OIL-SOURCE ANALYSIS OF CAMBRIAN SOLID BITUMEN IN THE SOUTHEASTERN GUIZHOU PROVINCE
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摘要: 黔东南地区三都—丹寨一带中上寒武统灰岩中广泛分布有固体沥青。文中运用碳同位素、饱和烃色谱、饱和烃色质谱及芳烃色质谱等技术,对这些固体沥青进行有机地球化学研究和油源对比分析。研究表明,黔东南地区寒武系固体沥青主要来源于下寒武统扎拉沟组的黑色页岩。Abstract: Solid bitumen is widely distributed in the Middle-Upper Cambrian limestones,the Sandu-Danzhai region of southeastern Guizhou Province.Analytical technologies including isotope,saturate hydrocarbon gas chromatogram,saturate and aromatic hydrocarbon GC-MS were applied to study the organic geochemistry and oil-source correlation of it.The results show that the Cambrian solid bitumen in this area is mainly generated from the blackshale of Low Cambrian Zhalagou Formation.
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