The Chapada open pit Cu Au mine started in 2007. Mill capacity was recently upgraded to 22Mtpa and production is expected to continue at around this rate until 2031. The Chapada open pit consists of the Chapada Corpo Principal and Corpo Sul areas that come together as a single open pit. The Suruca open pit is a gold only deposit. Production from this pit will start in 2019 producing 400koz/a of gold over five years.