marina trench
Canyon
A deep valley with steep sides would be called a gorge or canyon.
A canyon
A narrow valley is a V-shaped valley, or river valley. A narrow valley has steep sloped sides that look like the letter V. They are formed by a strong stream.
That could be a ravine or a gully
a long deep gulley, a narrow valley or gorge
A deep valley with steep sides would be called a gorge or canyon.
Fjord
Rivers often form a steep mountain slopes. Near its sourcem a river is often a fast flowing and generally follows a straight, narrow course. The steep slopes along the river erode rapidly. The result is a deep, V-shaped valley. from-Lil'lexoo! =]
Canyon
Rift valley.
Such a valley would be called a gorge.
Rivers often form a steep mountain slopes. Near its sourcem a river is often a fast flowing and generally follows a straight, narrow course. The steep slopes along the river erode rapidly. The result is a deep, V-shaped valley. from-Lil'lexoo! =]
Rivers often form a steep mountain slopes. Near its sourcem a river is often a fast flowing and generally follows a straight, narrow course. The steep slopes along the river erode rapidly. The result is a deep, V-shaped valley. from-Lil'lexoo! =]
A rift valley has steep narrow sides and a flat floor. A rift valley forms where the Earth's crust is spreading or splitting apart.
A canyon
a deep, steep-sided, narrow river valley
Valley