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Table 1

Comparison of the mean oxygen stable isotope data (‰) from the studied core, East Kent (England), Vocontian Basin and Umbria-Marche sections for the key time intervals.

    δ18O (average in ‰)    
  South England South-East Paris Basin Vocontian Basin Umbria-Marche
Early Cenomanian −2.25 −3.8 (from −3 to −4.8)   −3
Late Cenomanian −3 −4 (from −3.3 to −4.8)   −3.2
Latest Cenomanian (Minimum isotope data) −3.5 −5.25 −3.5 −3.6
Early Turonian (first step isotopic) −2.75 −4 −4.2 −3.5
Early Turonian (second step isotopic) −2.30 −3.1 −3.7 −3.2

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