How Did the Grand Canyon Form?
Last Updated Mar 25, 2020 6:34:41 PM ET
The Grand Canyon was formed primarily by erosion from the constant water flow of the Colorado River. This erosion occurred gradually over the past 5 to 6 million years.
Other forces have also contributed to the formation of the Grand Canyon. Rainfall, melting snow and small tributary streams have all changed the landscape over time. The Grand Canyon developed its shape because the different layers of rock and soil erode at different rates and in various ways. Some types of rock erode into cliffs, while others form more gentle slopes. Since the Colorado River is still flowing and the area continues to receive rainfall and other weather events, the Grand Canyon's appearance continues to erode and change.
More From Reference
Will 5G Impact Our Cell Phone Plans (or Our Health?!)
The Secret Science of Solving Crossword Puzzles
Racist Phrases to Remove From Your Mental Lexicon
Is the Coronavirus Crisis Increasing America's Drug Overdoses?
Fact Check: What Power Does the President Really Have Over State Governors?
Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha