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
Bodorna Rock Columns Natural Monument Bodorna Rock Columns Natural Monument Bodorna Rock Columns Natural Monument () is a rock pillar with a height of 15 m and diameter 4 m near village Bodorna of Dusheti Municipality, Mtskheta-Mtianeti Georgia at a distance of 70-80 m from the S3 highway (Georgia) at 813 m above sea level. Natural monument is located approximately 150-200 m from Bodorna Church of Saint Virgin Mary built in the XVII century and is overlooking the Aragvi valley from the river right bank on the slopes of eastern exposure. Locally this deemed natural tower is known as "Tsotsola Rock" and rumored to have