"Eight workers missing at Trevali’s Perkoa mine in Burkina Faso as flooding suspends operations", 18 April 2022

Eight workers from Trevali Mining’s Perkoa zinc mine in Burkina Faso are missing as flooding caused by heavy rainfall in Burkina Faso over the weekend disrupted operations, the company said. The mine was evacuated, and rescue efforts are ongoing with support from the government, local communities and other mining companies in the area...

“We are deeply saddened by this unexpected event,” the company’s CEO Ricus Grimbeek said in a press release on April 18. “Our immediate focus is on search and rescue. We will provide further updates as the situation unfolds and we determine the cause of the flooding event. Our thoughts are with the family, friends, and colleagues that have been impacted.”...

“While it is difficult to know the extent of the flooding, potential damage, necessary remediation, as well as a timeline for an appropriate investigation, at this time, we have assumed the Perkoa mine is closed for 30 days,” BMO analyst Rene Cartier wrote in a research note to clients. “Perkoa is estimated as over 50% of Trevali’s payable zinc production. Added costs and Perkoa not producing could potentially extend pressures.”...

A Mckinsey report published in 2020 stated that flooding from extreme rains could cause mine closures, a rise in unsafe water levels in tailing dams and affect commodities like iron ore and zinc due to their location. These metals are the most exposed to extremely high flood occurrence at 50% and 40% of global volume, respectively.