The author presents the first attempts of eminent specialists, such as Leibniz, Buffon and Kelvin to specify the age of the Earth through different itineraries.
Poirier, J. P. (2017). About the age of the Earth. In Comptes Rendus - Geoscience (Vol. 349, pp. 223–225). Elsevier Masson SAS. https://doi.org/10.1016/j.crte.2017.08.002