Aires, SílviaNoronha, FernandoCarvalho, Cristina Isabel PauloMoura, A. CasalRamos, João Farinha2013-03-252013-03-252012-07Aires, Sílvia; Noronha, Fernando; Cavalho, Cristina; Moura, A. Casal; Ramos, João Farinha - The example of the quartzite from the "Upper Quartzite Formation", "Trás-os-Montes e Alto Douro" (NE Portugal). Its characterization as natural stone for construction. In: Global Stone Congress 2012, Borba, Portugal, 16-20 Julho 2012http://hdl.handle.net/10400.9/1710engPedra naturalQuartzitosTrás-os-Montes (Portugal)Alto Douro (Portugal)Portugal (Nordeste)The example of the Quartzite from the "Upper Quartzite Formation", "Trás-os-Montes e Alto Douro" (NE Portugal). Its characterization as natural stone for constructionconference object