The Grand Canyon is the result of the erosion of the river Colorado through six million years. Thanks to the lack of vegetation, the different layers of rocks are visible. The oldest layers date to 1800 million years ago, half the age of Earth!
The Grand Canyon is the result of the erosion of the river Colorado through six million years. Thanks to the lack of vegetation, the different layers of rocks are visible. The oldest layers date to 1800 million years ago, half the age of Earth!