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Published byHelena Freeman Modified over 9 years ago
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Coastal Processes and Erosion Landforms Caves, Arches, Stacks and Stamps By Ella, Freddie and Olivia
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Pictures
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Caves Caves are formed where coastlines consist of resistant rock such as limestone. When corrosion and hydraulic action by waves occurs it creates a widening that weakens and forms a cave. Definition: a large underground chamber, typically of natural origin, in a hillside or cliff.
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Arch If a cave is created at a headland there is a possibility of it deepening and widening by the sea resulting in an natural arch.
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Stack A stack occurs when waves continue to erode at the foot of the arch until the top becomes overly heavy and can no longer be supported. Definition: a column of rock standing in the sea, remaining after erosion of cliffs.
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Stump When the base of the stack is battered by the water it results in the stack collapsing leaving a stump behind.
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