eroded area of igneous rocks 火成岩侵蚀区
Purpose to provide theoretical basis for exploring and developing those reservoirs related to igneous rocks in this area.
目的为该区勘探开发与火成岩相关的油气藏提供理论依据。
In the Jizhong Depression, the Cenozoic igneous rocks, distributing within the Eogene strata, trend to be younger in age but increase in thickness, and in area from the south toward the north.
新生代火成岩分布于下第三系地层中，为基性的喷发岩或侵入岩，由南向北，时代变新，厚度及分布范围增大。
For the oil and gas exploration in this area, therefore, the presence of igneous rocks may indicate that good reservoirs develop in nearby areas, and it can guide the exploration in this area.
勘探过程中，火成岩的出现可以预示附近地区良好储层的发育，为勘探油气起到了示踪作用。
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