Riacho dos Machados is an open pit gold mine in Minas Gerais State Brazil. It compromises a Carbon in Leach (CIL) and Adsorption Desorption and Recovery (ADR) process plant with 3Mt/a capacity. It reached commercial production Q4 2014. Yamana Gold acquired the asset in April 2016 through Brio Gold. Brio Gold was listed on the Toronto Stock Exchange in December 2016 with Yamana holding an 85% stake in the company.