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GCSE Geography · key term
A deep hollow eroded at the foot of a waterfall by turbulent water and swirling rock fragments.
Used by AQA, Edexcel and OCR
Specification 3.1.3.3 · Paper 1
A deep hollow at the foot of a waterfall, excavated by falling water and the abrasion of rock fragments.
Revise: River Landforms in the UKFalling water and swirling rock fragments deepen a plunge pool at its foot. Erosion also removes softer rock beneath the resistant layer, undercutting it and leaving an overhang.
Specification 1.8 · Paper 1
Revise: River LandformsAt the base of the fall, turbulent water and swirling rock fragments erode a plunge pool. The softer rock beneath the resistant layer is also worn away, undercutting it and leaving an unsupported overhang.
Specification 3.2a · Paper 1, Paper 3
A deep hollow eroded at the foot of a waterfall.
Revise: River Landforms: Erosional and Depositional FeaturesA deep plunge pool develops, and erosion undercuts the resistant rock above it.
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