Rock 365 : Day 79 : Wenlock Reefs #365photos
Day 79 : A field photo from Knowle Quarry, Presthope, Much Wenlock, Shropshire. The original GSSP for the Wenlockian, here are reef knolls and background sedimentation. The face is also a fault plane with red iron staining and horizontal slickenside lineations.
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