@article{10272/14051, year = {1993}, url = {http://hdl.handle.net/10272/14051}, abstract = {The subsolidus postmagmatic alteration processes in the granites of the Sierra de Guadarrama produce the transformation and neoformation of the principal and accesory phases. One of these secondary minerals is the bastnaesite-(Ce) wich concentrates the rare earth originated by the allanite and monazite mineral destruction}, publisher = {Sociedad Geológica de España}, title = {Neoformación de fases minerales secundarias ricas en tierras raras en los granitos de la Sierra de Guadarrama: Bastnaesita-(CE)}, title = {Neoformation of REE secundary mineral phases in the granites from the Sierra de Guadarrama: Bastnaesite-(Ce)}, author = {Casillas Fernández, R. and Nagy, G. and Brändle, José Luis and Panto, G. and Forizs, I.}, }