The field investigation show that the stratum lie upon Neogene system Basalt and the outcropping is altitude of 50-100m.
据现场考察，此砾石层位于上第三系玄武岩之上，出露高度50—100米。
Eogene System is the fundus of terrestrial heat exploitation and Neogene System is the principal heat reservoir and exploitation bed of Henan plain.
老第三系(E)是河南平原地热开发基底，新第三系(N)是主要热储层和开采层。
In this paper, we have analyzed the present exploration situation of Neogene system, the petroleum-geological condition and the reservoir-forming mechanism by correlation method.
本文采用对比的方法，分析了上第三系勘探现状、石油地质条件和成藏机理。
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