Variability of the Earth’s climate - Ice Ages and Interglacials: Measurements, Interpretation, and Models - page 61

Figure 2.21. CO 2 concentration and benthic d 18 O (inverse measure of temperature) over the
past 60 million years (adapted from Pearson and Palmer, 2000).

Figure 2.22. CO 2 concentration and benthic d 18 O (inverse measure of temperature) over the
past 60 million years (adapted from Edwards et al., 2010).

the wide scatter in estimates of CO 2 concentration preclude detailed comparisons
between CO 2 and climate.
Kent and Muttoni (2008) suggested:

India's northward flight and collision with Asia was a major driver of
atmospheric CO 2 concentration (pCO 2 ) and thus global climate in the late
Cretaceous and Cenozoic. Subduction of Tethyan oceanic crust with a carpet
of carbonate-rich pelagic sediments deposited during transit beneath the high
productivity equatorial belt resulted in a component flux of CO 2 delivery to the

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