Characteristics

• Located in northwestern Arizona, U.S.A.
• The canon was cut by the Colorado River.
• The widths of the gorges range from one-tenth of a mile to 18 mi.
• The Canon wall have a wide range of colors, including red, gray, green, pink, brown, and violet.
• A wide assortments of plant and animal life can be found in the canyon.

Technology

• The Colorado River flowing through the high plateaus forms the mile-deep gorge we now call the Grand Canyon.
• This remarkable depth was caused by the fast speed, large amount of water, and large quantities of mud, sand, and gravel of the Colorado River.
• The Colorado River carries rocks at a speed of about a half a million tons a day.

Wonder Qualities

• The Grand Canyon has the most extensive geological records.
• The rocks at the bottom of the canyon date back to 4 billion years ago.
• Fossils inside the rocky slopes date back to primitive algae that predate the dinosaurs.