论文部分内容阅读
Neuropteris gigantea Sternb是西欧和北美维斯发期的标准化石,我国长期以来也视其为中石炭世维斯发期的标准分子。江西的梓山组乐平王八山煤系地层、浙西的叶家塘组均因发现较多的Neuropteris gigantea而被陈国达和斯行健(1942)和斯行健(1958)定为中石炭世维斯发期,并和华北的本溪组相比较。近年来随着对煤系地层的深入研究,该
Neuropteris gigantea Sternb is the standard fossil of the Wesfa period in Western Europe and North America. For a long time, our country has also regarded it as the standard of the Vistevanis period of China Carboniferous. The coal-bearing strata of Wangsashan in Leping, Leping, and the Yejiatang Formation in western Zhejiang of Zhejiang Province were both identified as Chenodata and Szeto-jian (1942) and Szeto-jian (1958) because of the discovery of more Neuropteris gigantea. Period, and compared with the Benxi group in North China. In recent years, with the deep study of coal strata, the