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1.- (SUPER 40) AR/ (SUPER 39) AR AND K-AR GEOCHRONOLOGICAL EVIDENCE FOR TWO PERIODS ( APPROXIMATELY 2 GA AND 650 TO 500 MA) OF EMERALD FORMATION IN BRAZIL WINSTON & SON; SILVER SPRING, MD; USA; UNITED STATES, 1997 Ver registro
2.- AGES K-AR ET (SUPER 40) AR/ (SUPER 39) AR DES GISEMENTS D'EMERAUDE DU BRESIL ;K-AR AND (SUPER 40) AR/ (SUPER 39) AR AGES OF EMERALD DEPOSITS OF BRAZIL SOCIETE GEOLOGIQUE DE FRANCE; PARIS; FRA; FRANCE, 1996 16 (SUPER EME) REUNION DES SCIENCES DE LA TERRE; DYNAMIQUE ET ECONOMIE DE LA TERRE ;16TH EARTH SCIENCES MEETING; DYNAMICS AND ECONOMY OF THE EARTH Ver registro
3.- HYDROTHERMAL FLUIDS IN THE CARNAIBA EMERALD DEPOSIT; BAHIA, BRAZIL [INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2000 BRAZIL 2000; 31ST INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACTS VOLUME Ver registro
4.- IGARAPE BAHIA GOLD MINE (CARAJAS, BRAZIL); FLUIDS AND THE ALTERATION IN A METAGABBRO AND QUARTZ VEIN FORMATION [INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2000 BRAZIL 2000; 31ST INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACTS VOLUME Ver registro
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