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
Japanese name name (such as the name of a province, a river, or a sea), the name of a weapon, an item identified with Japanese tradition (like a koto or nishiki), or a term indicating superiority. Often, "waka" indicates a wrestler whose father was also in sumo; in this case, the meaning is "junior". Wrestlers can change their shikona, as Takahanada did when he became Takanohana () and then Takanohana (). Another notable example is the wrestler Sentoryu, which means "fighting war dragon" but is also homophonous with St. Louis, his city of origin. Geisha and practitioners of traditional crafts and arts