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Cove: A small valley, closed at one or both ends, in the central or southern Appalachian Mountains which sometimes results from the erosion of a geologic window. Dell: A small, secluded, and often wooded valley. Dry valley: A valley not created by sustained surface water flow. Erosional valley: A valley formed by erosion.
A valley step (German: Talstufe or Talschwelle) is a prominent change in the longitudinal slope of a valley, mainly in trough valleys formed by glaciers. Typically, a valley formed by glaciers has a series of basins with intervening steps formed by the locally varying erosion depths of valley glaciers .
Cirque – An amphitheatre-like valley formed by glacial erosion; Col – Lowest point on a mountain ridge between two peaks; Crevasse – A deep crack, or fracture, in an ice sheet or glacier; Corrie – An amphitheatre-like valley formed by glacial erosion or cwm; Cove (mountain) – Small valley in the Appalachian Mountains between two ridge ...
U-shaped valley, also known as glaciated valley – Valleys formed by glacial scouring; Gully – Landform created by running water and/or mass movement eroding sharply into soil; Canyon, also known as Gorge – Deep chasm between cliffs; Valley – Low area between hills, often with a river running through it
Coulee – Type of valley or drainage zone; Couloir – Steep, narrow mountain gully – a narrow gully with a steep gradient in a mountainous terrain; Dale (landform) – Open valley; Draw (terrain) – Terrain feature formed by two parallel ridges or spurs with low ground in between; Gulch – Deep V-shaped valley formed by erosion
A rift valley near Quilotoa, Ecuador. The Ottawa-Bonnechere Graben Þingvallavatn. A rift valley is a linear shaped lowland between several highlands or mountain ranges produced by the action of a geologic rift. Rifts are formed as a result of the pulling apart of the lithosphere due to extensional tectonics. The linear depression may ...
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The glacier visible at the head of the valley is the last remnant of the formerly much more extensive glacier which carved it. U-shaped valley with lake in Myklebustdalen, Nordfjord, Sogn og Fjordane, Norway. U-shaped valleys, also called trough valleys or glacial troughs, are formed by the process of glaciation.