Sinkholes that result from the removal of a soluble rock such as chalk, gypsum or limestone ... are built on Carboniferous limestone - a hard sedimentary rock made largely of calcium carbonate.

a hard sedimentary rock made of calcium carbonate. Other vulnerable parts of the country are areas of Dorset, Hampshire and the Chilterns, where clay and sand sit on chalk. The biggest sinkhole ...

For example it is unnecessary to explain, in a paragraph about the pebble beaches of Dieppe, that ‘chalk is a limestone made from the skeletons of ancient sea-creatures forming sedimentary strata of ...

Since becoming Bears general manager in January 2022, Ryan Poles has learned to expect the unexpected and be prepared to act quickly. Those lessons served him well this week when he was able to land ...

The legendary 1971 album Blue is her best, but the Grammy Lifetime Achievement Award winner was still rocking out in the '80s with the Refuge tour and album Chalk Mark in a Rain Storm. With 19 ...

a hard sedimentary rock made of calcium carbonate. Other vulnerable parts of the country are areas of Dorset, Hampshire and the Chilterns, where clay and sand sit on chalk. The biggest sinkhole ...