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 B-52's The B-52's The B-52s (styled as The B-52's prior to 2008) is an American new wave band, formed in Athens, Georgia, in 1976. The original line-up consisted of Fred Schneider (vocals), Kate Pierson (vocals, keyboards), Cindy Wilson (vocals, percussion), Ricky Wilson (lead guitar), and Keith Strickland (drums, rhythm guitar, keyboards). After Ricky Wilson's death from AIDS-related illness in 1985, Strickland switched from drums to lead guitar. The band also added touring members for albums and live performances. Drawing from retro 1950s and 1960s pop sources, trash culture, and rock and roll, the group evidenced a “thrift shop" aesthetic. The "guy