detail of sedimentary rocks layers caused by coastal erosion in costa quebrada, spain

costa quebrada coastal erosion landform stratum limestone marl formations joint contact layers lithology geological diaclasa marlstone eroded white brown materials detail sediments sedimentary rocks turonian cenomanian rock lithological fracture weathered wave cove sea cliff stratification steep crest carbonate marine coastline pedruquios madero cantabrian coast displacement litoral liencres broken cantabria spain site caused landforms displaying