Ore veins are followed into the rock using a series of tunnels or ... via a roasting process similar to that used for lead, and results in zinc oxide and more sulfur dioxide: Originally, the ...

Research funded by the Xplor programme included mapping and sampling 655 rock chip samples across 99 mafic sills at Broken ...

Velocity Minerals Ltd. (TSXV: VLC) (OTCQB: VLCJF) ("Velocity" or the "Company") provides an update on project generation work in northern Greece. The Company has been active in Greece for ...

Zambia’s government is facilitating new hazardous lead and zinc mining and processing of the toxic waste, posing major additional health risks to children. The Zambian government should suspend ...