By study on conodonts, fossil petrology, rock assemblage and logging data, this set of strata is reclassified and described, and the stratum sequence of Cambrian and Ordovician is established.

• 通过牙形石、化石岩石学和岩性组合的研究；结合测井资料对这套地层进行了重新厘定；建立了古生代寒武纪、奥陶纪地层层序；并对这套地层特征进行了详细描述.