The Peruvian miner is preparing a new wave of zinc-lead-silver projects as ageing underground deposits deplete.
Vale's dam tragedy in Minas Gerais state left 200 people dead and over 100 remain missing.
US trade representative Robert Lighthizer says he is working hard to reach an agreement with Mexico and Canada that will exclude them from 25% duties on steel.
The Canadian company axes plans to restart active mining at the San Francisco gold operation due to a lack of funds.
Three Canadian companies issue asset acquisition and financing updates relating to uranium, lithium and silver projects in Peru and Mexico.
All mining ceased when the work stoppage began late on March 8, 2019 and processing activities have now been discontinued with the exhaustion of surface stockpiles.