형성과정은 출처 : Earth Science - The Earth, The Atmosphere, and Space by Stephen Marshak (2017)-471page Butte, Mesa, Pinnacle, and Plateau. a Cross-sectional view of a terrain. b Aerial view Butte is an isolated hill with steep, often vertical sides and a small, relatively flat top. Mesa is an elevated land with a flat top and steep cliffs sides. b Redrawn from Earth’s Dynamic Systems with permission ..