Complex sentence: Bunter beds are sandstone deposits containing rounded pebbles, such as can notably be found in Warwickshire, Cheshire, Staffordshire, Nottinghamshire, Yorkshire, Devon and Dorset in England.
Split into simpler sentences: Bunter beds are sandstone deposits containing rounded pebbles. They can be found in Warwickshire, Cheshire, Staffordshire, Nottinghamshire, Yorkshire, Devon and Dorset in England.