Drilling confirms high-grade intercepts at Ivanhoe’s DRC project
JOHANNESBURG (miningweekly.com) – Africa-focused Ivanhoe Mines has reported additional, “exceptionally” high-grade zinc, copper and silver drill intercepts in the fifth batch of assay results from the company's underground diamond drilling programme at the Kipushi copper/zinc/germanium/lead and precious metals mine, in the Democratic Republic of Congo's southern Katanga province.
Assay results confirmed that a high-grade zone of zinc mineralisation existed at depth to the south of the historically defined Big Zinc zone, while follow-up drilling confirmed the initial massive sphalerite discovery and suggested a geometry and orientation similar to the Big Zinc zone.
New drilling also established the presence of copper and zinc sulphide zones at depth, significantly below the level of the historical holes drilled by State-owned mining company Gécamines, confirming that the Kipushi mineralising system remained open at depth.
Ivanhoe chairperson Robert Friedland said in a statement on Monday that the underground drilling programme at Kipushi was continuing to deliver “exceptionally” high-grade intercepts in several target areas, while leading to an improved understanding of geology and structural controls on the mineralisation.
"While the world's biggest zinc mine in Australia is winding down operations owing to depletion of its ore, the timing to look at bringing Kipushi back into production couldn't be better.
“Kipushi hosts the richest zinc/copper deposit in the world, with many drill intercepts in the Big Zinc zone recording grades between 40% and 60% zinc,” he announced.
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