The accompanying analysis covers the Ernesto, Lavrinha and Pau-a-Pique detachment-style gold deposits. The Ernesto deposit and the Pau-a-Pique are extracted by underground mining methods. The Lavrinha deposit is mined by conventional open pit method. The 3ktpd processing plant is located between the Ernesto and the Pau-a-Pique deposits. The process includes crushing, grinding, gravity-gold recovery circuit, CIL recovery circuit and cyanide detoxification stages. The final product is gold dore.