Abstract
Working from multiple hypotheses allows creation scientists to formulate many different ideas in defining the pre-Flood/Flood boundary at the Grand Canyon. Traditional stratigraphic analysis has focused on the paleontological content of the various strata (e.g., Austin, 1994; Hoesch, 2007). However, this approach has largely been abandoned and emphasis has shifted to five discontinuity criteria (Austin and Wise, 1994; Wise and Snelling, 2005). Our own analysis of the sedimentary/metasedimentary strata in the Grand Canyon identified the pre-Flood/Flood boundary deep in the canyon at the Greatest Unconformity (Froede and Oard, 2007).