Britannica Sources used in this answer

How did limestone and basalt shape Guizhou’s landscape?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

The landscape of Guizhou is defined by its composition of limestone and basalt, which, alongside extensive folding, faulting, and stream erosion, have created the province's characteristic abrupt relief.1

The Impact of Limestone and Basalt

  • Karst Formations: In regions dominated by limestone, the landscape is shaped by karst topography. This includes dramatic features such as precipitous slopes, abrupt and protuberant mountains, extensive cavern systems, and subterranean streams.1
  • Rugged Terrain: The combination of these rock types contributes to the province's steep gorges, cliffs, and deeply incised valleys.1
  • Soil Development: These geological foundations also influence the region's pedology. In southern limestone areas, the weathering of the rock has resulted in broad expanses of red soil. Similarly, in the west, red soils have developed from the weathering of basalt and sandstone under a relatively drier climate.2

While much of the plateau is rugged, central Guizhou contains areas of upfolded and downfolded stratified rock layers that remain relatively broad and flat.1