Grand Canyon at twilight
Grand Canyon at twilight.
Grand Canyon is a steep-sided canyon carved by the Colorado River in the United States in the state of Arizona.
The...
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Grand Canyon at twilight.
Grand Canyon is a steep-sided canyon carved by the Colorado River in the United States in the state of Arizona.
The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,000 feet - 1,800 metres) Nearly two billion years of the Earth's geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted. While the specific geologic processes and timing that formed the Grand Canyon are the subject of debate by geologists, recent evidence suggests the Colorado River established its course through the canyon at least 17 million years ago. Since that time, the Colorado River continued to erode and form the canyon to its present-day configuration.
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Grand Canyon is a steep-sided canyon carved by the Colorado River in the United States in the state of Arizona.
The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,000 feet - 1,800 metres) Nearly two billion years of the Earth's geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted. While the specific geologic processes and timing that formed the Grand Canyon are the subject of debate by geologists, recent evidence suggests the Colorado River established its course through the canyon at least 17 million years ago. Since that time, the Colorado River continued to erode and form the canyon to its present-day configuration.
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Apr, 2018Views
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