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Coastal Processes and Erosion Landforms

Coastal Processes and Erosion Landforms. Caves, Arches, Stacks and Stamps By Ella, Freddie and Olivia. Pictures. Caves.

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Coastal Processes and Erosion Landforms

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  1. Coastal Processes and Erosion Landforms Caves, Arches, Stacks and Stamps By Ella, Freddie and Olivia

  2. Pictures

  3. 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.

  4. 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.

  5. 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.

  6. 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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