Carbonate-silicate geochemical cycle

Berner, R. A., Lasaga, A. C., and Garrels, R. M. (1983). The carbonate-silicate geochemical cycle and its effect on atmospheric carbon dioxide over the past 100 million years. Am. J. Sci. 283, 641-683. 

Figure 10.41. Schematic diagram of processes involved in the carbonate-silicate geochemical cycle. (After Berner and Lasaga, 1989.)... 

Figure 10.42. A quantitative box model of the carbonate-silicate geochemical cycle. Reservoir masses are in units of 1018 moles, and fluxes in units of 1018 moles per million years. Comparison with Figure 10.32 gives some idea how flux values and portrayal of the cycle have changed during the last decade and a half. (After Lasaga et aJ., 1985.)...

Figure 10.43. Results of model calculations of the carbonate-silicate geochemical cycle illustrated in Figure 10.42. The corresponding changes in atmospheric CO2 and temperature during the last 100 million years are evident. Notice how organic carbon burial may play a strong role as a negative feedback mechanism for a perturbation in atmospheric CO2 driven by tectonics. (After Lasaga et al., 1985.)...

---