Researchers say they have discovered the mechanism in which gold is brought to the surface from deep underground ... A certain type of sulfur under extreme pressure and temperatures 30 to 50 ...
It investigates the underground extraction from the Bibiani Main and Walsh orebodies, with total reserves of nearly 12 million tonnes grading 2.36 g/t gold. Gold production over an initial seven ...
"No-one has drilled from underground in the historic mine, and what we are hoping is to find a gold vein that hasn't been touched before." Mr Frangeskides said it was a challenge as not all the ...