Paleogene Neogene的意思|示意

The tectonic background and sedimentary environment are quite different between Paleogene and Neogene, and overpressure systems can be classified into lower and upper ones correspodently.

下第三系在构造背景、沉积环境等方面存在很大的差异，相应地划分为上、下两个超压系统。

In term of time, the Paleogene-Neogene paleolakes of the plateau had a trend to increase gradually in area from the early to late stages.

青藏高原古近纪—新近纪古湖泊的演化，从时间上讲，有从老到新面积逐渐加大的趋势；

Geothermal resource in Boxing county belongs to low-temperature type which mainly occurs in fragemental sedimentary rocks in Neogene and Paleogene System .

博兴县地热资源为低温地热资源，温热水型，地下热水主要赋存在新、古近系碎屑沉积岩中，属层状孔隙-裂隙热储。

The natural gas is mainly composed of hydrocarbon gases, of which the gases in the Paleogene and older reservoirs are wet gases, while those in the Neogene are dry gases.

天然气主要为烃类气体， 纵向上，古近系及以下储集层中的天然气为湿气，新近系的天然气多为干气。