Metamorphic rock Metamorphic rock Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock (protolith) is subjected to heat (temperatures greater than 150 to 200 °C) and pressure ( or more), causing profound physical or chemical change. The protolith may be a sedimentary, igneous, or existing metamorphic rock. Metamorphic rocks make up a large part of the Earth's crust and form 12% of the Earth's land surface. They are classified by texture and by chemical and mineral assemblage (metamorphic facies). They may be formed simply by being deep beneath
Sort Sol Sunn O)), Akron Family and Kinski. The plan is to release "Whip Angeles" as a single in April 2014 and hopefully a whole album later this year. Sort Sol will also start their tour on April 12 in Greve, Denmark. Internationally renowned artists who have performed and/or recorded with the group include William S. Burroughs, Lydia Lunch, Link Wray, The Jordanaires, Sune Rose Wagner (of The Raveonettes) and Sissel Kyrkjebø. Sort Sol Sort Sol is a pioneer rock band from Copenhagen, Denmark. The band was formed in 1977 as a punk rock outfit, originally under the name Sods (stylized as