Metamorphic rock the foliation is called "gneissosity"), granoblastic (includes granulite, some marbles and quartzite), and hornfelsic (includes hornfels and skarn). 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
Rock music in Greece of the modern Greek rock as it is known today and this thanks to a bands from Thessaloniki: Trypes with their first album and two years later in 1987 a trio-band called Mora Sti Fotia - Μωρά στη Φωτιά (Babies on Fire), [veria]whose name was inspired by the song's title "Baby's on Fire" by Brian Eno. The band plays a combination of new wave, punk, soft and hard rock). One of the legendary bands of that era was En Plo (Εν Πλώ – loosely translated as “En route via a ship”). En Plo, got together in Athens in 1985 by