| 1. | The glauconite sandstone is a persistent stratigraphic unit .
海绿石砂岩是一个稳定的地层单元。 |
| 2. | The component layers have the geometry of stratigraphic units .
成分层具有地层单元的几何形态。 |
| 3. | The gas accumulation is controlled entirely by stratigraphic parameters .
气的聚集完全受地层参数的控制。 |
| 4. | The stratigraphic column in this district includes all the paleozoic formations .
这个地区的地层柱包括全部古生代岩系。 |
| 5. | A compressed horizontal scale commonly is helpful in seeing stratigraphic changes .
缩小水平比例尺一般有助于观察地层变化。 |
| 6. | These reservoirs may develop as a result of either structural or stratigraphic causes .
由于构造或地层方面的原因，这些储集岩可以进一步发育。 |
| 7. | Entrapment of oil has resulted from a combination of stratigraphic and structural factors .
石油的捕集是由地层和构造两种因素结合起来造成的。 |
| 8. | It is claimed that more petroleum may be preserved in stratigraphic than in structural traps .
有人主张，地层圈闭也许比构造圈闭存有更多的石油。 |
| 9. | We regard them as actual stratigraphic units produced primarily by magmatic sedimentation .
我们把它们当作实际上的地层单元来考虑，它们主要由岩浆沉积作用所产生。 |
| 10. | Stratigraphic significance commonly is apparent only where seismic data are tied with well data .
通常，只有在地震资料与钻井资料相结合的地方，地层学的意义才是明显的。 |
