Thrupe Lane Swallet
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| Thrupe Lane Swallet | |
|---|---|
| Location | Croscombe |
| Depth | 120 metres |
| Length | 1417 metres |
| Coordinates | grid reference ST603458 |
| Geology | Limestone |
Thrupe Lane Swallet (grid reference ST603458) is a 0.5 hectare geological Site of Special Scientific Interest in Somerset, notified in 1992. It is a Geological Conservation Review site.
A Swallet, also known as a sinkhole, sink, shakehole, swallow hole, or doline is a natural depression or hole in the surface topography caused by the removal of soil or bedrock, often both, by water flowing beneath the water-table at considerable depth.
Thrupe Lane Swallet is a small, single pothole cave system that is dominated by a series of deep (117m) and mainly vertical passages, which follow fault lines, natural joints in the rock and mineral veins.[1] It shows a form of cave development not seen elsewhere in the Mendips.
[edit] References
- ^ Thrupe Lane Swallet. English Nature. Retrieved on 2007-01-29.
[edit] See also
[edit] External links
- English Nature website (SSSI information)
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