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一、关于所谓泛大陆E、泛大陆B及泛大陆A的问题,以及中国的相应构造格局: 朱夏同志在最近的著作中强调了泛大陆三个阶段的形成和演化,并把B到A的短暂时期(2.8亿年到2亿年)作为过渡阶段,现就此提出一些意见: (1)古中国地台问题:多年前,作者和任纪舜提出了“古中国地台”一词,认为天山、祁连山、秦岭等褶皱系在兴凯运动以前(即Salair folding),也可能即在泛非运动(Pan-African)之后(震旦纪—寒武纪)均为陆壳所占据。那时中朝地台、扬子地
First, concerning the so-called Pan-Continental E, Pan-Continental B and Pan-Continental A issues and corresponding structural patterns in China: In his recent book, Comrade Zhu Xia emphasized the formation and evolution of the three stages of the Pan-Continental, For a short period of time (280 million to 200 million years) as a transitional phase, we hereby put forward some suggestions on this: (1) Problems of ancient Chinese terraces: Years ago, the author and Ren Jishun proposed the term “ancient Chinese terraces” The Qilian Mountains, Qinling and other fold lines were probably occupied by the continental crust before Xingkai (Salair folding) or Pan-African (Sinian-Cambrian). At that time, the Korean platform, the Yangtze