Mexico’s Copper Canyon is one of the world’s most amazing natural wonders
The Copper Canyon, one of Mexico’s most amazing natural wonders The rugged ranges of the Western Sierra Madre in the state of Chihuahua conceal several massive canyons, giving rise to incomparable scenery. The Copper Canyon (Cañon del Cobre) region is the collective name given to this branching network of canyons, larger in many respects (see table) than the USA’s Grand Canyon.
How does Mexico’s Copper Canyon compare to the US Grand Canyon?
Urique Canyons US Grand Canyon
Total length of rivers (km) 540 446
Depth (m) 1250–1870 1480
Altitude of rim (m above sea level) 2250–2540 2000–2760
Maximum width (km) 4 15
Strictly speaking, the name Copper Canyon refers only to one small part of the extensive network of canyons which is more properly called by geographers the Urique Canyon system. As the table shows, the Urique Canyons are longer, deeper and narrower than their US rival.
How was the Copper Canyon formed?
According to a local Tarahumara Indian legend, the canyons were formed when “a giant walked around and the ground cracked.” Geologists believe that a sequence of volcanic rocks varying in age from 30 to 135 million years were slowly uplifted to an average elevation of 2275 m (7500 ft) and then dissected by pre-existing rivers.
These antecedent rivers retained their courses, cutting down over 1400 m into the plateau surface, forming deep canyons and dividing the former continuous plateau into separate giant blocks. Centuries of erosion by the Urique river and its tributaries have resulted in the present-day landscape of structurally-guided plateau remnants, termed mesas, buttes and pinnacles, depending on their size.
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