Further testwork completed has confirmed that the medium to coarse Kasiya graphite concentrate has met or exceeded the key ...

Rick Ness struggles with crew conflicts, Parker Schnabel fights equipment failures, and Tony Beets races against time to hit ...

Spills of tailings are reported under an ad hoc variety of names, such as fluid fine tailings, mature fine tailings, coarse sand tailings, non-segregated tailings, bitumen slurry, bitumen froth, ...

Of all the things I have learned in the 50-plus years gardening — or trying to garden — in our red clay on East Blythe Street ...

For decades, scientists have dreamed of using tailings as a substitute for natural sand. Tailings are often rich in silicates, the principal component of sand. But to date, the reality has been ...

Every year, the world consumes around 50 billion tonnes of sand, gravel and crushed stone. The astonishing scale of this demand is hard to comprehend – 12.5 million Olympic sized swimming pools ...

Concrete is everywhere – but it requires a great deal of sand and gravel. MVolodymyr/Shutterstock The failings of tailings The metal sulphides, oxides and carbonates which can be turned into ...

Tailings are often rich in silicates, the principal component of sand. But to date, the reality has been disappointing. More than 18,000 research papers have been published on the topic in the ...