The field investigation show that the stratum lie upon Neogenesystem 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。
2
Eogene System is the fundus of terrestrial heat exploitation and NeogeneSystem 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。
3
In this paper, we have analyzed the present exploration situation of Neogenesystem, the petroleum-geological condition and the reservoir-forming mechanism by correlation method.