The researchers of CARTIF<\/a> Pedro Acebes and Jorge Calvo, together with the researchers at the Facultad de Ciencias de la Universidad de Oporto (FCUP<\/a>) Fernando Noronha and Luis Lima, who are part of the team of the ESMIMET<\/a> project, visited on Monday, May 13, the tungsten mines of Borralha in the municipality of Montalegre (Vila Real, Portugal).<\/p>\n