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Glen – Name for valley commonly used in Ireland, Scotland and the Isle of Man; Gorge – Deep chasm between cliffs; Graben – Depressed block of planetary crust bordered by parallel normal faults; Gulch – Deep V-shaped valley formed by erosion; Gulf; Gully – Landform created by running water and/or mass movement eroding sharply into soil
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.
Dendritic drainage: the Yarlung Tsangpo River, Tibet, seen from space: snow cover has melted in the valley system. In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of land, whether a particular region is ...
Others are formed at the margin of the ice as small deltas. [9] Kame terraces are benches of sand and gravel that were deposited by braided rivers flowing between the side of the valley and the glacier's ice margin. Kame terraces on opposite sides of a valley glacier may be at different elevations. [10]
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 ...
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.
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The eastern head of the Ridge and Valley region is marked by the Great Appalachian Valley, which lies just west of the Blue Ridge. The western side of the Ridge and Valley region is marked by steep escarpments such as the Allegheny Front, the Cumberland Mountains, and Walden Ridge. The Valley and Ridge is located on the west side of the Blue ...