Dissected plateau Dissected plateau A dissected plateau is a plateau area that has been severely eroded so that the relief is sharp. Such an area may be referred to as mountainous, but dissected plateaus are distinguishable from orogenic mountain belts by the lack of folding, metamorphism, extensive faulting, or magmatic activity that accompanies orogeny. The Allegheny Plateau, the Cumberland Plateau, the Ozark Plateau, and the Catskill Mountains in the United States and the Blue Mountains in Australia and the Deccan Plateau in India are examples of dissected plateaus formed after regional uplift. These older uplifts have been eroded by creeks and rivers
Plateau State Nigeria had twelve states. Following the civil war, Benue-Plateau State was one of several large states which were further split up following pressure on the Federal Government. Under the military administration of General Yakubu Gowon, the country was further divided into nineteen states in 1976 and Plateau State was created from Benue-Plateau covering the area of the original Plateau Province. In 1996, Plateau State was further subdivided to create Nasarawa State which was carved out of the western half of Plateau State by Sani Abacha's military regime. Tin mining activities began in 1902 under the British and continue to the