题 名：Charophyte assemblages around cretaceous-paleogene boundary from the paomagang formation in dangyang (China)(中国当阳跑马岗组白垩-古近系界线附近的轮藻组合)
关键词：charophytes;Cretaceous/Paleogene boundary;stratotype;Paomagang Formation;Continental;Jianghan Basin
作 者：Jianghan Petroleum Institute
年卷期：2003年20卷2期
页 码：183-186
文 摘：外文摘要
The biostratigraphic records of the Cretaceous-Paleogene transition are often discontinuous and scarce in the continental domain. From the point of view of charophytes, the biostratigraphic records from the Paomagang Formation in Dang