Product Code Database
A dissected plateau is a plateau area that has been severely eroded, and the relief is sharp. Such an area may be referred to as mountainous, but dissected plateaus are distinguishable from mountain belts by the lack of folding, Metamorphic rock, extensive Geological fault, or activity accompanying orogeny.
Subsequently, during the same or a later Glaciation period, the margins of the Till plain are removed by , leaving the plateau into which erosion by water incises . Such a plateau may be level or gently sloping but may be distinguished by the till caps on its hills. Glacial till is still widely known in United Kingdom by the older name of boulder clay.
Dissected include the Pajarito Plateau in New Mexico, on the skirt of the enormous Valles Caldera. Isolated portions of this plateau are known as , and long, connected portions are known as potreros.
These older Tectonic uplift have been eroded by creeks and to develop steep relief not immediately distinguishable from .
Many areas of the Allegheny Plateau and the Cumberland Plateau, at the western edge of the Appalachian Mountains of eastern North America, are called "mountains" but are actually dissected plateaus. One can stand on the top of one of these high "mountains" and note that all the other tops are nearly the same height, representing the original elevation profile of the plain before uplift and thereafter the subsequent weather erosion.
|
|
