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The mountains of northwest Ireland were formed during the collision, as was the granite that is found in locations in Donegal and Wicklow. The Irish landmass was now above sea level and lying near the equator , and fossil traces of land-based life forms survive from this period.
Dún Briste (English: Dun Briste Sea Stack) is a natural sea stack or pilaster - in geomorphology called stack - that was formed in Ireland during the Carboniferous period, possibly Mississippian, approximately 350 million years ago.
The geology of Ireland is diverse. Different regions contain rocks belonging to different geological periods, dating back almost 2 billion years. The oldest known Irish rock is about 1.7 billion years old and is found on Inishtrahull Island off the north coast of Inishowen [ 4 ] [ 5 ] and on the mainland at Annagh Head on the Mullet Peninsula ...
Irishtown Bend reflects the complex geology created over the last 252 million years. The Devonian shale bedrock of the area is overlain by 40 to 60 feet (12 to 18 m) of compact glacial till, followed by 20 to 30 feet (6.1 to 9.1 m) of stiff clay, 30 feet (9.1 m) of weak clay, 20 feet (6.1 m) of silt, 10 feet (3.0 m) of sand, and 10 to 20 feet ...
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The two official languages of the Republic of Ireland are Irish and English. Each language has produced noteworthy literature. Irish, though now only the language of a minority, was the vernacular of the Irish people for thousands of years and was possibly introduced during the Iron Age.
Geological Survey Ireland produces maps, reports and databases, and acts as a knowledge centre and project partner in a number of aspects of Irish geology. [ 3 ] The organisation managed the Irish National Seabed Survey (INSS, 1999–2005), which on completion was the world's largest civilian marine mapping programme.
The largest complex of hill forts in Ireland is to be found on the hills near Baltinglass. [89] The earliest known tribes to have controlled the Wicklow Mountains include the Dál Messin Corb, the Uí Mail, the Uí Theig and the Uí Briúin. [90]