In the eastern part, the Paleogene infilling in the rift structure has been altered by compression and also became important reservoir rocks.
In the eastern part, the Paleogene infilling in the rift structure has been altered by compression and also became important reservoir rocks.
在南沙东北部充填在裂谷中的下第三系受到不同程度的积压，是重要的储集岩层。