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泥河湾地层之命名乃巴尔博(C.B.Barbour)、桑志华(E.Licent)、德日进(P Teillhard de Chardin)等人于1924—1926年在我国河北省阳原县泥河湾一带进行新生代地质调查时所定。当时认为其时代属保德期之后黄土期之前。1948年第18届国际地质学会建议把欧洲的维拉弗朗期(Villafranchina)改为更新世下限——第四纪初期的地层时,当时考虑到我国泥河湾地层中的许多哺乳动物化石与欧洲维拉弗朗期的动物群极为
The namesake for the Nihe Formation are CBBarbour, E.Licent, P Teillhard de Chardin and others in 1924-1926 in the Nihewan area of Nihewan, China For Cenozoic geological survey set. At that time, it was believed that the period was before the Loess Plateau. In 1948, when the 18th International Geological Society proposed to change the Villafranchina in Europe into the Pleistocene - the initial Quaternary period, when considering many mammalian fossils in the Nihewan Formation in China Europe Verafrancian fauna extremely