coastal erosion formations in the cantabrian broken coast

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