GrandCanyonNationalParkSouthRimPhotoGallery
Grand Canyon National Park www.waypointtours.com Welcome to Grand Canyon National Park! As you approach the Grand Canyon, you are crossing the Colorado Plateau, a 130,000 square mile bulge in the earth's surface spanning half of Utah and a good portion of Arizona, New Mexico and Colorado. Around its edges are the upthrust Rocky Mountains, the stretched-apart Great Basin, the contorted rocks of Arizona's Transition Zone, and ancient volcanoes. Despite all the geologic activity around it, the Plateau has managed to stay relatively flat and unfolded, but as a whole, it has been uplifted more than a mile.
It is the uplift, and the down-cutting, that have created the Canyon. About 5-10 million years ago the Colorado River began to carve its way down through the domed region on its way to the sea. Like a knife slicing through a layer cake, the mile-deep river canyon exposed multi-hued layers of time, - a geologist's dream come true. But, you don't have to be a geologist to appreciate th
Aug 16, 2003
Photos: 46