南京附近的古砾石层是组成该区新生代地层重要岩石类型之一。

The ancient gravel beds in the suburbs of Nanjng is one of the important types of rock of the Cenozoic era.

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因此，这里提出的沉降分析被截断在连续的新生代地层剖面顶部。

Therefore, the subsidence analysis presented here is truncated at the top of the continuous Cenozoic stratigraphic section.

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井的测试结果与储层分析都证明前新生代地层有良好的储集性能。

Core test and reservoir analysis show that there exists certain good reservoir in the Pre Cenozoic stratum.

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