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海相烃源岩有机显微组分的样品前处理方法

The sample preparation way for organic maceral analysis of marine hydrocarbon source rock
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摘要 常规的干酪根处理方法对烃源岩样品中有机质有一定的破坏作用,特别是对含大量浮游生物和动物碎屑的海相烃源岩更是如此,从而对烃源岩中显微组分成因的判识造成人为的困扰。通过反复实验,并对比分析常规干酪根和全岩光薄片处理效果,发现在海相烃源岩干酪根处理过程中将烃源岩样品手工简单破碎,采用弱酸处理,可以较大限度地保持海相烃源岩中有机质的完整性,对有机岩石学研究较为合适。 Traditional preparation way of kerogen samples would damage partly the organic matter of source rock, especially marine hydrocarbon source rock which contain organic matter from plankton and animal clastics. This makes it difficult to distinguish organic maceral of the source rock. Taken many experiments, and compared with normal isolation of kerogen and with polished rock slice, the best way of isolation of kerogen is to crash marine hydrocarbon source rock with hammer and then destroy the minerals with non-oxidant acid. The organic matter has been protected perfectly, and is favorable for organic petrology.
出处 《煤田地质与勘探》 CAS CSCD 北大核心 2008年第2期6-10,共5页 Coal Geology & Exploration
基金 国家重点基础研究发展计划(973计划)项目(2005CB422102)
关键词 海相烃源岩 样品前处理 干酪根 全岩光薄片 marine hydrocarbon source rock sample preparation kerogen polished rock slice
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