Tissington Spires is an example of Reef Knoll.
The limestone that forms the White Peak was laid down about 325 million years ago when the area was situated a few degrees south of the Equator and a tropical lagoon. Reefs were mostly formed from corals and became pure white limestone; they were mostly found at the fringe of the lagoon and tend to be more resistant to erosion.
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Photo taken in Tissington and Lea Hall, Derbyshire DE6, UK
Misplaced? Suggest new location