Rio Tinto agreed to pay $138.75 million to resolve a class-action lawsuit that alleged the company concealed problems during the expansion of a giant copper mine in Mongolia.

His mining project, he said ... After the gold sinks, the water, full of non-gold sediment, will be sent to a settling pond. After the sediment settles out, it can be put back into the hole ...

Mining, with its complex effluent streams and evolving compliance requirements, presents a robust growth vertical for ferric ...

Indonesian Minister of Environment, Hanif Faisol Nurofiq, revealed that the Ministry of Environment has found evidence of ...

The Environment Ministry warned PT Anugerah Surya Pratama, a nickel mining company in Raja Ampat, Southwest Papua, of ...

Thickeners are essential for liquid–solid separation in mining operations, reducing the volume of slurry material sent to the settling pond or tailings storage facilities (TSFs) while recovering ...

During collection of the bulk mining sample, water from the pit will be conveyed to a settling pond and wetland and discharged to an unnamed tributary south of Emily Lake, according to Papini. Papalia ...

The board found the mining operation violated the Colorado ... system to augment the historic water treatment provided by settling ponds. The reclamation board agreed to lift the cease-and-desist ...

This would include testing of historic tailings and digging areas, excavation pits and trenches, exploration test pits, processing areas, and two settling ponds. No blasting is proposed. Denton would ...

The mining operation was shut last June and the operator ... In Wednesday’s statement, the Yukon government says the receiver recently completed construction of a settling pond at the site, which is ...

A settling pond that has been under construction is almost done ... FNNND has asked Canada’s auditor general to audit the Yukon’s mineral regulations and mining industry oversight, particularly the ...

In subsequent years, things have worsened. It also led to the death of village elder Angah Alang, killed in debris downstream when the mine released water from a settling pond into the river. Shaken ...