Gorge
Deep and narrow river valley with steep, sometimes rocky slopes.
A gorge is a narrow, steep-sided valley that is often formed by the erosive action of a river cutting through resistant rock over long periods of time. It is typically deeper and steeper than a canyon and is often dramatic in appearance.
Key Features of a Gorge:
- Steep Walls: The sides of a gorge are often very steep or vertical, formed by erosion or tectonic forces.
- River Flow: Most gorges have a river or stream running through them, which is responsible for carving the valley.
- Formation: Gorges are created through natural processes like:
- River Erosion: Over time, the flowing water cuts deeply into the rock.
- Glacial Activity: Some gorges are carved by glacial meltwater.
- Tectonic Activity: Movements of the Earth's crust can uplift areas, allowing rivers to cut down into the rock.
- Examples:
- Grand Canyon (USA): While larger and considered a canyon, parts of it resemble gorges.
- Verdon Gorge (France): A famous example of a deep river gorge.
Comparison to a Canyon:
- Gorges are generally narrower and steeper than canyons, though the terms are sometimes used interchangeably.
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