Lupaka Gold Corp.
Lupaka Announces Positive PEA for Invicta with Average Annual Pre-Tax Cash Flow of US$10.2 Million
DGAP-News: Lupaka Gold Corp. / Key word(s): Miscellaneous Vancouver, British Columbia–(Newsfile Corp. – March 1, 2018) – Lupaka Gold Corp. (TSXV: LPK) (FSE: LQP) (‘Lupaka Gold‘ or the ‘Company‘) today announced the results of the Preliminary Economic Assessment (‘PEA’) prepared pursuant to National Instrument 43-101 (NI 43-101) on the Company’s 100% owned Invicta Gold Development Project (‘Invicta Project’ or ‘Invicta’), located 120km north of Lima, Peru. All values are in US dollars unless otherwise indicated. Invicta Project PEA Highlights:
* Au-Eq. calculations in the PEA are based on $1300 Au, $16.75 Ag, $3.00 Cu, $1.25 Zn, and $1.05 Pb ‘We are highly encouraged by the robust economics contained in the PEA, which considers only a small portion of the total resource adjacent to Invicta’s existing infrastructure. A combination of the high-grade 6-year initial mine plan and the relatively low capital start-up costs results in immediate meaningful cash flows. The PEA demonstrates the viability of the project and provides us with confidence to reinvest cash flow into the project, in order to realize its full potential. As we initiate the operational plan outlined in the PEA, our next steps will include increasing the resource confidence level, expanding the resource base, and evaluating opportunities for the Company to acquire or develop its own processing plant.’ Will Ansley, President and CEO of Lupaka Project Background Lupaka’s Invicta Gold Project is a polymetallic development project located approximately 120 kilometres north of Lima, Peru. A Preliminary Economic Assessment (PEA) has been undertaken on the project to evaluate the economic viability of the underground extraction of Indicated and Inferred Mineral Resources from the Atenea Vein close to the existing 3,400 Level adit (up to 130 metres above the 3400 Level) utilizing a sub-level long hole open stoping mining method supported by initial toll treatment processing options. The PEA considers only part of the reported Mineral Resource (the Atenea Vein close to existing infrastructure) with the objective of generating a positive cash flow from a low-cost operation while simultaneously re-investing in and further evaluating the deposit to potentially expand production in future. The PEA has been undertaken by a multi-disciplinary team of independent consultants from SRK Consulting (Peru) Inc., SRK Consulting (Canada) Inc. and Transmin Metallurgical Consultants in collaboration with Lupaka. The PEA is preliminary in nature and includes Inferred Mineral Resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as Mineral Reserves, and there is no certainty that the PEA will be realized. Geology / Mineral Resources The generation of the geology and mineral resource model was undertaken by SRK Consulting (U.S.), Inc. in 2012 considering 112 core boreholes drilled by previous operator Pangea Peru S.A. during the period of 1997 to 1998, 53 core boreholes drilled by Invicta Mining Corporation S.A.C.(Invicta) between 2006 and 2008 and 10 underground channels between 2007 and 2008. Mesothermal to Epithermal gold mineralization has been modeled within seven quartz-hosted wireframes at the Invicta Project. The mineral resource model is a geostatistically-based block model constrained by geological wireframes, documented in a technical report filed by previous owner, Andean American Gold Corporation, in April 2012. No additional exploration data has been acquired on the project since the generation of the model in 2012. The Mineral Resource Statement which forms the basis of the PEA was reviewed by SRK Consulting (Peru) S.A., and was found to fairly reflect the informing data and the geological interpretation at the time of modeling. The Mineral Resource Statement has been re-stated to reflect current metal prices and costs. The Mineral Resource Statement for the Invicta Project is tabulated in Table 1, reported to a cut-off grade of 3.0 g/t Au-Eq. Cut-off grades are based on a price of US$1,250 per ounce of gold, US$17.00 per ounce of silver, US$3.00 per pound of copper, US$1.05 per pound of lead and US$1.20 per pound of zinc. The equivalent gold calculation assumes mill recoveries of 85 percent for gold, 80 percent for silver, 82 percent for copper and lead and 77 percent for zinc. This Mineral Resource Statement differs from that previously reported in 2012, primarily due to the reduction of metallurgical recovery assumptions, an increase in gold equivalent cut-off grade from 1.3 g/t to 3.0 g/t, and revisions to metal price assumptions. Table 1: Mineral Resource Statement*, Invicta Project, Huaura Province, Peru, SRK Consulting (Peru) S.A., February 28, 2018
* Mineral resources are not mineral reserves and do not have demonstrated economic viability. All figures are rounded to reflect the relative accuracy of the estimate. All composites have been capped where appropriate. Grade Sensitivity Analysis The Mineral Resources of the Invicta Project are sensitive to the selection of the reporting cut-off grade. To illustrate this sensitivity, the global block model quantities and grades are presented in Table 2. Table 2: Global Block Model Quantities and Grade Estimates*, Invicta Project at Various Cut-off Grades
Mining and Processing The PEA operating plan is based on the underground extraction of Indicated and Inferred Mineral Resources from the Atenea vein close to the existing 3,400 Level adit (up to 130 metres above the 3400 Level) utilizing a sub-level long hole open stoping mining method, with waste rock as backfill where possible. Utilizing in part existing historic mine development, the main extraction level will be on the 3400 Level with surface access via the adit. A secondary ramp from surface will develop drilling horizon sub-levels spaced 15m to 30m. Long hole drilling and blasting techniques will be used. The blasted material will be mucked from the extraction level by 4 yd3 LHD’s where it will then be dumped directly into 30 tonne haulage trucks. The trucks will then transport the material from the adit to an off-site mill processing facility. The 130m high, 40 m long, 4m to 12m wide stopes will be separated by rib pillars and filled with available waste rock from mine development waste. Production as outlined by the PEA considers an average peak steady state rate of approximately 350 tonnes per day. The initial 6-year mine life commencing in 2018 is expected to produce a total of 669,813 tonnes of mineralized material inclusive of a 11% external dilution with an 83% mine recovery (Table 3). Table 3: Summary of PEA Production Schedule and Grades
Results of metallurgical tests indicate that conventional flotation technology can be used to treat the mineral resources from Invicta. The flowsheet includes crushing, a coarse primary grind, bulk lead, copper, gold and silver flotation, flotation of a Zn concentrate, bulk concentrate regrinding, and selective Cu/Pb flotation. Table 4 illustrates the assumed concentrate recoveries and Table 5 shows the assumed concentrate grades. Table 4: Concentrate Recoveries
Table 5: Concentrate Grades
Cash Flow Analysis Over the initial 6-year operating plan outlined in the PEA, the pre-tax NPV using a 5% discount rate is $53.6 million (Table 6) and the post-tax NPV using a 5% discount rate is $43.4 million (Table 7). Table 6: Pre-tax Discounted NPV – Metal Price Sensitivities
Table 7: After-tax Discounted NPV – Metal Price Sensitivities
Metal price assumptions for the base case are $1,300 oz Au, $16.75 oz Ag, $3/lb Cu, $1.25/lb Zn, $1.05 Pb. The revenue contributions of each metal are tabulated in Table 8. Table 8: Revenue Contribution by Commodity and Percentage
Capital Cost Estimates The PEA has been designed to minimize initial capital outflows by utilizing the existing underground infrastructure to access mineralization in proximity to the 3400 Level adit, rehabilitate and utilize the existing 65-person camp, and truck mineralized material to toll milling facilities thereby avoiding the requirement to build a plant on site. Initial preproduction capital expenditures are estimated at $4.3 million (Table 9). The projects pre-production capital consists of rehabilitation to existing underground and surface infrastructure, installation of underground services, preparation and development of underground infrastructure including a new adit at the 3,430 Level, associated cross-cut and connection to the 3,400 Level which completes the ventilation circuit and secondary egress, as well as significant improvements to the projects access road. Excluded from capital expenditures is $1 million which was spent in 2017 to buy-back and extinguish the 1% royalty over Invicta owned by Franco Nevada. No additional royalties remain on the property. Table 9: Initial Pre-Production Capital and Sustaining Capital Breakdown
Lupaka have identified multiple toll treatment plants that would be capable of treating the mineral resources within the PEA mine plan with minor modifications. The mineral resources will be trucked to one of these facilities where separate copper, lead and zinc concentrates would be produced by the toll facility, supervised by Lupaka staff. All capital and operating costs associated with the ROM treatment and tailings disposal would be the responsibility of the toll treatment facility, under a cost per tonne agreement. Preliminary review of marketing terms for the Invicta Project’s saleable concentrates has occurred and discussions with traders are ongoing. Concentrates will be trucked from the selected toll treatment facility to the port of Callao for sale or export. Operating Cost Estimates The PEA estimates that the Invicta Project will produce approximately 187,000 Au-Eq. ounces over the initial 6-year mine plan. Mining and trucking costs are estimated based on third party contractor rates, processing charges are estimated based on discussions held with local toll processing facilities. General and administration is based on internal estimates, local labor rates, and from experience running operating the Invicta camp facility. Estimates project operating costs are tabulated in Table 10. Average cash costs and all-in costs for the project are tabulated in Table 11. The Invicta Project does not have any royalties. Table 10: Operating Unit Costs
Table 11: Cash Costs
Qualified Persons This news release has been reviewed and approved by the following ‘Qualified Persons’, as defined by NI-43-101:
Technical Report Further information about the PEA and the resource estimate referenced in this news release, including data verification, key assumptions, parameters, risks and other factors, will be provided in a technical report prepared following Canadian Securities Administrators’ National Instrument (NI) 43-101 and Form 43-101F1 guidelines for the Invicta Project that the Company will file on SEDAR (www.sedar.com) within 45 days of this Press Release. Neither the TSX Venture Exchange nor its Regulation Service Provider (as the term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy of this news release. About Lupaka Gold Lupaka is an active Canadian-based company focused on creating shareholder value through discoveries and strategic development of its assets in some of the most prolific mining regions of Peru. Invicta Gold Development Project – 100% owned, the Company’s flagship project is an advanced stage gold-copper polymetallic underground deposit located approximately 120 kilometres north of Lima. Over $12 million of capital has been spent by previous owners on development and infrastructure at Invicta, and management expects to commence potential production in the second half of 2018 by using third-party mining contractors and utilizing the existing adit and workings. The Invicta project is fully permitted and community agreements are in place. The potential underground operation will be focused on underground extraction of Indicated Mineral Resources and Inferred Mineral Resources from the Atenea vein within close proximity to the existing 3400 Level adit (up to 130 metres above the 3400 Level). Invicta’s approved EIA allows for mine production of up to 1,000 tpd, although the current mining plan is targeting 350 tpd. Cautionary Note Regarding the Invicta Production Decision The decision to commence potential production at the Invicta Gold Project and the Company’s plans for a mining operation as referenced herein (the ‘Production Decision and Plans‘) are based on economic models prepared by the Company in conjunction with management’s knowledge of the property and the existing estimate of Indicated and Inferred Mineral Resources on the property, supplemented by the 2018 PEA. The Production Decision and Plans were not based on a preliminary economic assessment, a pre-feasibility study or a feasibility study of mineral reserves demonstrating economic and technical viability. Accordingly, there is increased uncertainty and economic and technical risks of failure associated with the Production Decision and Plans, in particular the risk that mineral grades will be lower than expected, the risk that construction or ongoing mining operations are more difficult or more expensive than expected, the risk that the Company will not be able to transport or sell the mineralized material it produces to local custom toll mills on the terms it expects, or at all; production and economic variables may vary considerably, due to the absence of a detailed economic and technical analysis according to and in accordance with NI 43-101. Josnitoro Gold Project – the Company holds an option to earn a 65% interest on this project from Hochschild Mining PLC. The project is located approximately 800 kilometres by road southeast of Lima in the Department of Apurimac, southern Peru, within the Andahuaylas-Yaury Belt, in which the Las Bambas mine (MMG Limited) and the Constancia mine (HudBay Minerals) are located. Historical work on the disseminated gold zones includes over 170 shallow drill holes and extensive surface trenching, as well as artisanal mining. About SRK Consulting Canada Inc. SRK Consulting Canada Inc. form part of the SRK Consulting Group which is an independent, international consulting company that provides focused advice and solutions to clients, mainly from earth and water resource industries. Formed in 1974, SRK now employs more than 1,400 professionals in over 40 offices on 6 continents. Among SRK’s 1,500 clients are most of the world’s major- and medium-sized metal and industrial mineral mining houses, exploration companies, banks, petroleum exploration companies, construction firms and government departments. About Transmin Metallurgical Consultants Transmin is an independent consulting firm that provides metallurgical expertise and services to mining projects and operations throughout South America. FOR FURTHER INFORMATION PLEASE CONTACT: Will Ansley, President & C.E.O. or visit the Company’s profile at www.sedar.com or its website at www.lupakagold.com Qualified Person Cautionary Statements Regarding Forward Looking Information
01.03.2018 Dissemination of a Corporate News, transmitted by DGAP – a service of EQS Group AG. |
Language: | English |
Company: | Lupaka Gold Corp. |
Canada | |
ISIN: | CA5504351019 |
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