steep-sided valleys. They
form an extreme type of V-shaped valley
with very steep sides. They
are created when rivers cut
intensively into the valley floor in dry places
where there is little runoff to help widen the sides of the valley.
canyon differs from a gorge in that the sides
are stepped, reflecting alternating rock resistances.The
enormous cliffs that rise sharply
on either side of the river make some of the worlds most spectacular
How are Canyons formed ?
For the formation of
canyons, refer to the formation of V shaped valleys.
Famous Canyons in the
Pictures of the Grand Canyon, Northern
one of the Seven Natural Wonders of the World, the Grand Canyon shows an
impressive display of erosion and mother earth's natural beauty.Located
entirely in northern Arizona, the park encompasses 277 miles of the Colorado
River and adjacent uplands.The
Grand Canyon ranges in elevation from 2,400 feet to over 7000 feet above
Pictures of the Black Canyon, Arizona