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
This Is What Rock n' Roll Looks Like their real names, Alaina Beaton and Dwayne Carter, Jr. respectively. After being introduced to Lil Wayne's manager, Derrick "EI" Lawrence, by producer RedOne, Porcelain Black stated that she met Lil Wayne in New York City when he heard "This Is What Rock n' Roll Looks Like", where he expressed an interest in adding his vocals to the song. The single cover for "This Is What Rock n' Roll Looks Like" was revealed on March 21, 2011, alongside a snippet of the song. "This Is What Rock n' Roll Looks Like" was released digitally through the United States iTunes Store on