Earth Science Conservation Review

Noon's Hole-Arch Cave; Old Barr SinkFermanagh
Summary Full report
Site Type: Sinkhole
Site Status: ASSI
Council area: Fermanagh & Omagh District Council
Grid Reference: H09244844
Bing maps: 54.38461,-7.85838
Google maps: 54.38461,-7.85838
Rocks
Rock Age: Quaternary, Carboniferous (Asbian, Holocene, Visean)
Rock Name: Dartry Limestone Formation, Knockmore Limestone Member
Rock Type: Limestone
Interest
Other interest: doline, sinkhole
Summary of site:
This wooded doline is crossed by a small stream that sinks in several places. One of the sinks (a narrow slot dug by cavers) ends in a boulder chamber with a number of boulder-defined rifts. The water is believed to drain through into the Inlet 1 series near Artie’s Chamber in the Noon’s Hole system.

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