Arca is trialling with BHP the use of mining tailings to absorb greenhouse gases which could remove ‘gigatonnes’ of carbon ..

Buchanan — Grand Bassa County is on the brink of an economic breakthrough as Senator Gbehzohngar Findley announced a near-finalized deal to develop the region's Iron Ore Tailings in Barconie ...

Northern Iron’s project involves the recovery of magnetite - a form of iron ore - from the reprocessing of tailings at the historic Warrego mine site about 50km northwest of the town.

Vale produced 177.5mt of iron ore in Carajas, accounting for more than half of its total output. The company expects iron ore ...

Arca – founded by University of British Columbia researchers – uses mining tailings to absorb greenhouse ... and forms new solid minerals – the iron oxide that we see as rust,” Mr Needham ...

An international institute that seeks to improve the safety of reservoirs that store toxic waste from mining known as tailings kicked off Tuesday, six years after the collapse of a dam owned by ...