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Like most of Ireland, the Burren was under a tropical ocean over 360 million years ago resulting in a layer of limestone. Later tectonic movement raised a section of this ancient seabed into a great plateau which we now know as the Burren. The Ice Age ploughed through the region, widening the river valleys and depositing boulder clay. After the Ice Age the landscape went through periods of tundra and different types of woodland. Man came here over 6000 years ago, cleared the forests and set in motion soil erosion. Centuries of weathering has produced a terrain of fissured limestone pavements, disappearing lakes, terraced mountains, and underground cave systems. For millennia man has left his mark, megalithic tombs and cooking sites litter the pavements, while medieval towerhouses and churches guard the valleys. Today man is absent from most of the upland, leaving behind ancient field systems, routeways and placenames. |
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