Giant's Causeway cases the horizontal fracture has resulted in a bottom face that is convex while the upper face of the lower segment is concave, producing what are called "ball and socket" joints. The size of the columns is primarily determined by the speed at which lava from a volcanic eruption cools. The extensive fracture network produced the distinctive columns seen today. The basalts were originally part of a great volcanic plateau called the Thulean Plateau which formed during the Paleocene. According to legend, the columns are the remains of a causeway built by a giant. The story goes that the Irish
S. Darius and S. Girėnas Airport Airport serves general aviation. The airport hosts the Kaunas Air Club. Its historical importance makes it a natural host for the Lithuanian Aviation Museum. The old passenger terminal building was transferred to Aviation Museum on February 19, 1990. S. Darius and S. Girėnas Airport S. Darius and S. Girėnas Airport ("S. Dariaus ir S. Girėno aerodromas") , also known as Aleksotas Airport ("Aleksoto aerodromas"), is a small airport located in Aleksotas district of Kaunas City (Lithuania), about 3 kilometres South-west from city centre. On May 6, 1993, the airport was named after the Lithuanian pilots Steponas Darius and Stasys Girėnas,