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地质学报 1935

THEPLIOCENELACUSTRINESERIESINCENTRALSHANSI

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Abstract:

Ⅰ.HISTORICALCONSPECTUSForyears,thePliocenedepositsofNorthChina,havebeenchieflyknownbythe"slopes-facies"oftheirlowesthorizons(Hipparionrichtho-feniPontianredclays,see:Andersson1923).Graduallyhowever,thepre-senceofextensivefreshwaterformationsbelongingtothisage,hasbecome

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