Beds of Limestone deposited 340 million years ago in shallow tropical seas just south of the equator. The rocks are now part of the Pennine chain.

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Beds of Limestone deposited 340 million years ago in shallow tropical seas just south of the equator. The rocks are now part of the Pennine chain in northern England and quarried for several centuries,

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Size: 6000px × 4000px
Location: Salthill Quarries, Lancs, UK
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

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