Types Of Plateaus

Types of Plateaus

  • A volcanic plateau is formed by numerous small volcanic eruptions that slowly build up over time, forming a plateau from the resulting lava flows.

    Example: The Columbia Plateau in the northwestern United States of America and Deccan Traps are two such plateaus. Columbia Plateau has been formed as the result of volcanic eruptions with a consequent coating of basalt lava (Flood Basalt Plateau).
  • The surface relief of Piedmont is characterized by relatively low, rolling hills with heights above sea level between 50 m and 300 m. Its geology is complex, with numerous rock formations of different materials and ages intermingled with one another. Essentially, Piedmont is the remnant of several ancient mountain chains that have since been eroded away.
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    Example: Patagonian Plateau is a Piedmont plateau (Arid Landforms) lying in southern part of Argentina. It is a rain shadow desert plateau. It is an important region for sheep rearing.
Types Of Plateaus
  • Large igneous province, also known as a continental flood basalt, plateau basalt, and trap, is deposit that includes vast plateaus of basalts, covering large areas of some continents. They have a tholeiitic basalt composition, but some show chemical evidence of minor contamination by continental crust. They are similar to anomalously thick and topographically high seafloor known as oceanic plateaus and to some volcanic rifted passive margins.

    Example: Colombia has a fine Flood Basalt Plateau.
  • They are wide tablelands that are formed or situated between mountain ranges when a plateau is surrounded by mountains on all sides.
Example: Colorado Plateau and Bolivian Plateau. Colorado lies to western part of U.S.A. It is the largest plateau in America.

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