三叠纪晚期
- 网络Late Triassic
三叠纪晚期-
该地区两期主要的成矿作用发生在三叠纪晚期和早侏罗世。
So , this area underwent two main Pb-Zn mineralizing periods , i.e. , late Triassic and early Jurassic .
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以雅鲁藏布江带为主洋盆带的特提斯洋，从三叠纪晚期开始消减，经历了印支、燕山、喜马拉雅3个阶段脉动式板块汇聚造山过程。
The Tethyan Ocean with the Yarlung Zangbo belt as the main ocean basin belt began to be sub-ducted in the Late Triassic and experienced a process of pulsatory plate convergence orogeny including the Indosinian , Yanshanian and Himalayan stages .
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中央构造带形成于三叠纪晚期至侏罗纪早期，表现为伸展构造特征，生长断层上盘地层厚度明显大于下盘，并于断层上盘所在的台北凹陷形成沉降中心。
Fault on the Illegality The thickness of strata in hanging wall of growth fault is larger than that of footwall .