Geometrical erosion of sedimentary rocks
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Geometrical erosion of sedimentary rocks

by Konstantinos Kourtidis, Demokritus University of Thrace, Xanthi, Greece

Sedimentary rocks of Faraklo, Lemnos island, Greece. Formed at late Eocene, early Oligocene. Deposition might have occured in submarine fans. Image is around 2 m across.