【摘要】 <正> 一、前言我国地质界长期以来,沿用以华南马平组(船山组)上部 "Pseudoschwagerina 带"(广义)与二叠系命名地点苏联乌拉尔西部阿谢尔阶对比,以栖霞组与阿丁斯克阶对比的方案;强调由于地壳运动"云南上升"或"黔桂运动",马平组(船山组)与栖霞组之间在我国南方普遍存在沉积间断,造成华南缺乏萨克马尔期沉积的印象.近廿年来,西南地区的地质工作者在黔西南和桂西北等地上述两个岩组之间发现厚达数百米的"石炭-二叠系过渡层",即碎屑岩相的"龙吟组"(广义)和碳酸岩相的"常么组"和"纳更多还原

【Abstract】 There have long since been diverse ideas about the correlation of the Lower Permian between South China and the classic area-Ural of USSR, with poor evidence. The discovery of the Popanoceras Fauna of the open-sea ecological pattern from the "Dian-Qian-Gui Basin" (Zhou, 1986) in the southwest part of South China indicates that the strata referred to the Artinskian Stage, besides the Misselina claudiae Zone, should include the Longyin Formation (s. 1.) and, probably, the uppermost part of the Maping Formation in this area. Such an opinion is also supported by conodont studies. While in the restricted sea developed on the wide platform of South China, the strata belonging to the same stage should cover the Misellina claudiae Zone (or the equivalent Pseudohalorites Zone), the Schwagerina tschernyshewi Zone and the uppermost Chuanshan Formation. Therefore, it is further concluded that the "Yunnan Uplift" was just an elevation during the Permian, mainly in the range of the Artinskian Stage, the lowest Artinskian and the whole Sakmarian and Asselian should be included in the Maping Limestone and the lower boundary of the Permian should be found within the limestone in spite of its diversified definition.更多还原