沉积岩的有机质丰度低，基本无有效生油岩发育。
The organic matter abundance of sedimentary rock is low, and there is basically no effective source rock.
水主要来源于古海水和大气降水，有机质来源于沉积岩中生物质；
The water mostly comes from ancient sea and atmosphere while organic material from ancient life-form.
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.
大量实际资料证实了沉积岩压实程度与有机质热演化程度之间存在密切关系。
Voluminous data have demonstrated that there exists close relationship between the degree of compaction of sedimentary rocks and the degree of thermal evolution of organic matter.
一般情况下，凹陷沉积速度越大，所堆积的沉积岩体积及有机质含量就越大、油气资源也愈多。
Generally, higher sedimentation velocity means larger volume of deposits, higher content of organic content, and more hydrocarbon resources.
一般情况下，凹陷沉积速度越大，所堆积的沉积岩体积及有机质含量就越大、油气资源也愈多。
Generally, higher sedimentation velocity means larger volume of deposits, higher content of organic content, and more hydrocarbon resources.
应用推荐