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..
Nokia Corporation () (, , ) is a Finnish multinational communications corporation headquartered in Keilaniemi, Espoo, a city neighbouring Helsinki. Its principal products are mobile electronic devices, primarily and other communications devices. It also offers Internet services such as applications, games, music, maps, media and messaging through its Ovi platform, and free-of-charge digital map information and navigation services through its wholly owned subsidiary Navteq. Nokia has a joint venture with Si..
