Table 1 δ13Cleaf, δ13CCO2, Δ13Cleaf and pCO2 values for the twelve studied Cretaceous stages. μ and σ correspond to mean and standard deviation, respectively.

From: CO2 and temperature decoupling at the million-year scale during the Cretaceous Greenhouse

Locality

Age

δ13Cleaf (‰)

δ13CCO2 (‰)

Δ13Cleaf (‰)

pCO2 (ppm)

μ

σ

n

μ

σ

μ

σ

μ

σ

Hautrage

upper lower Barremian–lower upper Barremian

−27.7

0.9

30

−6.1

0.5

22.3

1.1

476.5

135.2

Uña

upper Barremian

−27.6

0.9

30

−5.7

0.7

22.5

1.1

502.2

155.1

Mas de la Parreta

uppermost Barremian–lower Aptian

−23.0

0.9

30

−5.8

0.7

17.6

1.1

191.6

37.6

El Soplao

lower Albian

−23.1

0.9

30

−5.0

0.3

18.6

1.0

225.6

39.4

San Just

lower–middle Albian

−24.9

0.8

30

−5.8

0.5

19.6

1.0

272.3

53.8

Reillo

upper Albian

−26.8

1.0

30

−5.8

0.3

21.6

1.1

408.9

99.0

Archingeay (A1sl–A)

uppermost Albian

−24.7

1.0

26

−5.7

0.4

19.5

1.1

265.8

53.3

Archingeay (A2sm1–2)

lowermost Cenomanian

−24.4

0.9

30

−5.9

0.4

18.9

1.0

240.9

43.9

La Buzinie

uppermost lower–lowermost middle Cenomanian

−23.1

0.9

30

−5.9

0.5

17.6

1.0

190.5

34.5

Infiesto

upper Turonian–Coniacian

−22.1

0.8

30

−5.1

0.4

17.4

0.9

185.0

30.1

Piolenc

lower Santonian

−26.2

1.6

17

−5.2

0.6

21.5

1.7

432.5

220.3

Belcodème

upper Santonian

−23.4

0.6

30

−4.8

0.5

19.1

0.8

246.0

34.5