Microsoft Rewards Bing Homepage Quiz Question: What type of rock forms this plateau in southern England called Cranborne Chase? Hint: It extends to the White Cliffs of Dover.
A Granite
B Chalk
C Shale
Formed from lime mud, chalk gets its unique white color because it’s made from the skeletons of plankton. Cranborne Chase is part of the Chalk Group, one of the defining geological features of southern and eastern England.
The correct answer is Chalk.