Determining sedimentary material sources in a Brazilian urban lake using Zn stable isotope compositions of bottom sediments: a preliminary study - Araújo, Daniel Ferreira; Boaventura, Geraldo Resende; Mulholland, Daniel; Garnier, Jeremie; Machado, Wilson; Babinski, Marly; Dantas, Elton Luiz (Geochimica Brasiliensis, 2020)