Archived: 8 September 2026
Abstract
About 31,983 BCE, Ireland lay in the later Marine Isotope Stage 3, a cold, variable period before the Last Glacial Maximum, rather than beneath uniform ice. Castlepook Cave in County Cork preserves mixed, imperfectly excavated animal remains including reindeer, mammoth, giant deer, predators and Arctic species, demonstrating an Ice-Age fauna. Revised dating places some bones in this era. Cut marks on a reindeer femur may indicate stone-tool butchery and intermittent human presence around 33,000 years ago, but prove neither settlement nor society. Subsequent glaciation and rising seas obscured evidence; sustained settlement is documented only much later, at Mesolithic Mount Sandel.
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Archived: 8 September 2026
Abstract
Around 31,997 BCE, Ireland’s history cannot be reconstructed as a dated event, because no written or securely associated archaeological evidence survives. The period, roughly 34,000 years ago, preceded the Last Glacial Maximum and featured changing, regionally variable environments. Castlepook Cave in County Cork preserves remains of reindeer, mammoth, giant deer, bears, wolves and hyenas, indicating productive open habitats. A reported cut mark on a reindeer femur may represent Upper Palaeolithic butchery, but cannot demonstrate permanent settlement or continuous occupation. No tools, hearths, human remains, political structures or cultural traditions are securely known. Ireland’s possible human presence remains tentative and episodic.
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