Dip - The angle that coastal rocks face the sea, Strata - Layers of different rock types, Bedding planes - A line in rocks separating two different layers, Concordant - Bands of differing rock type run parallel to the cosst, Discordant - Bands of differing rock type run perpendicular to the coast, Hydraulic Action - As waves smash against the cliff air is forced into cracks and breaks the rock apart, Abrasion - When pebbles grind along a rock platform like sandpaper, Attrition - When rocks being carried by the sea knock against each other, Solution - Dissolving of rock , Headland - Section of land jutting out to sea, Bay - A recessed coastal body of water, Swash - Water that washes up the beach after an incoming wave has broken, Backwash - Motion of receding waves , Longshore drift - Movement of material along a coast in the direction of prevailing wind, Stack - A steep vertical column of rock near a coast, Stump - Feature that remains when the top of a stack collapses, Berm - Ridge or raised bank on a beach, Littoral zone - Part of the sea that is closest to the shore, Blowhole - Formed as sea caves grow upwards, Weathering - The breaking down or dissolving of rocks, Isostatic change - Usually local changes in sea level caused by the rising or sinking of land, Eustatic change - Global sea level changes related to the volume of water in the ocean, Glaciation - The process or state of being covered by ice sheets or glaciers, Igneous - Rock formed from volcanic activity, Metamorphic - Type of rock formed by immense heat and pressure, Sedimentary - Type of rock formed from the broken remains of other rocks, Folds - Formed by pressure during tectonic activity that causes the rock to buckle or crumple, Clastic - Rocks composed of broken pieces of older rocks, Joints - Vertical cracks, formed either contractions as sediments dry out or by earth movements during uplift, Faults - Formed when pressure the rock is subjected to exceeds its internal strength causing it to fracture,

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