A meteor may have led to the formation of the Grand Canyon, a new study has found. While many Americans are familiar with the Grand Canyon’s beauty and uniqueness, they may not be aware of the story ...
The King's Trough Complex is a several-hundred-kilometer-long, canyon-like system of trenches on the North Atlantic seafloor.
The water pressure of a river can cut deep into a riverbed. Sediments from the riverbed are carried downstream, creating a deep, narrow channel. This process, known as downcutting, represents the ...
Introducing the Grand Canyon / Stanley S. Beus, Michael Morales -- Precambrian crystalline core / R. S. Babcock -- Grand Canyon Supergroup : Unkar group / J. D. Hendricks, G. M. Stevenson -- Grand ...
Here’s how to plan a trip to Providence Canyon State Park. Providence Canyon State Park in Georgia features colorful, 150-foot gullies. Hiking is the main activity, with popular trails along the rim ...
Introduction -- Purpose -- Geology of the Horseshoe Canyon Formation. Ash beds ; Coal seam or zone markers ; Palynology ; Palaeo-magnetostratigraphy -- Types of preservation and methods of study.