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The geology of the Grand Canyon area includes one of the most complete and studied sequences of rock on Earth. The nearly 40 major sedimentary rock layers exposed in the Grand Canyon and in the Grand Canyon National Park area range in age from about 200 million to nearly 2 billion years old.
The Grand Canyon tells one of the world’s greatest geologic stories. Its distinctive features allow researchers to piece together the history of this unique location, one of America’s treasures and a UNESCO World Heritage Site.
1 Οκτ 2024 · Have you ever wondered how the Grand Canyon was formed and why it is found here in Northern Arizona? To understand the formation of the canyon, there is a simple way to remember how it was shaped over time.
5 ημέρες πριν · Grand Canyon, immense canyon cut by the Colorado River in the high plateau region of northwestern Arizona, U.S., noted for its fantastic shapes and coloration. The greatest depths of the Grand Canyon lie more than a mile below its rim.
The major geologic exposures in the Grand Canyon range in age from the two-billion-year-old Vishnu Schist at the bottom of the Inner Gorge to the 270-million-year-old Kaibab Limestone on the Rim. There is a gap of about a billion years between 1.75 billion and 1.25 billion years ago.
4 Μαρ 2019 · Grand Canyon’s excellent display of layered rock is invaluable in unraveling the region’s geologic history. Extensive carving of the plateaus allows for the detailed study of the Earth's movements.
Grand Canyon National Park follows the Colorado River through Arizona. The geology of the park is on full display as the river continues to cut through layers of geologic time. Follow the links below to learn more about the Geology and Ecology of Grand Canyon National Park.
