The geology at Killard was really interesting. The cliffs at the back of the beach were cemented glacial deposits and in places you could see glacially striated bedrock. This is the only site in the Irish Sea where sub-glacial sediments were discharged straight into the sea.
Here, a rapidly flowing icesheet entered into a tidal sea while inland the ice was shaping the debris into drumlin swarms as it melted and swept into the sea. A far better summary and more information is provided in the ESCR site summary
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| The back of the beach. |
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| Caves. |
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| Layers of pebbles/cobbles and what was basically a sandstone. |
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| Nice layers... |
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| Something was obviously going on here...with cobbles having a different orientation. |
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| Metamorphic bedrock. |
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| With glacial striations. |