Filtering process for reliable valuation of oxygen fugacity based on in situ zircon Ce and Eu anomalies: the Rio Capivari Complex, Southeast of São Paulo State, case of study - Mello, João Victor Tumenas; Vasconcelos, Thiago Queiroz de Freitas; Maurer, Victor Câmara; Alves, Adriana; Milan, A. (Congresso Brasileiro de Geologia, 2021)