| Noon's Hole-Arch Cave; Seltanahunny Sink | Fermanagh |
| Site Type: | Sinkhole | | Site Status: | PASSI | | District: | Fermanagh District Council | | Grid Reference: | H08964860 | | Rocks |
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| Rock Age: | Quaternary, Carboniferous (Asbian, Holocene, Visean) | | Rock Name: | Dartry Limestone Formation, Knockmore Limestone Member | | Rock Type: | Limestone | | Interest |
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| Other interest: | No data, No Data, sinkhole | Summary of site:
This is a bedding plane sink. The stream enters the space between two beds and flows along a 12m, tight passage to a waterfall and duck. The water is believed to join the Noon’s Hole drainage. |
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