Geology of Ireland longest known free-hanging stalactites. 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
Geological Society of Washington areas at GSW meetings: In addition, GSW provides judges for science fairs in the Washington area and gives awards to the best earth science projects. Geological Society of Washington The Geological Society of Washington is a learned society based in the Washington, D.C. area. According to its constitution, "The object of the Society is the increase and diffusion of geological knowledge" The Geological Society of Washington (GSW) was founded in 1893. The core group of organizers was paleontologist C. D. Walcott and geologists S. F. Emmons and J. S. Diller of the United States Geological Survey (USGS), and artist/geologist W.