There are several good reasons for correlating the Nanking-loess(Hsiashu-loam)not with the deposits of the Choukoutien-stage,but with the Malan-loess.EothNanking-and Malan-loess are the last great eolian deposits in t...There are several good reasons for correlating the Nanking-loess(Hsiashu-loam)not with the deposits of the Choukoutien-stage,but with the Malan-loess.EothNanking-and Malan-loess are the last great eolian deposits in their respective areas.The land--snails found by S.Chu in the Nanking-loess,correspond to 80%to theliying gastropods,whereas the Land-snails of the Choukoution-stage studied byTeilhard and Barbour do not contain more than25%of living types.展开更多
文摘There are several good reasons for correlating the Nanking-loess(Hsiashu-loam)not with the deposits of the Choukoutien-stage,but with the Malan-loess.EothNanking-and Malan-loess are the last great eolian deposits in their respective areas.The land--snails found by S.Chu in the Nanking-loess,correspond to 80%to theliying gastropods,whereas the Land-snails of the Choukoution-stage studied byTeilhard and Barbour do not contain more than25%of living types.