A former gravel beach left stranded above the modern sea level due to falling relative sea level produced by glacial rebound. The weight of the ice sheet depressed the land surface which rebounded once the ice sheet load was removed. A series of raised beaches shows that the land has risen a considerable amount in this area, near Spotted Islands on the coast of central Labrador. Sea Cave A cave formed by wave erosion. Fracturing and jointing makes it easier for the sea to erode rocks.
Sea caves are often the beginning of sea arches and sea stacks.
A sea cave in fractured and jointed rocks near Facheux Bay, south coast of Newfoundland. An arch cut by wave erosion through a headland. This sea arch, near Cap Perc, Miquelon, has probably evolved from a sea cave. A small, pillar-shaped, rock island formed by wave action. A well-developed sea stack in Carboniferous sandstone near Searston, Codroy Valley, western Newfoundland.