Peru's lone tin miner posted a strong quarter as rising output and metals prices offset higher costs.
In Brazil, ArcelorMittal saw operations positively impacted by the scope effect of the Votorantim acquisition, but was adversely impacted by a nationwide trucker strike.
With the divestment, the Brazilian steelmaker's asset sales topped US$1bn this year alone.
Copper, Peru's main export earner, posted lower output through the first six months, while gold, silver and lead production also slumped as mine ore grades decline.
Steelmaker sees a decline in Argentine shipments as drought and financial volatility hit demand, with a weaker construction sector, US tariffs and pre-election exchange rate volatility weighing on Mexican markets in Q2.
Companies in Peru, Argentina and Mexico published results from their ongoing exploration campaigns.