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
Nick Cave and the Bad Seeds Nick Cave and the Bad Seeds Nick Cave & The Bad Seeds are an Australian rock band formed in Melbourne in 1983 by vocalist Nick Cave, multi-instrumentalist Mick Harvey and guitarist Blixa Bargeld. The band has featured international personnel throughout its career and presently consists of Cave, violinist and multi-instrumentalist Warren Ellis, bassist Martyn P. Casey (all from Australia), guitarist George Vjestica (United Kingdom), keyboardist/percussionist Toby Dammit (United States) and drummers Thomas Wydler (Switzerland) and Jim Sclavunos (United States). The band has released sixteen studio albums and completed numerous international tours, and has been considered "one of the most original