Mesa is a city located in Indonesia. While the provided source material does not offer specific geographical details regarding its location within the country or its local landmarks, it defines the geological term "mesa" as an isolated, flat-topped elevation or ridge.
Geologically, mesas are characterized by steep escarpments on all sides and stand distinctly above surrounding plains. They typically consist of soft sedimentary rocks, such as shales, which are protected by a resistant caprock made of harder materials like sandstone, limestone, lava flows, or eroded duricrust.