Chemical sedimentary and carbonate rocks are responsible for sinkholes throughout the country. The U.S. consists of 35 to 40 percent chemical sedimentary rocks, such as gypsum, anhydrite and salt. Carbonate…
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Chemical sedimentary and carbonate rocks are responsible for sinkholes throughout the country. The U.S. consists of 35 to 40 percent chemical sedimentary rocks, such as gypsum, anhydrite and salt. Carbonate…