Igneous rock (derived from the Latin word ignis meaning fire) is one of the three main rock types, the others being sedimentary and metamorphic rock. Igneous rock is formed through the cooling and solidification of magma or lava. Igneous rock may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks. This magma can be derived from partial melts of pre-existing rocks in either a planet's mantle or crust. Typically, the me..
Marvel Masterpieces is the name of several subsequent sets of trading cards, printed during 1992-2008, depicting characters and events from Marvel Comics. Featuring large, vividly drawn card fronts and backs detailing trivia, each card showcased a different personality from Marvel's body of work.
