ALTERNATIVE Investment Market-listed entity Mwana Africa yesterday announced a 152% increase in the JORC compliant nickel resource at Bindura Nickel Corporation’s Trojan Nickel Mine.
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JORC is a professional code of practice that sets minimum standards for public reporting of mineral exploration results, mineral resources and ore reserves.
Mwana Africa chief executive officer Kalaa Mpinga said: “Bindura Nickel Corporation has successfully and significantly increased the size of the resource at Trojan Nickel Mine.
“The results clearly demonstrate the longevity of the deposit. “The validation of the continuance of the massives has important strategic benefits in terms of mine planning and will contribute to an improving head grade at Trojan.
“These results follow the impressive progress made underground and on the surface plant rehabilitation programme and confirms our belief in the restart of operations at Trojan and bodes well for the future of BNC.”
The total nickel resource for the Trojan Nickel Mine is now 114 952 tonnes compared to 45 600 tonnes previously.
The overall resource grade was said to have increased from 1,29% to 1,51%.
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In a trading update, Mwana Africa said the additional JORC resource below 37 level was based on 27 diamond drill holes with a total of 9,403m drilled as part of the first phase of an underground drilling programme aimed at proving the down dip extension of the Trojan resource below the lowest current mining level (37 level).
According to Mwana, drilling to date extends the known ore body by approximately 300m down dip and mineralisation remains open at depth.
Based on the drilling results and geological interpretation, a 3-D electronic block model of the different parts of the ore body was created and the grades of each block were estimated using Ordinary Kriging.
Ordinary kriging is a geostatistical approach to modelling.
