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
The King of Rock 'n' Roll: The Complete 50's Masters are not of professional sound quality; these are marked with an asterisk." The King of Rock 'n' Roll: The Complete 50's Masters The King of Rock 'n' Roll: The Complete 50's Masters is a five-disc box set compilation of the complete known studio master recordings by American singer and musician Elvis Presley during the decade of the 1950s. Issued in 1992 by RCA Records, catalog number 66050-2, it was soon followed by similar box sets covering Presley's musical output and . This set's initial long-box release included a set of collectible stamps duplicating the record jackets from every Presley LP