The Journal of the Geological Society of Japan
Online ISSN : 1349-9963
Print ISSN : 0016-7630
ISSN-L : 0016-7630
Age of the Cenomanian-Turonian boundary in Hokkaido
Ken ShibataHaruyoshi MaedaShigeru Uchiumi
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Keywords: 93Ma
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1997 Volume 103 Issue 7 Pages 669-675

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