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Earth Science Conservation Review

Summary Full report
Slieve Gullion Ring - Sarah Daly's BridgeArmagh
Site number:1127
ESCC:EO
Locality Type:Crag Status: ASSI
Grid Reference: J02772308 Centroid
Google maps: 54.14625,-6.42833
County: ArmaghCouncil area:Newry, Mourne & Down District Council
Period:Tertiary
Stages:Palaeogene
Lithostrat:Slieve Gullion Complex
Site Description
image: 1127a.jpg Fault gap N of shoulder of Slieve Gullion, just N of road from Sarah Daly
Fault gap N of shoulder of Slieve Gullion, just N of road from Sarah Daly's Bridge to Ballintemple viewpoint; rock face above bog shows liquid/liquid contacts between dolerite and granophyre, with curvilinear net-veining in basic igneous component.
Description:
The lobate and crenulate contact between dolerite of layer 4 above and granophyre below can be traced along the length of the crag.
image: 1127b.jpg Detail of dolerite/granophyre contact, obscured by weathering and lichen growth but can be identifed and traced by close inspection.
Detail of dolerite/granophyre contact, obscured by weathering and lichen growth but can be identifed and traced by close inspection.
Curvilinear net-veining is well displayed in the dolerite.
Importance:
This locality is illustrated by Elwell et al (1974) in their classification of net-veining. A good example of a liquid/liquid contact. It overlooks bogland of botanical interest.
Notes:


For reference list see; Key Site 1118 - Slieve Gullion Ring - Overview

Although details of the contact are obscured by weathering and lichen growth, it can be identified and traced by close inspection.
Keywords
Rocks:Dolerite, Granophyre
Structures:net veins
Relations:Contact, Intrusion
NonGeol:Surrounding bogland is of botanical interest.
Access
Approach:The exposure is located just N of the scenic road from Sarah Daly's Bridge to Ballintemple, approximately 2.5 km E of Sarah Daly's Bridge, J00552260.

Map(s): For site location see the 1:50,000 O.S. Sheet 29 (The Mournes) Discoverer
Series.
Record type: ESCR report    
Entered by: E M Porter

 Enlander, I., Dempster, M. & Doughty, P., 2026. Slieve Gullion Ring - Sarah Daly's Bridge, County Armagh, site details. [In] Earth Science Conservation Review.
https://www.habitas.org.uk/escr/site.php?item=1127. Accessed on 2026-11-08.

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