“The layers you see in the Grand Canyon are very widespread. The top formation, the Kaibab, is also found in California, Nevada, Utah, and New Mexico. The Redwall layer that forms the vertical cliff half way up is spread over the top half of Arizona, well beyond the Grand Canyon Plataeu.
The layers had to be spread over incredibly flat areas to produce such widespread relatively thin layers of sediment. There is no way you could deposit these widespread flat layers on most of our present irregular continental topography. This represents entirely different depositional conditions than what we find now, and is more like what we would expect from a worldwide flood.”
Source: https://www.slideshare.net/arielroth/gc-1-reading
