The volcanic rock types in the study area have been classified by means of core, thin slice, scanning electron microscopy and geochemical analysis.

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。

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Through systematic sampling and geochemical analysis 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。

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Hydrocarbon source correlation usually has 2 methods of geologic analysis and geochemical analysis, and 3 logic thinking mode of analogy, inductive -deduction and analysis-composite method.

油气源对比通常有地质分析法和地球化学分析法2种研究手段以及类比法、归纳—演绎法和分析—综合法3种逻辑思维方式。

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The hope is that mineralogical and geochemical analysis of the three samples will allow researchers to find new ways of identifying possible Martian meteorites, both in the wild and among existing meteorite collections.

ECONOMIST: Meteorites