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本文对昆明盆地淡水湖盆浅埋干酪根从光学性质、化学组成、热学性质诸方面进行了研究。揭示了干酪根的显微组成、镜质体反射率、碳同位素、元素及官能团组成、热失重及其变化率、热解组份及沉积物高温热解等特征;再现了有机质类型,追索了生源物的原生性质与特征:讨论了沉积环境对母质类型的控制;分析了演化历程及阶段;并估价了成烃潜能。
In this paper, the shallow kerogen of freshwater lake basin in Kunming basin was studied from the aspects of optical properties, chemical composition and thermal properties. Reveals the microstructure of kerogen, vitrinite reflectance, carbon isotope, element and functional group composition, weight loss and its rate of change, pyrolysis components and pyrolysis of sediments and other characteristics; reproduce the type of organic matter, recourse The nature and characteristics of the source material: The depositional environment was discussed to control the type of parent material; the evolution history and stage were analyzed; and the potential for hydrocarbon generation was evaluated.