The project is located in an area where Eike Batista's MMX conducted exploration in the 2000s.
The former Brazilian magnate, accused of paying bribes, was placed under house arrest on May 1 after a supreme court decision.
Mario Pereira had been serving in an interim capacity since October.
The latest news from junior mining companies operating across Latin America.
Three Canadian exploration companies provide updates on their projects.
AngloGold Ashanti puts construction plans on hold after a local community voted to ban mining in the area over environmental concerns.
Exploration and capital spending projects will boost mine life at Agnico Eagle Mines' trio of Mexican gold operations, CEO Sean Boyd says.