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The field of the Geologist's inquiry is the Globe itself, ... [and] it is his study to decipher the monuments of the mighty revolutions and convulsions it has suffered.

William Buckland (1820). “Vindiciæ Geologicæ: The Connexion of Geology with Religion, Explained in an Inaugural Lecture Delivered Before University of Oxford, May 15, 1819, on the Endowment of Readership in Geology”, p.5
The field of the Geologist's inquiry is the Globe itself, ... [and] it is his study to decipher the monuments of the mighty revolutions and convulsions it has suffered.