Preliminary Economic Assessment (PEA)
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Lara Reports Results of Preliminary Economic Assessment for its Planalto Copper-Gold Project
Newsfile· 2025-10-21 10:30
Core Insights - Lara Exploration Ltd. announced the results of an independent Preliminary Economic Assessment (PEA) for its Planalto Copper-Gold Project, indicating strong technical and economic viability for the project [1][4][5] Project Overview - The Planalto Project is located in the Carajás mining district, Pará State, Brazil, and is 100% owned by the company [1][5] - The PEA estimates production of 560,000 tonnes (1.2 billion pounds) of copper and 111,000 ounces of gold over an 18-year mine life [5][6] - The project features a conventional open-pit mining approach with a life of mine (LoM) strip ratio of 2:1 [5][7] Economic Metrics - The after-tax net present value (NPV) is estimated at US$378 million at an 8% discount rate, with an internal rate of return (IRR) of 21% and a payback period of 3.5 years [5][48] - Initial capital expenditures are projected at US$546 million, with sustaining capital costs of US$170 million [5][48] - Average all-in sustaining costs (AISC) are estimated at US$5,920 per tonne of payable copper [5][48] Production and Processing - The processing plant is designed to operate at an annual rate of 8 million tonnes of run-of-mine (RoM) feed, achieving recoveries of 91% for copper and 51% for gold [5][22] - The project will produce a clean chalcopyrite concentrate grading 28% copper for international smelting [5][7] Infrastructure and Location - The project benefits from excellent local infrastructure, including access to high-tension power lines and proximity to major mining towns [5][25] - The Brazilian grid is predominantly powered by renewable energy sources, which will help reduce the project's carbon footprint [5][25] Regulatory and Environmental Considerations - The company plans to apply for various licenses, including a Preliminary License in Q3 2026 and an Installation License in Q4 2028, with operations expected to start in 2030 [28][29] - An environmental impact assessment (EIA) is underway, expected to be completed by Q2 2026 [29][30] Mineral Resource Estimate - The PEA is based on a Mineral Resource Estimate (MRE) dated July 3, 2024, which includes both Indicated and Inferred resources [9][56] - Approximately 76% of the total mineral resources are classified as Inferred, which are considered too speculative to be categorized as Mineral Reserves [9][56] Future Opportunities - The company sees potential for further exploration and resource growth within the Planalto license area, particularly in the newly acquired Atlantica Exploration Licence [6][58] - There are opportunities to optimize processing and reduce environmental impacts through advanced tailings management techniques [54][58]
Fortuna delivers robust PEA for Diamba Sud Gold Project in Senegal: After-tax IRR of 72% and NPV5% of US$563 million using US$2,750 per ounce
Globenewswire· 2025-10-15 11:58
Core Insights - Fortuna Mining Corp. has released a Preliminary Economic Assessment (PEA) for the Diamba Sud Gold Project in Senegal, indicating strong project economics with a gold price of $2,750 per ounce, resulting in an after-tax NPV5% of $563 million and an IRR of 72% [2][30][41]. Project Overview - The PEA supports the development of an open-pit mine and a conventional carbon-in-leach (CIL) processing plant, projecting an average annual production of 147,000 ounces of gold in the first three years at an All-In Sustaining Cost (AISC) of $904 per ounce [2][5][30]. - The total mineralized material mined is estimated at 17.75 million tonnes, containing 932,000 ounces of gold, with a life of mine (LOM) of 8.1 years [5][10]. Financial Metrics - The construction capital cost is estimated at approximately $283.2 million, with a payback period of ten months [3][30]. - Average operating cash costs over the LOM are projected at $1,081 per ounce, with AISC averaging $1,238 per ounce [6][30]. Exploration and Development - Ongoing exploration is expected to enhance the LOM production profile beyond a decade, with five drill rigs currently active [4][8]. - A supplementary budget of $17 million has been approved to advance early construction works and detailed engineering activities [4][40]. Environmental and Permitting - Fortuna has filed an Environmental and Social Impact Assessment (ESIA) as part of the permitting process, marking a significant milestone [38]. - The company anticipates applying for an exploitation permit before the expiration of its exploration permit in June 2026 [39]. Next Steps - The Definitive Feasibility Study (DFS) is expected to be completed by the end of the second quarter of 2026, with a construction decision anticipated shortly thereafter [41][42].
Sage Potash Completes a PEA That Delivers After-Tax NPV of US$502 Million and IRR of 39%
Newsfile· 2025-09-23 00:28
Core Viewpoint - Sage Potash Corp. has completed a positive Preliminary Economic Assessment (PEA) for its Sage Plain Potash Project, indicating a robust economic potential with an after-tax Net Present Value (NPV) of $502 million and an Internal Rate of Return (IRR) of 39% [1][4][6]. Economic Overview - The PEA estimates an unlevered after-tax NPV of $502 million and a 39% IRR over a 20-year project life [6][15]. - The project is expected to generate cumulative free cash flow of $1.26 billion, with a payback period of 5 years and cash flow positive within 2 years [6][15][21]. - Initial capital expenditures (CapEx) are projected at $155 million, which includes $26 million in contingencies and $16 million in construction indirect costs [6][15][17]. - The average operating cost is estimated at $144 per metric tonne, with a gross margin of 68% [8][21]. Operations Overview - The project will utilize solution mining to produce potash, with an initial capacity of 300,000 metric tonnes per year [11][12]. - The facility is strategically located in San Juan County, Utah, close to agricultural markets, providing significant transportation cost advantages [19][20]. - The project is designed to support multiple phases of production and has a favorable timeline for permitting and engineering [6][14][19]. Resource Overview - The PEA identifies an inferred potash resource of 298 million metric tonnes, with a KCl grade of 42.1% [6][25]. - The resource is located in the Paradox Basin, known for its high-quality potash deposits and proven history of solution mining [25][26]. - The project has potential for significant future incremental capacity expansion, with additional exploration planned to convert inferred resources to measured and indicated resources [27][28]. Next Steps - Sage Potash plans to advance its efforts in delineating the resource and optimizing the project, including drilling an exploration well to confirm cavern concentrations and flow rates [27][28]. - The company aims to secure commercial initiatives, including potential off-take agreements and partnerships within the agricultural sector [28][30].
Allied Critical Metals Expands Santa Helena Breccia in Borralha with Long Tungsten Intercepts and Confirms High-Grade Trend
Newsfile· 2025-09-11 11:47
Core Viewpoint - Allied Critical Metals Inc. has announced significant assay results from its ongoing drilling campaign at the Borralha Tungsten Project, indicating the Santa Helena Breccia is emerging as a larger and higher-grade orebody than previously modeled [1][3][4] Company Developments - The company is conducting a 4,200 meters reverse circulation drilling campaign at the Borralha Tungsten Project, with plans for an additional 1,528 meters of drilling in Q4 2025 [1][4] - Recent drill results have extended mineralization both west and north of previously reported high-grade intercepts, suggesting a larger and higher-grade Breccia complex [1][4][12] - The CEO highlighted the potential of Borralha as a strategic source of tungsten for Portugal, the EU, and NATO, emphasizing the importance of the upcoming Mineral Resource Estimate (MRE) and Preliminary Economic Assessment (PEA) [3][5] Industry Context - Tungsten prices have reached a new high of U.S.$550/MTU, reflecting a more than 40% increase over the past four months due to rising demand and supply chain restrictions from non-Western countries [2] - The European Union recognizes tungsten as a critical and strategic raw material, with the Borralha Project positioned to help meet the EU's target of sourcing at least 10% of its critical raw materials domestically by 2030 [5][24] - The U.S. and NATO defense sectors are heavily reliant on tungsten, making the Borralha Project a vital component of critical mineral supply chains [5][24] Drilling Results - The latest drill results include significant intervals such as 100.0 meters at 0.21% WO₃ from drill hole Bo_RC_17/25, indicating a bulk-mineable medium-grade core with well-defined high-grade corridors [4][7] - Drill hole Bo_RC_14/25 previously reported 12.0 meters at 4.27% WO₃, including 6.0 meters at 8.39% WO₃, showcasing the high-grade potential of the project [4][7] - The drilling program is expanding the footprint of the Breccia complex, with new northern deep lode identified for resource growth [5][12] Future Plans - The company plans to continue drilling to target west-deep and northern extensions while tightening spacing across the MRE backbone, with additional assays to be released as they are validated [14] - The timeline is aligned with an updated MRE expected in Q4 2025, followed by a PEA [14]
Koryx Announces Updated PEA Results for the Haib Copper Project, Southern Namibia
Globenewswire· 2025-09-04 11:00
Core Insights - The Haib Copper Project is positioned as a scalable, low-risk, and low-cost open-pit mining operation with a projected mine life of 23 years and annual payable copper production of 92,000 tonnes [2][5][7] - The Preliminary Economic Assessment (PEA) indicates a post-tax NPV of US$1.351 billion and an IRR of 20.1%, highlighting the project's strong financial viability [5][10] - The project is located in southern Namibia, an area with rich infrastructure, and is under new management aiming to optimize and de-risk the project [2][7] Financial Overview - The PEA estimates an upfront construction capital of US$1.559 billion and sustaining capital of US$543 million over the life of the mine [5][12] - Average C1 cash costs are projected at US$1.81 per pound for the first ten years, with an AISC of US$2.05 per pound [5][12] - The project has a capital intensity of US$16,871 per tonne of annual payable copper production for the first ten years [5][12] Production and Recovery - The project plans to produce copper and molybdenum concentrates through a conventional milling and flotation process, with additional copper cathode production via heap leaching [5][7] - The average recovery rates are estimated at 89% for milling and flotation and 74% for heap leaching [5][12] - The total mineralized material mined is projected to be 779 million tonnes, with a copper grade of 0.309% [14][41] Environmental and Social Considerations - The permitting process is underway, with a mining license application submitted and positive public perception regarding job creation and economic development [5][7] - Environmental and social impact assessments are progressing positively, indicating a supportive community for the project [5][7] Technical and Operational Aspects - The project is designed to process 28 million tonnes per annum through conventional methods, with a hybrid solution for water sourcing [5][12] - The technical team has a strong track record in mine development in Namibia, enhancing the project's credibility [7][8] - Ongoing drilling and metallurgical testing are expected to unlock further upside in terms of size and grade improvements [4][5]
Viva Gold Announces Filing PEA Study for its Tonopah Gold Project, Nevada
Thenewswire· 2025-08-21 16:10
Core Viewpoint - Viva Gold Corp has filed a Preliminary Economic Assessment (PEA) report for the Tonopah Gold Project, indicating its potential viability for development as an economic open pit gold mine [1][2]. Project Overview - The Tonopah Gold Project is located approximately 20 minutes from Tonopah, Nevada, and the PEA was prepared by WSP Canada Inc. and Kappes, Cassiday Associates [1][2]. - The project is designed to operate at a rate of 45,000 tonnes per day over a seven-year mine life, producing approximately 75,000 ounces of gold annually for the first two years, with an average of 50,000 ounces per year in years three to seven [3]. Economic Results - The after-tax net present value (NPV) at a 5% discount rate is estimated at $111.6 million at a gold price of $2,400 per ounce, increasing to $363.6 million at $3,200 per ounce [4]. - The after-tax internal rate of return (IRR) is projected at 17.6% at $2,400 per ounce, rising to 43.4% at $3,200 per ounce [4]. - The after-tax payback period is estimated at 3.6 years at $2,400 per ounce, decreasing to 1.8 years at $3,200 per ounce [4]. Cost Structure - Average production cash costs are projected at $1,164 per ounce of gold, with an all-in sustaining cost (AISC) of $1,269 per ounce [4]. - Pre-production capital expenditure is estimated at $219.9 million, with $22.2 million in working capital and additional sustaining capital of $70.4 million [4]. Future Work Program - The future work program recommended by WSP and KCA includes further refinement and optimization of the final mine and process plan, with a focus on improving capital and operating costs [2][4]. Management and Company Background - Viva Gold is led by CEO James Hesketh, who has extensive experience in the mining industry, having developed and constructed eight other mines globally [7][8]. - The company is advancing the Tonopah Gold Project with the support of institutional shareholders and is committed to environmentally and socially responsible development [9][8].
Tintina Mines Completes Drilling Campaign and Reports Key Geometallurgical Advances to Support 2025 PEA for Domeyko Sulfuros Project
Globenewswire· 2025-08-18 11:00
Core Insights - Tintina Mines Limited has completed its 2025 drilling campaign at the Domeyko Sulfuros Project in Chile, aiming to upgrade Inferred Resources and support a Preliminary Economic Assessment (PEA) [1][9] - Preliminary drill results confirm resource potential and indicate opportunities for deposit expansion [2] - The drilling campaign involved 12 diamond drill holes totaling 5,810 meters, providing essential data for geological modeling and geotechnical analysis [3] Resource and Assay Results - An updated resource estimate is expected in September, with complete Cu-Au assay results anticipated by the end of August; currently, 20% of geochemical results have been received [4] - Key mineralogical findings indicate chalcopyrite as the primary copper-bearing mineral, with favorable liberation and low pyrite association [5] Geometallurgical Testing - Comminution tests show low ore abrasiveness and medium to hard hardness in primary grinding, supporting a conventional grinding circuit design [5] - Rougher flotation tests yielded average recoveries of 92.6% Cu and 74.9% Au at P80 = 150 µm, with no significant differences between seawater and freshwater use [8] Preliminary Economic Assessment (PEA) - Andean Belt Resources has engaged SRK Consulting for the PEA, which will include resource estimation, cost estimation, and economic scenario generation, with the final report scheduled for December 2025 [9] Company Overview - Tintina Mines Limited is a Canadian company with over 20 years in the junior mining sector, focusing on base and precious metal properties in South America and Canada; it has recently expanded its portfolio with new projects in Chile [11]
Desert Gold Delivers Positive PEA for SMSZ Project with USD $24M After-Tax NPV (10%) and 34% IRR at USD $2,500/oz Gold for Barani and Gourbassi Deposits in Mali
Newsfile· 2025-08-07 09:30
Core Insights - Desert Gold Ventures Inc. has announced a positive Preliminary Economic Assessment (PEA) for its SMSZ Gold Project in Mali, highlighting a robust economic outlook with an after-tax NPV of USD $24 million and an IRR of 34% at a gold price of USD $2,500 per ounce [1][3][10]. Project Overview - The SMSZ Gold Project includes the Barani and Gourbassi deposits, with a projected production capacity of approximately 18,300 tonnes per month, translating to 220,000 tonnes per annum over a mine life exceeding 17 years [2][5]. - The PEA indicates a total of 113,500 ounces of gold contained, with an estimated recovery of 97,600 ounces through a gravity and CIL processing method, achieving an average metallurgical recovery of 86% [3][25]. Financial Metrics - At a gold price of USD $2,500 per ounce, the project yields an after-tax NPV (10%) of USD $24 million, an IRR of 34%, and a payback period of 3.25 years [3][10]. - If the gold price rises to USD $3,366, the after-tax NPV increases to USD $54 million, with an IRR of 64% and a payback period of 2.5 years [4][10]. Capital and Operating Costs - The initial capital expenditure is estimated at USD $15 million, with sustaining capital costs projected at USD $9 million over the life of the mine [7][19]. - The all-in sustaining cost (AISC) is estimated at USD $1,352 per ounce, with total cash costs at USD $34.80 per tonne processed [22][24]. Production and Resource Estimates - Average annual gold production is estimated at 5,500 ounces, with total payable gold production projected at approximately 97,600 ounces across both deposits [16][25]. - The total Measured and Indicated (M&I) Resources stand at 11.12 million tonnes grading 0.94 g/t Au for 336,800 ounces, while Inferred Resources total 27.16 million tonnes grading 1.01 g/t Au for 879,900 ounces [27][28]. Mining and Processing Plan - The mining plan is structured in two phases, starting with open-pit operations at Barani East and transitioning to Gourbassi, utilizing a modular processing plant to minimize initial capital costs [5][20]. - The project is designed for conventional open-pit mining methods, targeting shallow oxide and transitional materials, with no underground mining planned at this stage [34][35]. Next Steps - The company is in advanced discussions with potential partners for funding to commence construction at Barani East and is evaluating various funding options [64]. - Additional geotechnical work and new drill programs are being planned to optimize the pit design and expand existing gold zones [66].
CEO.CA's Inside the Boardroom: Viva Gold CEO: Tonopah PEA Shows Strong Gold Price Leverage Amid Market Volatility
Newsfile· 2025-07-29 17:08
Core Insights - The article discusses the recent preliminary economic assessment (PEA) of the Tonopah Gold Project by Viva Gold Corp, highlighting its strong financial metrics and market positioning amid volatility [4]. Financial Metrics - The PEA indicates a Net Present Value (NPV) of $112 million, an Internal Rate of Return (IRR) of 17.6%, and a payback period of 3.6 years at a gold price of $2,400 per ounce [4]. Processing Strategy - Viva Gold plans to utilize both traditional milling and heap leach processing methods to optimize gold recovery from varying grades of materials [4]. Market Positioning - The stock of Viva Gold is currently trading at a significant discount compared to similar projects, suggesting potential value for investors who can overlook short-term market fluctuations [4].
Red Pine Completes 2024–25 Drilling Program & Initiates Preliminary Economic Assessment Work at Wawa Gold Project
Globenewswire· 2025-07-23 11:45
Core Insights - Red Pine Exploration Inc. has completed its 2024-25 drilling program at the Wawa Gold Project, consisting of 69 drill holes totaling 24,574.5 meters [1][4] - The drilling program achieved its primary goals of expanding the size potential of the Wawa gold deposit and better defining near-surface mineralization [2][4] - Preliminary Economic Assessment (PEA) work has commenced, with expectations to complete it in early H1 2026 [3][5] Drilling Program Details - The drilling program included 25,000 meters planned, with significant results such as 45.38 grams per tonne of gold over 3.13 meters core length [8] - Additional notable assay results include 1.86 g/t Au over 19.09 meters and 14.51 g/t Au over 4.81 meters [8] - A newly discovered gold zone at depth could extend over 940 meters [8] Ongoing Activities - The company is conducting technical and baseline studies to support operational design and permitting, including metallurgical testing and geotechnical work [6] - An environmental and permitting consultant with over 25 years of experience has been engaged to assist in the permitting process [6][8] - The company is fully funded to complete the PEA and commence baseline studies following a successful financing completed on July 9, 2025 [6][8] Quality Assurance Measures - Red Pine implements a QA/QC program that includes inserting external gold standards and blanks every 20 samples [10] - Quarter-core duplicates are routinely taken to evaluate the natural variability of gold mineralization [10] - Approximately 5% of the pulps and coarse rejects analyzed are sent for umpire testing at Agat Laboratories [10] Company Overview - Red Pine Exploration Inc. is a gold exploration company based in Toronto, Ontario, with shares trading on the TSX Venture Exchange and OTCQB Markets [12] - The Wawa Gold Project is located in the Michipicoten Greenstone Belt, an area with significant historical gold mining activity [13]