The Verde Valley: A geological historyIn this issue of Plateau Magazine, Wayne Ranney delves deep into the geological history of the Verde Valley. "The Precambrian" The geological record of the Verde Valley begins with rocks formed in the Precambrian Era, a time period so vast and far removed from the present that even geologists experience difficulty comprehending the length of time that it represents. "The Early Paleozoic" Whereas the Precambrian rocks exposed at Jerome give evidence