| 1. | Theory , methods and urgency of establishing the terrestrial stratotype are discussed based on the study of the stratotype candidate of terrestrial jurassic - cretaceous boundary , luanping , northern hebei province , compared with " revised guidelines " of the ics and stipulation of the international stratigraphic guide
摘要从总结陆相侏罗白垩纪地层界线的研究成果和工作方法入手，结合国际地层委员会“修订准则”和国际地层指南的规定，论述了建立“陆相层型”的紧迫性、理论和方法。 |
