Giant's Causeway with higher saline content than that found at the causeway. Although the basaltic columns of the Giant's Causeway are impressive, they are not unique. Basalt columns are a common volcanic feature, and they occur on many scales (because faster cooling produces smaller columns). The Belfast-Derry railway line run by Northern Ireland Railways connects to Coleraine and along the Coleraine-Portrush branch line to Portrush. Local Ulsterbus provide connections to the railway stations. There is a scenic walk of 7 miles from Portrush alongside Dunluce Castle and the Giant's Causeway and Bushmills Railway. Giant's Causeway The Giant's Causeway is an area of
Geological Society of Washington 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. H. Holmes and geologist G. P. Merrill of the Smithsonian Institution. By the end of February, 1893, they had drafted a constitution and attracted a