JOHANNESBURG (miningweekly.com) – Vertical and horizontal displacement is continuing at the Nchanga Open Pit Cut 2 in Chingola in Zambia, where geo-technical assessments point to an imminent collapse ...
No government agency publishes information about the number of open-pit mines domestically or globally. Nor is there a reliable public source of information about the dollar size of the open-pit ...
TUCSON, Ariz. (AP) — A reclamation plan for a proposed new copper open-pit mine’s site on the western slope of the Santa Rita Mountains south of Tucson has received state approval over opponents’ ...
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