By Christa Sadler It’s been said so many times that it sounds like a cliché, but taking a hike into the Grand Canyon is literally a Walk Through Time. Nowhere else on the planet is such a great … [Read more...]
Kaibab Limestone to Supai Formation
By Christa Sadler The rim of the canyon is formed of a layer about 300 feet thick called the Kaibab Formation. This creamy yellow limestone has fossils in it: sharks, fish, corals, brachiopods, … [Read more...]
Redwall Limestone to Tapeats Sandstone
By Christa Sadler As you finish your long traverse in the red layers of the Supai Group, you'll come to a very steep part of the trail, where switchbacks wind down through the next layer, the … [Read more...]
The Supergroup
By Christa Sadler What lies below the Tapeats Sandstone will be different depending on where you are in the Canyon. On the Kaibab Trail, you will step from the Tapeats Sandstone down into more … [Read more...]
The Inner Gorge
By Christa Sadler Now, when you step below the Grand Canyon Supergroup rocks, or below the Tapeats Sandstone, depending on what trail you’re hiking, you will have gone back 1.7 billion years, 1700 … [Read more...]