TY - JOUR T1 - Oxygen fugacity of Alto Paranaíba kimberlites and diamond instability: Três Ranchos IV and Limeira I intrusions JO - Brazilian Journal of Geology A1 - Coldebella, Bruna A1 - Azzone, Rogério Guitarrari A1 - Chmyz, Luanna A1 - Ruberti, Excelso A1 - Svisero, Darcy P. SN - 2317-4889 UL - 10.1590/2317-4889202020190087 VL - 50 Y1 - 2020 PB - Brazil ER -