1.- ALTERATION HYDROTHERMALE DES MONAZITES-(CE) DES PEGMATITES DU DISTRICT DE SANTA MARIA DE ITABIRA (MINAS GERAIS, BRESIL) ;HYDROTHERMAL ALTERATION OF MONAZITE-(CE) FROM THE SANTA MARIA DE ITABIRA PEGMATITE DISTRICT (MINAS GERAIS, BRAZIL) GAUTHIER-VILLARS; MONTROUGE; FRA; FRANCE, 1998 Ver registro 2.- CHEMISTRY OF TOURMALINES IN SOME PEGMATITES OF SAO JOSE DA SAFIRA AREA, MINAS GERAIS, BRASIL CESKA GEOLOGICKA SPOLECNOST PRI AV CR; PRAGUE; CZE; CZECH REPUBLIC, 1998 TOURMALINE 1997, INTERNATIONAL SYMPOSIUM ON TOURMALINE Ver registro 3.- GEOCHEMICAL EVOLUTION OF PYROCHORE DURING SUPERGENE ALTERATION OF CATALAO II ORE DEPOSITS PERGAMON; OXFORD; GBR; UNITED KINGDOM, 2001 CARBONATITE WORKSHOP, 2000; ABSTRACTS OF PRESENTATIONS AND POSTERS Ver registro 4.- IRON SPECIATION IN WEATHERED PYROCHLORES BY (SUPER 57) FE MOESSBAUER SPECTROSCOPY PERGAMON; OXFORD; GBR; UNITED KINGDOM, 2001 CARBONATITE WORKSHOP, 2000; ABSTRACTS OF PRESENTATIONS AND POSTERS Ver registro
