系；ZRT：泽当—仁布断裂；IYS：雅鲁藏布江缝合带；YRR：亚热裂谷带；LGR：隆格尔裂谷带；TYR：当惹雍错裂谷带；PXR：申扎裂谷带；YGR：亚东—谷露裂谷带；CR：错那裂谷带

Fig.3 Slab tearing model for the formation of N-S striking rifts (modified after references [93, 94]) (a) Slab tearing of the Indian lithosphere shows differential subduction angles; (b) Slab tearing of the Indian lithosphere shows shallow angles in the east and west and deep angles in the middle；MBT: Main Boundary Thrust; MFT: Main Frontal Thrust; MCT: Main Central Thrust; STDS: Southern Tibetan Detachment Systems; ZRT: Zedong-Renbu Thrust; IYS: Indus-Yarlung Suture; YRR: Yari Rift; LGR: Lunggar Rift; TYR: Tangra Yum Co Rift; PXR: Pumqu-Xianza Rift; YGR: Yadong-Gulu Rift; CR: Cuona Rift