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OZ Minerals Ltd.
Summary
| Project: | West Musgrave | |
|---|---|---|
| Deposit: | Nebo, Babel | |
| Location: | Australia | |
| Commodities: | Copper-Nickel-Cobalt-PGM | |
| Date: | 4/12/2019 | |
| Report Code: | JORC | |
| Report Type: | Resource Estimation | |
| Project Stage: | Pursuing Pre-Feasibility Study | |
| Report details: | 12-4-2019: OZ Minerals Ltd. announces a Resource Estimation report for its Nebo, Babel deposit at the West Musgrave project. Updated mineral resource estimate at the project. The previous estimate for the Nebo-Babel deposits was conducted in 2017 by Golde | |
| Resources: | (Resource, I+I): 238Mt @ 0.35% Ni, 0.38% Cu, 0.06ppm Au, 129ppm Co, 0.10ppm Pd, 0.09ppm Pt | |
| CP/QP: | [Resources]: Mark Burdett (Internal) | |
| ABSTRACT: | The previous estimate for the Nebo-Babel deposits was conducted in 2017 by Golder Associates Pty Ltd3 . The 2019 update included holes drilled in 2018 consisting of 73 diamond holes (DD) and 263 Reverse Circulation holes (RC) drilled across both deposits. Drilling has continued and a data cut-off at 14th of December 2018 was utilised for the estimate. The 2019 and 2017 Babel estimates compared very closely at a range of cut-offs. For Nebo, the current estimate has a minor decrease in estimated Ni and Cu grades at the reportable cut-off, and less tonnes at higher cut-off grades. This is due to the impact of recent infill drilling, in particular on the Massive Sulphide zones, and the subsequent domaining and estimation rationale used on this mineralisation type. Approximately 30 Mt tonnes of Inferred Resources have been converted to Indicated, due to infill drilling, however overall tonnes have dropped for both deposits (15% overall) due to the previous Mineral Resource being reported by a Relative Level (RL) restriction as opposed to a NSR generated pit shell used for reporting this estimate. Furthermore, based on recent metallurgical studies, oxide mineralisation has not been reported in 2019, but was reported combined with sulphide mineralisation in 2017. | |
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