Slate industry in Spain Slate industry in Spain 90% of Europes's natural slate used for roofing originates from the slate industry in Spain, with the region of Galicia being the primary source of production. Slate is a fine-grained metamorphic rock that splits into thin, smooth-surfaced layers. Metamorphic rock is rock which was once igneous or sedimentary and has been subsequently subjected to heat and pressure in varying degrees thereby altering its composition, structure and appearance. It is used extensively in the building industry, particularly for roofing tiles. The production of slate is estimated at 4 million tons per year. Galicia is situated on the
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