A V shaped valley, over time the river erodes downwards causing a channel, then the rocks at the sides collapse in because they have nothing supporting them causing a valley with steep sides
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 steep valley is called a canyon or ravine. Valleys can have different shapes because of the shape of the land and what is eroding it. The canyons usually have steep sides. Other words that can refer to a steep valley include gully, hollow and gorge.
Valley
A Canyon A Ravine A Gorge A Gully A defile A Linn A Flume A Clough
These are called Ocean ridges. The most noted one is the mid-atlantic ridge.
A canyon or chasm
Such structure could be called a Canyon.
Canyon
A deep valley with steep sides would be called a gorge or canyon.
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.
It is a Canyon as in the Grand Canyon.
the river running through rock wear it down into deep valley with the steep sides what is it called
A steep valley is called a canyon or ravine. Valleys can have different shapes because of the shape of the land and what is eroding it. The canyons usually have steep sides. Other words that can refer to a steep valley include gully, hollow and gorge.
Basins and canyons are both valleys. A basin is a wide valley shaped like a bowl and a canyon is a very narrow valley with steep sides.
Valley
fjord
A 'hanging valley' is a valley which is cut across by a river flowing in a deeper valley.