• KARST REGION
    PHYSICAL GEOGRAPHY

    KARST REGION

    Karst region refers to large stretch of land occupied by limestone which possesses a unique type of topography. Limestone is a sedimentary rock of organic materials made of calcium carbonate. Karst landscapes develop where the bedrock is comprised of an extremely soluble calcium carbonate rock, for example: limestone, gypsum, or dolomite. Limestone is the most soluble calcium carbonate rock. Consequently, most karst regions develop in areas where the bedrock is limestone. Karst regions occur mainly in the great sedimentary basins. The United States contains the most extensive karst region of the world. The Mammoth cave system is located in this area. Other extensive karst regions can be found in southern…

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