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Earth Science Conservation Review
| Lifeboat House, Cushendall | Antrim |
| Site number: | 310 | File Number: | D22 |
| ESCC: | EF | ||
| Locality Type: | Coastal section | Status: | ESCR |
| Grid Reference: | D244269 Centroid | ||
| Google maps: | 55.07427,-6.05238 | ||
| County: | Antrim | Council area: | Causeway Coast & Glens Borough Council |
| Period: | Devonian | ||
| Stages: | Upper Devonian | ||
| Lithostrat: | Red Arch Formation | ||
| Site Description | |
|---|---|
| Description: | |
Unit 1 conglomerates are exposed along almost one half of the ASSI coastal section and extend from the Lifeboat House to a minor fault line located 400m to the south. They consist of laterally persistent beds of clast-supported conglomerate up to 1.5m thick with boulders up to 1m diameter and thin beds of parallel laminated pebbly sandstone. Towards the top of this unit cross-stratification and laterally impersistent bedding is more typical. The change in the nature of bedding and sedimentary structures is believed to reflect deposition on an alluvial fan changing from proximal sheetflood to a braided stream environment. | |
| Notes: | |
For general information and reference list on the Red Arch Formation see Key Site 1148 - Red Arch Formation; Cushendall to Red Arch, Glenariff. For general information and reference list on the Devonian System in N. Ireland see Key Site 1147 - The Devonian System in N. Ireland - Introduction. | |
| Keywords | |
|---|---|
| Rocks: | Conglomerate, Sand, Sandstone |
| Structures: | cross-bedding |
| Paleoenv: | alluvial fan, braided stream |
| Map(s): | See the 1:50,000 O.S. Sheet 5 (Ballycastle). | ||
| Record type: | Environment Serv. GIS, ESCR report | ||
| Entered by: | Doughty, P.J. | ||
| Enlander, I., Dempster, M. & Doughty, P., 2026. Lifeboat House, Cushendall, County Antrim, site details. [In] Earth Science Conservation Review. https://www.habitas.org.uk/escr/site.php?item=310. Accessed on 2026-11-06. |
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