A boulder of Millstone Grit on Ilkley moor with a perfect circular hole probably formed by a large inclusion hat has weathered out of the bedrock.

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Size: 5173px × 3449px
Photo credit: © ASHLEY COOPER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, bedding, boulder, circle, erosion, folded, folding, geology, grit, hole, ilkley, inclusion, kingdom, millstone, moor, moorland, plane, rock, sedimentary, shape, stone, triangle, uk, united, weathering, yorkshire