The contact relationship between Silurian and Devonian is parallel unconformity.
泥盆系与志留系之间为平行不整合接触。
Angular unconformity belongs to an intraplate folded - orogenic deformation. Parallel unconformity is the record of intraplate epeirogenic deformation.
角度不整合是板内褶皱造山变形，平行不整合是板内造陆变形的重要记录。
The other one is between the Upper Ordovician Terekawat Formation and the underlying formations, which presents commonly as a parallel unconformity or an angular unconformity in some regions.
其二，存在于上奥陶统铁热克阿瓦提组与下伏地层之间，主要为平行不整合，局部为角度不整合。
Fault is the main pathway of oil-gas migration in the vertical direction, and unconformity and carrier bed are the main ones of oil gas migration in the parallel direction.
断裂是油气进行垂向运移的主要通道而不整合面和输导层是油气进行侧向运移的主要通道。
Fault is the main pathway of oil-gas migration in the vertical direction, and unconformity and carrier bed are the main ones of oil gas migration in the parallel direction.
断裂是油气进行垂向运移的主要通道而不整合面和输导层是油气进行侧向运移的主要通道。
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