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本文根据大庆油田大量砂岩岩心薄片和扫描电镜研完，将成岩自生石英和长石的生长演变分为五个阶段；总结了各阶段在薄片及扫描电镜下的特征，划分为相应的五个级别；探讨了自生石英和长石的形成条件及影响因素；指出了自生石英和长石的演变阶段可作为划分砂岩成岩阶段的主要标志之一；讨论了各演变阶段对砂岩储油物性的影响。
Based on a large number of sandstone core sheets and scanning electron microscopy in Daqing Oilfield, the evolution of diagenetic authigenic quartz and feldspar is divided into five stages. The characteristics of each stage in thin sections and scanning electron microscopy are summarized and divided into corresponding five levels The forming conditions and factors of authigenic quartz and feldspar were discussed. It was pointed out that the evolutional stages of authigenic quartz and feldspar could be regarded as one of the main criteria for distinguishing sandstone from diagenesis. The influence of each evolutionary stage on the physical properties of sandstone was discussed.