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地质学报 1949
TentativeClassificationandCorrelationofSilurianRocksofSouthChina, PP. 1-61 Abstract: PROLEGOMENAThepresenceofSilurianrocksinChinawasfirstmadeknownbyRichthofen[106]morethansixtyyearsago.Sincethennofurtherdiscoveryhasbeenaddedforalongtime.Itwasin1920thatYabeandHayasaka[150]describedthesecondcollectionofSilurianfossilsfromChina.AfterthatdateSilurianstratigraphyandpaleontologyhavemaderapidprogress.
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