Ring Of Gullion
The Ring of Gullion () is a geological formation and area, officially designated as an Area of Outstanding Natural Beauty, (AONB) located in County Armagh, Northern Ireland. The area centres on Slieve Gullion, the highest peak in County Armagh, measures roughly and comprises some 150 km2 defined topographically by the hills of an ancient ring dyke. Parts of the area have also been officially listed as Areas of Special Scientific Interest. The geological formation was the first ring dyke to be mapped, although its significance was not understood until similar structures had been described from Scotland. It was emplaced during the Paleogene opening of the Atlantic Ocean during the formation of the North Atlantic Igneous Province. Geological history and features The structure of the ring dyke was produced when the active volcano's caldera underwent collapse producing a concentric suite of faults providing space into which magma was able to intrude. The ring dyke is composite ...
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County Armagh
County Armagh (, named after its county town, Armagh) is one of the six counties of Northern Ireland and one of the traditional thirty-two counties of Ireland. Adjoined to the southern shore of Lough Neagh, the county covers an area of and has a population of about 175,000. County Armagh is known as the "Orchard County" because of its many apple orchards. The county is part of the historic province of Ulster. Etymology The name "Armagh" derives from the Irish word ' meaning "height" (or high place) and '. is mentioned in '' The Book of the Taking of Ireland'', and is also said to have been responsible for the construction of the hill site of (now Navan Fort near Armagh City) to serve as the capital of the kings (who give their name to Ulster), also thought to be 's ''height''. Geography and features From its highest point at Slieve Gullion, in the south of the county, Armagh's land falls away from its rugged south with Carrigatuke, Lislea and Camlough mountains, to rollin ...
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