SLIDESHOW: Chile turns world’s largest open pit copper mine into an underground operation Cecilia Jamasmie | November 6, 2013 | 6:23 pm Chuquicamata underground expansion work. Share Comments Cancel replyYour email address will not be published. Required fields are marked * Save my name, email, and website in this browser for the next time I comment. Δ No comments found. More News Foreign buyers fuel illegal mineral trade in Nigeria, watchdogs warn Foreign buyers exert disproportionate influence over pricing, purchasing arrangements and export channels, the report alleged. May 15, 2026 | 07:16 am {{ commodity.name }} {{ post.title }} {{ post.excerpt }} {{ post.date }} First < {{ page }} > Last
Foreign buyers fuel illegal mineral trade in Nigeria, watchdogs warn Foreign buyers exert disproportionate influence over pricing, purchasing arrangements and export channels, the report alleged. May 15, 2026 | 07:16 am
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