Clay diapirism in the Lower Emsian La Vid shales near Colle, Cantabrian mountains, NW-Spain

Abstract

Faults, tension-rupture, slumplike- and load-and-flamelike structures in thin carbonate intercalations in the Upper La Vid (Lower Emsian) shales NW of Colle are described. They are argued to have been caused or accentuated by clay diapirism. The paleoslope probably had no influence on this deformation process.