“GEOLOGY, n. The science of the earth's crust --to which, doubtless, will be added that of its interior whenever a man shall come up garrulous out of a well. The geological formations of the globe already noted are catalogued thus:… — Ambrose Bierce Copy Share Image
Geology is the science which investigates the successive changes that have taken place in the organic and inorganic kingdoms of nature; it enquires into the causes of these changes, and the influence which they have exerted in modifying the surface… — Charles Lyell Copy Share Image
