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 and S Consolidated Independent School District for which community. In 2009, the school district was rated "recognized" by the Texas Education Agency. S&S Consolidated ISD has a total of three schools - two in Sadler and one in Southmayd. S and S Consolidated Independent School District S and S Consolidated Independent School District is a public school district based in Sadler, Texas. The first graduating class from S and S was in 1961. The district serves the cities of Sadler and Southmayd as well as rural areas in west central Grayson County, and was formed by consolidation of prior districts in 1961. Though Sadler is the