Earth Science Conservation Review

Noon's Hole-Arch Cave; Killydrum SinkFermanagh
Summary Full report
Site Type: Sinkhole
Site Status: ASSI
Council area: Fermanagh & Omagh District Council
Grid Reference: H09954771
Bing maps: 54.37831,-7.84763
Google maps: 54.37831,-7.84763
Rocks
Rock Age: Quaternary, Carboniferous (Asbian, Holocene, Visean)
Rock Name: Dartry Limestone Formation, Knockmore Limestone Member
Rock Type: Limestone
Interest
Other interest: sinkhole
Summary of site:
This is a large swallow hole leading to a small, choked sink. Water entering here is believed to drain through the Noon’s Hole system.

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