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
From Me Flows What You Call Time on the internet in five years' time. Would I be ashamed of people reading it now?" Remarking on the process of writing the book, Mitchell said he didn't have to worry about copyright; "I can quote a Beatles song if I want to." From Me Flows What You Call Time From Me Flows What You Call Time is a 90-page novella by David Mitchell completed in 2016 and not to be published until 2114. It is part of a series by artist Katie Paterson called Future Library project calling for contributions from popular writers for novels to be published in