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Nexa Resources S.A.
Summary
| Project: | Aripuana | |
|---|---|---|
| Deposit: | Aripuana | |
| Location: | Brazil | |
| Commodities: | Zinc-Lead-Copper-Silver-Gold | |
| Date: | 10/19/2018 | |
| Report Code: | NI43-101 | |
| Report Type: | Feasibility Study | |
| Project Stage: | Pursuing Environmental Approval | |
| Report details: | 19-10-2018: Nexa Resources S.A. announces a Feasibility Study report for its Aripuana deposit at the Aripuana project. Feasibility Study results incl. post-tax NPV of US $129M (9%), IRR of 15.8%, Initial reserve estimate. Roscoe Postle Associates Inc. (RP | |
| Resources: | (Reserve, P+P): 26.179Mt @ 3.7% Zn, 1.4% Pb, 0.2% Cu. 0.3g/t Au, 34.3g/t Ag | |
| CP/QP: | [Resources]: Sean Horan (Roscoe Postle Associates Inc.) | |
| ABSTRACT: | Roscoe Postle Associates Inc. (RPA) was retained by Nexa Resources SA (Nexa) to prepare an independent Technical Report on the Aripuanã Zinc Project (the Project), located in the state of Mato Grosso, Brazil. The purpose of this report is to audit a Mineral Resource estimate and to disclose the results of a Feasibility Study (FS) on the Project. This Technical Report conforms to NI 43-101 Standards of Disclosure for Mineral Projects. RPA visited the property on June 2 and 5, 2017 and January 30 to February 2, 2017. The Aripuanã Zinc property is owned by Mineração Dardanelos Ltda. (Dardanelos), a joint venture between Nexa (70%), and Mineração Rio Aripuanã (a subsidiary of Karmin Exploration Inc. (Karmin, 30%)), with Nexa acting as the operator. To date, the focus of exploration activities on the property has been the Arex, Link, and Ambrex deposits, which contain the current Mineral Resources and Mineral Reserves. CONCLUSIONS Work on the Project is of sufficient detail to support a FS. Considering the Project on a standalone basis, the undiscounted after-tax cash flow totals US$494 million over the mine life of 13 years, and simple payback occurs 4.6 years from start of production. The after-tax Net Present Value (NPV) at a 9% discount rate is $129 million (based on mid-period discounting), and the Internal Rate of Return (IRR) is 15.8%. Based on a good track record of upgrading Inferred Resources, there is excellent potential for additional mine life of at least six years. | |
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