在分析岩浆活动特征及其形成的构造环境的基础上，探讨了研究区沉积岩系及其中有机质的热变质作用。
The authors made a discussion on the thermometamorphism of sedimentary rocks and their organic matters in the area, according to the magmatic activities and their tectonic environment.
煤层气的保存则取决于顶底板的封盖能力、构造活动、水动力环境等条件。
The preservation of CBM pool is mainly controlled by the sealing capacity of roof and floor plate, tectonic activity and hydrodynamic environment.
变质玄武岩的地球化学特征与大陆裂谷型火山岩一致，形成于活动陆棚裂陷（谷）盆地的构造环境。
The geochemical characteristics of the metabasalt agree with those of continental rift type volcanic rocks, forming a tectonic environment of the active shelf rift basin.
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