Artisanal miners use mercury because it is simple. When mercury is mixed with ore, it binds with the gold, creating an ...

For eight years a Chinese mining company has been vastly expanding inside an endangered World Heritage Site, accused by ...

Selecting mining machines requires an analysis of product capabilities and application requirements. Tunnel boring machines (TBM), or moles, are used to excavate tunnels. They produce a circular cross ...

For anyone interested in Colorado's colorful mining past and the industrial-age machines that helped mining ... Close by are all sorts of gold-mining equipment. Stand at the long trough of brackish ...

Since they rarely have to be moved off the mining site, their size and weight are not critical unlike normal construction equipment. Typically, road and building construction rigs will have to be ...

Global gold prices are surging ... to mean those that operate outside of the industrial mining framework, either with some ...

NPCA President and CEO Theresa Pierno See more › But recently, this idyllic view was threatened by industrial-scale gold mines with heavy equipment and mining trucks lumbering down dirt roads. It’s ...