Eroded Devonian slate. Veins of quartz (white) are seen within the rock. The cracks are cleavage (breakage) plains that form along lines of weakness i

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Eroded Devonian slate. Veins of quartz (white) are seen within the rock. The cracks are cleavage (breakage) plains that form along lines of weakness in the rock. Photographed on Brownsham beach, Devon, UK.

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Size: 4368px × 2912px
Photo credit: © DR KEITH WHEELER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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