affaissement (1) étable (1) spectacle (1) elevation du niveau de la mer (1) niveau de la mer (1) plage (1) baie (1) pollution (1) calcaire (1) zone intertidale (1) datation (1) comparaison (1) côte (1) méthode (1) ciment (1) carbonate (1) faille (1) Comparison (1) Area (1) Dating (1) Observations (1) Observations (1) Cathodoluminescence (1) Area (1) Twelfth century (1) Stability (1) Seventh century (1) Sea level (1) Radiocarbon dating (1) Pollution (1)