Sedimentary Rocks
The Grand Canyon: Did You Know?
The West Rim of the Grand Canyon
A sedimentologist looking for clues about Earth’s history hidden in the sedimentary rock layers might plan a trip to the Grand Canyon. Located in Arizona, the Grand Canyon is approximately 277 miles long, up to 18 miles wide, and 1 mile deep. The rocks in this canyon may contain up to two billion years of history, making it the perfect place for a sedimentologists to study.
To learn more about how sedimentologists study the Grand Canyon, view The Grand Canyon: Evidence of Earth’s Past from eMediaVA℠. As you are watching the video, think about the many ways in which the Grand Canyon has changed over time. Also, think about how sedimentary rocks are helpful in preserving the history of the Earth.