The volcanic rock types in the study area have been classified by means of core, thin slice, scanning electron microscopy and geochemicalanalysis.
综合岩心、薄片、扫描电镜、地球化学等多种分析测试手段，对研究区火山岩岩石类型进行了划分。
2
Through systematic sampling and geochemicalanalysis the geochemical characteristics of source rock and oil are clearly and the spatial relationship between them has been established.
通过对烃源岩和原油系统取样与地化分析，剖析了烃源岩与原油的地球化学特征，建立了源-藏空间对应关系。
3
Hydrocarbon source correlation usually has 2 methods of geologic analysis and geochemicalanalysis, and 3 logic thinking mode of analogy, inductive -deduction and analysis-composite method.