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  2. In geology, a trough is a linear structural depression that extends laterally over a distance. Although it is less steep than a trench, a trough can be a narrow basin or a geologic rift. These features often form at the rim of tectonic plates.

  3. U-shaped valleys. , or troughs, with a flat floor and steep sides. The glacier uses the processes of plucking and abrasion to widen, steepen, deepen and smooth 'V'-shaped river valleys into a...

  4. These are valleys formed by the glacial processes of weathering, erosion and transportation. They have steep sides and flat floors. Unlike V-shaped river valleys, glacial troughs are straight as they have truncated any interlocking spurs which existed prior to glacial advance.

  5. Aug 9, 2024 · Learn about the formation of glacial landforms from corries to troughs, along with examiner tips and worked examples for the AQA GCSE Geography exam.

  6. Learn about and revise glacial landforms and processes, including weathering, erosion, transportation and deposition, with GCSE Bitesize Geography (AQA).

  7. The formation of a glacial trough involves two processes abrasion and plucking. Abrasion is when pieces of debris in the glacier wear away at the rocks below, a bit like sandpaper. The...

  8. Mar 22, 2021 · Glacial troughs (or U-shaped valleys) These are valleys formed by the glacial processes of weathering, erosion and transportation. They have steep sides and flat floors.

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