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
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