We're after pure gold, but rock ... large natural cinnabar deposits, there wasn't any around where we were based). The bad news was that it was pretty low-grade stuff. Good cinnabar ore has ...

How the World’s Richest Iron Ore Deposit Was Formed The sheer scale of theHamersley deposit is forcing geologists to rethink the natural processes ... in ancient rocks. The results confirmed ...

By Jason Mitchell Once defined by war and blood diamonds, Sierra Leone is now looking to turn its rich but underdeveloped ...

Study on the Height of Water-Conducting Fracture Zone of Overburden Rock in Filling Mining of Gold Mine ...

At 2.5 billion years old and weighing in at 2.5 tonnes, the banded iron formation is so heavy that Museum engineers had to reinforce the floor underneath it in Hintze Hall. 'The rock tells a ...

Rising production coupled with a rising price has reinvigorated Australian gold which has reclaimed ... thermal coal to sit behind iron ore, liquefied natural gas (LNG) and steel-making coal.