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地质学报 1937

Ep-ArchaeanandEpi-SinianIntervalsinChina

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Abstract:

Recently,Dr.A.W.GrabauletmeobservehowimportantitwouldbetotracemoredefinitelyinChinatheexistence,theextension,andthecharactersofthesedimentarybreaksseparatingtheSinian(Algonkian)fromtheArchaean,andtheCambrianfromtheSinian,

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