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中文摘要：
随着国内外地层学界对新生代地层研究的不断深入,自1996年以来,国际地层学界对新生代地层学年代的划分不断更新。国际地层委员会2008年公布的方案中,新生代内第四纪的地位还未确定,它可能包括更新世,底界回溯到大约2.6MaBP。随着中国第四纪研究在国际上的学术地位日益上升,在对新生代的划分上,表达中国学者建议的呼声将会越来越高。
英文摘要：
With the further study on the Cenozoic stratum in the field of stratigraphy at home and abroad,the stratigraphic classification constantly has been updated by the international stratum field since 1996. Up to now,the status of the Quaternary period of the Cenozoic Era is uncertain in the International Stratigraphic Chart （ICS,2008）,which might include Pleistocene,and its age of the bottom limit can go back to about 2.6 MaB.P. Along with the higher international status of Chinese experts on Quaternary research,the advice on the stratigraphic classification of Cenozoic Era will become more and more important.
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