上泥盆纪相关论文
The mammilated chert(MC) studied in this paper is a kind of silica-rich concretion(SiO2 93%) occurring in the Upper Devo......
近年来,对江苏地区晚泥盆世沉积环境的研究表明,五通组并非陆相沉积,而属于以滨岸相为主的稳定性沉积。由于这套地层具有潜在的生......
Atrypid Brachiopods from the Upper Devonian Wangchengpo Formation （Frasnian）of Southern Guizhou, Chi
The Wangchengpo Frasnian section of Dushan County contains two atrypid brachiopod assemblages.The lower is characterized......
