Geochemical characterization of the largest upland lake of the Brazilian Amazonia: impact of provenance and processes - Sahoo, Prafulla Kumar; Guimarães, José Tasso Felix; Souza Filho, Pedro Walfir M; Silva, Marcio Sousa da; Nascimento Júnior, Wilson; Powell, Mike A; Reis, Luiza; Pessenda, Luiz Carlos Ruiz; Rodrigues, Tarcísio Magevski; Silva, Delmo Fonseca da; Costa, Vladimir Eliodoro (Journal of South American Earth Sciences, 2017)