Angular unconformity
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Angular unconformity

by André Cortesão

Angular unconformity in Praia do Telheiro, Algarve. It shows Late Triassic red and yellow planar sandstones resting on top of tilted black shales and greywackes of Carboniferous age, deformed during the Variscan orogeny.

Featured on GeoLog, the official blog of the European Geosciences Union