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
Now That's What I Call Rock of "Now" features contemporary pop acts with rock roots and takes a "big-tent" approach to the genre. Cliff Chenfeld, co-owner of the Razor & Tie and a consultant for "Now That’s What I Call Rock", feels "most music listeners are pretty open" and this release "is a means of introducing some of those bands to that broader audience who I think would embrace it." The compilers of the set wanted to avoid defining what rock music is in 2016, but instead tried to give what people think it is, "as opposed to using a term for rock that might have