Archaeological gold mining structures from colonial period present in Guarulhos and Mairiporã, São Paulo State, Brazil - Pérez-Aguilar, Annabel; Juliani, Caetano; Barros, Edson José de; Andrade, Marcio Roberto Magalhães de; Oliveira, Elton Soares de; Braga, D de A.; Santos, Ricardo Oliveira (Geoheritage, 2013)