In geology and earth science, a plateau, also called a high plateau or tableland,'s an area of highland, usually consisting of relatively flat terrain. A highly eroded plateau's called a dissected plateau. A volcanic plateau's a plateau produced by volcanic activity. The largest and highest plateau in the world's the Tibetan Plateau, called the "roof of the world", which's still being formed by the collisions of the Indo-Australian and Eurasian tectonic plates. In all the Tibetan plateau covers… (More on Plateaus)