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本文主要从岩石地层和层序地层两方面对兰州 -民和盆地早白垩纪地层近几年来的最新研究成果进行了简述。根据岩石组合和岩性旋回建立了 4个组 ,并根据对层序界面的研究识别划分出 1个层序、 3个小层序组、 13个小层序。
In this paper, the latest research results of Lanzhou-Minhe basin in the Cretaceous stratum in recent years are briefly described from both lithostratigraphic and sequence stratigraphy. Based on the rock assemblage and lithology cycles, four groups were established. Based on the study of the sequence boundaries, 1 sequence, 3 small sequences and 13 small sequences were identified.