Refractory gold ores present significant challenges to conventional extraction methods. In these ores, gold is tightly encapsulated within sulphide minerals or locked by carbonaceous matter, thereby ...

Scientists at Australia’s national science agency, CSIRO, have developed a new process designed to improve gold recovery and recycle toxic cyanide used in mining. The method, called ‘Sustainable Gold ...

Across Africa, from Mali to Tanzania to Zimbabwe, millions of people, including children, work in small gold mines. Artisanal and small-scale gold mining is a vital source of income, but it is also ...

Humble fragments of clay crucibles and coin molds flecked with gold excavated by a joint team of British and Malian archaeologists in 2005 led archaeologist Sam Nixon, in consultation with Thilo ...

Everest Metals Corporation Limited (AU:EMC) has released an update. Everest Metals Corporation is set to begin gold processing at its Revere Gold and Base Metal Project in Western Australia, with the ...

Finnish researchers discovered tiny gold nanoparticles within Norway spruce needles, a process seemingly driven by microbes. Specific bacteria, living in biofilms inside the needles, transform soluble ...

LUSAKA (Reuters) - Zambia has built 10 milling plants to process gold in a drive to formalise artisanal and small-scale miners and diversify from copper mining, state mining investment company ZCCM-IH ...

Mercury is a shiny liquid metal whose largest use globally is small-scale gold mining; other areas of use include manufacturing and industrial processes. But mercury is toxic. It attacks the nervous ...

The UN estimated that some three-fourths of all e-waste didn't enter recycling streams, leaving an estimated $62 billion in ...