Earth’s surface was drastically altered by a global cataclysm in the recent past – one that was recorded in the sixth to ninth chapters of Genesis. Artifacts from the Genesis Flood are readily seen across Earth’s surface, testifying to the ramifications of such a widespread disturbance in geohistory. Though an understanding of the Genesis Flood comprised the basis for early geologic thought, eighteenth-century geologists abandoned of Genesis in favor of the assumption that geologic processes occurred gradually without any supernatural intervention. Based merely on a predisposed dismissal of biblical history, this paradigm shift led to a radically distinct geology. What was first viewed as evidence of past catastrophism was re-envisioned as the product of gradual geologic processes over untold eons. Since the eighteenth century, naturalistic geologists have attempted to quantify this vast chasm of ‘deep time’, but no numerical method was found adequate until radioisotope dating schemes were introduced in the early twentieth century. Over the succeeding decades, radioisotope dating has bolstered the deep time geologic paradigm and evolutionary naturalism. Notwithstanding the use of radioisotope dating, a return to the understanding of the Genesis Flood and its implications for interpreting geohistory has led to a growing awareness of the flaws plaguing radiometric dating. The assumptions undergirding radioisotope dating methods has repeatedly produced faulty results in the present, casting doubt on the extrapolation of radiometric schemes into the unobserved past. Diluvial geologists and others have often revealed these flawed presuppositions, but recently world-renowned scientists have admitted to the assumptions inherent in radioisotope dating.