Scientists decipher the geological history of the Grand Canyon
Preview Brief
The study indicates that the river, around 6.6 million years ago, began to flow into a large depression in the Earth's surface, called a basin, forming a wide and shallow lake east of where the Grand Canyon later took shape
Feed Summary
The study indicates that the river, around 6.6 million years ago, began to flow into a large depression in the Earth's surface, called a basin, forming a wide and shallow lake east of where the Grand Canyon later took sh...