Chalcopyrite, the principal copper-bearing mineral in many porphyry deposits, has long presented a challenge to metallurgists owing to the formation of a passivating sulphur layer that retards metal ...

At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, scientists with the mining technology startup Still Bright are using a ...

SANTIAGO, Chile--(BUSINESS WIRE)--Ceibo, an advanced copper extraction technology company, today announced it has raised a $30 million Series B financing. The round was led by Energy Impact Partners, ...