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Ardea Resources Ltd.
Summary
| Project: | KNP | |
|---|---|---|
| Deposit: | KNP | |
| Location: | Australia | |
| Commodities: | Cobalt-Nickel-Scandium-Chromium | |
| Date: | 8/7/2017 | |
| Report Code: | JORC | |
| Report Type: | Resource Estimation | |
| Project Stage: | Pursuing Pre-Feasibility Study | |
| Report details: | 7-8-2017: Ardea Resources Ltd. announces a Resource Estimation report for its KNP deposit at the KNP project. Remodelling of historic data leads to an increase in the KNP project resource. Ardea Resources Limited (ASX: ARL, “Ardea” or “the Company”) is pl | |
| Resources: | (Resource, Total): 773.0Mt @ 0.70% Ni, 0.05% Co at KNP | |
| CP/QP: | [Resources]: Ian Buchhorn (Internal) | |
| ABSTRACT: | Ardea Resources Limited (ASX: ARL, “Ardea” or “the Company”) is pleased to announce that ongoing metallurgical test work on the KNP Cobalt Zone and the Lewis Ponds pre-feasibility studies drill results have been received for the recent diamond drilling programs at Goongarrie South (Figure 1) and Lewis Ponds. At Goongarrie South, high-grade cobalt and nickel mineralisation was confirmed, and the drilling highlighted potentially significant occurrences of scandium. The purpose of these drill holes was to sample mineralisation that is representative of future mining activities. These samples are being used for the metallurgical test work that is a major part of the Pre-Feasibility Study (PFS) for the KNP Cobalt Zone. This test work is now defining the mechanisms for recovering cobalt and nickel from the various deposits that constitute the Cobalt Zone. Metallurgical test work on the core drilled at Goongarrie South in May this year is proceeding well. Leach test work is ongoing, with metal extractions in excess of 90 % having been recorded for all payable metals, namely cobalt, nickel, and scandium. High purity alumina and chromium extraction for KNP mineralisation is yet to be evaluated. Keeping in mind that these are laboratory scale results, these atmospheric acid leach efficiencies exceed those usually associated with HPAL flow sheets. This is extremely encouraging and will require industrialscale testing at the Bankable Feasibility Study stage. HPAL tests will continue to be undertaken for direct comparison to historic test work and to ensure that all appropriate options are assessed. | |
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