Geology of Ireland Geology of Ireland The geology of Ireland consists of the study of the rock formations in Ireland. The island contains rocks from every age from Proterozoic to Holocene and a large variety of different rock types is represented. The basalt columns of the Giant's Causeway together with geologically significant sections of the adjacent coast have been declared a World Heritage Site. The geological detail follows the major events in Ireland's past based on the geological timescale. The oldest known Irish rock is about 1.7 billion years old and is found on Inishtrahull Island off the north coast of Ulster. Outcrops
The Columns (Columbia, Missouri) At the beginning of the academic year, freshmen participate in Tiger Walk to symbolize their move from the wider community to the university by walking through the columns. Tap Day occurs under the columns, when the schools secret societies announce their new members. A mural of James S. Rollins and the Columns is located in the office of the Missouri Governor in the Missouri State Capitol. The Columns are also featured in the Missouri House in a monumental stained-glass window titled "Missouri at Peace". A mural by George Caleb Bingham depicting Academic Hall was destroyed when the same burned. Academic