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Arizona State Parks and Trails: Guided Nature Hike

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Every morning, a volunteer naturalist leads a guided nature walk informing visitors about the different life zones of Red Rock State Park. The subjects discussed on this walk may include geology, wildlife, history, archeology, and plant life. The naturalists welcome questions during the walk, enhancing the learning experience. Hikes are included with park entrance fees...

Free with Park Fee

Arizona Geological Society: New Discovery of Beach Sand, Beachrock, and Tuffa from the Uppermost Portion of the Bidahochi Formation and their Implications for the Development of the Grand Canyon

Hexagon Mining Division Office 40 E. Congress St. Suite 150, Tucson

The formation of the Grand Canyon is a long-standing controversial topic in geology. The literature is littered with hypotheses and conjecture. A river that has cut a canyon through a topographic bedrock highland, as the Colorado River does through the Kaibab Plateau, is termed a transverse drainage. Four mechanisms have been proposed to explain the...