Modern Mining

TSX-listed Ivanhoe Mines has announced that exploration hole DD1450 drilled at the Kamoa North prospect area, on the 397 km2 Kamoa-Kakula mining licence, has intersected 13,05 % copper over 22,3 m (true thickness), at a 2 % copper cut-off grade, in a remarkably-thick, flat-lying, ultra-high-grade deposit beginning at a depth of only 190 m below surface.

Drill hole DD1450 includes multiple, one-metre intersections with copper grades higher than 20 % copper, including a 40 %-copper intercept.

The new drill hole, DD1450, is located approximately 18 km north of the Kamoa-Kakula project’s planned initial mine at the Kakula deposit and approximately 8 km north of Kamoa’s Kansoko mine development. DD1450 is one of 22 recently-drilled holes at Kamoa North.

“DD1450 exceeds anything previously encountered in all of our years of delineating resources on the project,” commented Robert Friedland, Co-Chairman of Ivanhoe Mines. “The flat-lying, 10 % copper intersection in hole DD1450 is almost 30 metres, or 100-feet thick – essentially equivalent to a 10-storey building – and the high-grade copper is less than 200 metres below surface. If we apply a 5 % copper cut-off to the intersection, the grade increases to approximately 16 % copper and it’s still almost 17 metres thick, or approximately 56 feet.

“Hole DD1450 is three times richer on a copper-grade-times-thickness measurement than any previous hole drilled at Kamoa-Kakula. Now our immediate exploration focus is to find more of this near-surface, bonanza-grade ore.”

Close-spaced drilling is underway in the vicinity of DD1450 with the intention of better understanding the controls and the orientation of the ultra-high-grade zone.

Initial indications suggest growth faulting in the proximity of DD1450 may have played a part in enhancing fluid flow during the mineralising process. The exceptional grade and thickness of the intersection means that even a zone of limited dimensions could prove extremely significant if targeted early from a future Kamoa North decline.

The tier-one Kamoa-Kakula project is approximately 25 km west of the mining centre of Kolwezi in the DRC. The project is a joint venture between Ivanhoe Mines, Zijin Mining and the DRC government.

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Title: Editor
Name: Arthur Tassell
Email: mining@crown.co.za
Phone: +27 11 622-4770
Fax: +27 11 615-6108

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Name: Bennie Venter
Email: benniev@crown.co.za
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