The disaster near the small town of Brumadinho in southeastern Brazil occurred shortly after midday on 25 January 2019. At a nearby iron ore mine, the tailings dam—a storage area for the sludgy, ...

An internal report by Brazil-based diversified miner Vale has pointed to heavy seasonal rain, poor drainage and a brittle wall structure as key factors in the catastrophic Brumadinho tailings dam ...

Tailings are a sand-like byproduct of mining that results from crushing the ore before mineral extraction. Often, tailings are disposed of in dams built with tailings themselves, or with other mine ...

Even as Brazil’s newly seated Bolsonaro administration calls for the gutting of environmental licensing rules and for other environmental deregulation, a January collapse of a Vale Mining tailings ...

Brazilian rescue workers continue searching for more than 300 people missing after a dam burst at an iron ore mine over the weekend. The dam, which ruptured on Jan. 25 close to the Brazilian town of ...