[ad_1] RIO DE JANEIRO, Oct 17 (Reuters) – Brazilian miner Vale (VALE3.SA) said on Tuesday it has created a company that will sell and distribute sand obtained from its iron…
Tag: TAILINGS
Arizona university researchers work to find new uses for copper tailings – Chamber Business News
[ad_1] Researchers at Arizona’s public universities are working with the state mine inspector and the mining community to discover novel ways to use leftover waste rock from copper mining, the…