沉积地层 sedimentary strata
- 二叠纪晚期到三叠纪断裂和下沉作用形成了大约9千米厚的第三纪沉积地层,在其中有岩床的切入。
Late Permian to Triassic rifting and subsidence resulted in the deposition of as much as 9 kilometers of Triassic strata, locally injected with sills. - 潜花岗斑岩年龄的确定制约了新生代沉积地层的年代,同时也为藏北地区陆内拉张时代的确定提供了依据。
Dating of the hidden granite porphyry confines the age of Neozoic sedimentary stratum and also provides a basis for timing of intracontinental extension in northern Tibet. - 喜马拉雅运动使中国西部构造面貌发生了深刻地改变,它给准噶尔盆地无论是沉积地层的发育,还是构造变形打下了深深的烙印。
The Himalayan tectonic movement has caused great tectonic changes in the west China, with deep influence on sedimentary stratum generation and tectonic deformation of the Junggar basin.
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