Complex sentence: The birth of geology was marked by the publication of James Hutton's "Theory of the Earth" in 1788, an important development in the intellectual revolution that would dethrone Genesis as the ultimate authority on primeval earth and prehistory.
Split into simpler sentences: The birth of geology was marked by the publication of James Hutton's "Theory of the Earth" in 1788. This marked the intellectual revolution that would dethrone Genesis as the ultimate authority on primeval earth and prehistory.