Igneous rock the partial melting of rocks within the mantle and crust. Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by the cooling of molten magma on the earth's surface. The magma, which is brought to the surface through fissures or volcanic eruptions, solidifies at a faster rate. Hence such rocks are smooth, crystalline and fine-grained. Basalt is a common extrusive igneous rock and forms lava flows, lava sheets and lava plateaus. Some kinds of basalt solidify to form long polygonal columns. The Giant's Causeway in Antrim, Northern Ireland is an example. The molten rock, with
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