TSX-listed Ivanhoe Mines says it is making “excellent progress” on the construction of the Stage 1 six-million-tonne-a-year Kamoa-Kakula copper mine, in the Democratic Republic of the Congo (DRC). After China-based Citic Metal agreed to invest an additional $459-million in Ivanhoe, the pace of underground development has accelerated and is nearing initial high-grade ore.