• Mesa
  • Suqian

A mesa is an isolated, flat-topped elevation, ridge or hill, which is bounded from all sides by steep escarpments and stands distinctly above a surrounding plain. Mesas characteristically consist of flat-lying soft sedimentary rocks capped by a more resistant layer or layers of harder rock, e.g. shales overlain by sandstones. The resistant layer acts as a caprock that forms the flat summit of a mesa. The caprock can consist of either sedimentary rocks such as sandstone and limestone; dissected lava flows; or a deeply eroded duricrust. Unlike plateau, whose usage does not imply horizontal layers of bedrock, e.g. Tibetan Plateau, the term mesa applies exclusively to the landforms built of flat-lying strata. Instead, flat-topped plateaus are specifically known as tablelands.

Suqian, referred to as "Su", also known as Shuicheng, in ancient times, Xixiang, Suyu and Zhongwu, prefecture-level cities in Jiangsu Province, are important gateway cities radiating from coastal areas to the central and western regions, Xuzhou Metropolitan area, the core city of Jianghuai Ecological Economic Zone, Belt and Road Initiative node cities, one of the central cities of Huaihai Economic Zone, and an important e-commerce center in China. It is an important strategic fulcrum along the East Longhai economic belt, coastal economic belt and Yangtze River economic belt. Suqian Director Triangle North Wing,.
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