Allied Critical Metals Inc. · CSE:ACM
Allied Critical Metals — Technical Presentation (May 2024)
54 slides from Allied Critical Metals's technical presentation, May 2024
Slide 1: Mina da Borralha Project: Environmental Impact Study and Mine Plan
MINA DA BORRALHA Project Environmental Impact Study and Mine Plan May 2024 1 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 2: Agenda
MINA DA BORRALHA AGENDA PROJECT GEOLOGY AND DRILLING ANUAL PRODUCTION AND LOM UNDERGROUND INFRAESTRUCTURE BACKFILL MINERAL PROCESSING TSF MINING ANNEXES AND INFRASTRUCTURE~S ENVIRONMENTAL IMPACT STUDY INFRASTRUCTURES ORGANIZATION POST-MINE PROPOSE 2 Mina da Borralha / Plano de Lavra e Estudo de Impa
Slide 3: Presentation
MINA DA BORRALHA PRESENTATION With the main goal of allowing the exploitation of the Borralha Mine were developed: • The Mine Plan; • The Environmental Impact Assesment (EIA). Permit Area C-167: It is located in the northern region of Portugal, in the municipality of Montalegre and parish of Salto.
Slide 4: Geology: Permit Limit and Area of Intervention
MINA DA BORRALHA PROJECT GEOLOGY Permit Limit Area of Intervention 4 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 5: Project Geology
MINA DA BORRALHA The region of Mina da Borralha is located in the contact between the Central Iberian Zone and the Galiza Trás-os-Montes Zone, constituting a PROJECT sequence of autochthonous to para-autochthonous lithologies that was formed during the Varisca Orogeny. The Borralha mineral deposit i
Slide 6: Geology: Tungsten Mineralization
MINA DA BORRALHA PROJECT GEOLOGY Microscopic studies of borehole polished thin sections carried out by Bobos and Noronha (2017) identified different types of tungsten 4 stages of mineralization according to Lima (2015) mineralization in the Santa Helena Breccia. Wolframite and scheelite (to a lesser
Slide 7: Drilling
MINA DA BORRALHA PROJECT Drilling A core and reverse circulation (RC) drilling program is underway, with the aim of updating the resource and carrying out geotechnical, mineralogical and metallurgical characterization. WGS84 Fase ID E N Az.(º) Incl.(º) Equipamento Estado PFD (m) Profundidade (m) Bo_
Slide 8: Historical Drilling
MINA DA BORRALHA Historical Drilling PROJECT Core Drilling Program 2023 RC Drilling Programme 2023 and 2024 Drilling 8 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 9: Resource Update
MINA DA BORRALHA PROJECT Resource Update ü Resource Update including the recente holes ü Historical Inferred Resources of 8.6Mt@0.20% WO3 à 1Q2024 Resources 12.0Mt@0.21% WO3 ü 1Q2024 Resources 12.0Mt@0.21% WO3 includes RPEEE and 5.0Mt of Indicated Resources ü 1Q2024 Resource Model of much better qua
Slide 10: Resource Update
MINA DA BORRALHA PROJECT Resource Update Cut-off: WO3 % ≥ 0.10% Volume filter: Inside (0.1%WO3 COG) (Entire block) Density: SG_Breccia g/cm³ Average Value Material Content TOX Category Density Mass WO3 % Sn ppm Cu ppm Ag ppm WO3 % Sn ppm Cu ppm Ag ppm g/cm³ Mt % ppm ppm ppm t t t t Indicated 2.77 0.
Slide 11: Resource Update
MINA DA BORRALHA PROJECT Resource Update 2022 1Q 2024 Internal Maiden Internal Resource Resource Update 8.6Mt@0.21% WO3 12.9Mt@0.20% WO3 (Inferred) • 3 683.50 m Drilling RPEEE (Reasonable Prospects for • 488.50 m core Drilling (including 71.00 m of the lost Bo_Met_02) Eventual Economic Extraction) d
Slide 12: Resource Update - Swath Plots and Histograms
MINA DA BORRALHA PROJECT Resource Update - Swath Plots and Histograms Top Cap at composites: 1.8% WO3 (clamp to Top cap value after 30% search) Count Length Mean SD CV Variance Minimum Q1 Q2 Q3 Maximum 12 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 13: Best Drilling Intercepts from 2023 and 2024 Campaign
MINA DA BORRALHA PROJECT Best Drilling intercepts from 2023&2024 campaign 13 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 14: Annual Production and Life of Mine
MINA DA BORRALHA PROJECT ANNUAL PRODUCTION AND LIFE OF MINE Nível NSR (USD/t) Massa (kt) Desmontes 650 44,8 285 15 675 48,5 626 22 700 47,4 968 28 725 47,9 1,260 31 750 48,5 1180 31 775 51,3 1000 25 800 50,9 846 34 825 52,8 340 14 850 56,3 80,1 6 Total 49,1 6590 206 14 Mina da Borralha / Plano de La
Slide 15: Underground Exploitation
MINA DA BORRALHA PROJECT UNDERGROUND EXPLOITION The entire underground infrastructure of the mine was designed, including: • Access to the mine – main ramp; • Ventilation sizing – main and secondary chimneys; • Electrical infrastructure – substation and PTs; • Mine pumping system; • Ore stock points
Slide 16: Ventilation, Electrification and Pumping
MINA DA BORRALHA PROJECT VENTILATION, ELECTRIFICATION AND PUMPING Underground Pumping Exit- Dirty Air Entrance – Clean Air Electrification Main and Secondary Ventilation 16 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 17: Filling Method
MINA DA BORRALHA PROJECT FILLING METHOD The Paste Filling method will be the one used in the Borralha Mine Project, using the tailings from the processing plant to fill the mine voids (approximately 56%). The Balance of Rejects for filling the Blasts is as follows: Processing Plant Mine Main Ramp Re
Slide 18: Mineral Processing
MINA DA BORRALHA PROJECT MINERAL PROCESSING Processing: • Crushing to obtain a product with dimensions < 16 mm; • High-speed jigs for specific fractions (-16 +4 mm and -4 mm); • Grinding to obtain a product of 1-1.5 mm; 2 1 • Sulphide flotation for removal and proper storage and obtaining of copper
Slide 19: TSF
MINA DA BORRALHA PROJECT For the location of the TSF , all environmental constraints were taken into account, applying the following factor: TSF • Areas that are not very restrictive (in green). • Conditioned areas (orange). The TSF at the Borralha Mine must have the capacity to store 6.12 Mt of Pro
Slide 20: TSF Construction Method
MINA DA BORRALHA PROJECT Detail Type of Construction Method: TSF Selected location for the TSF Rejects Facility: Plant view of the TSF: Central da Pasta Instalação de Rejeitados 20 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 21: Infrastructure: Connection to the Electricity Grid
MINA DA BORRALHA PROJECT Alternate routes (selected alternative – B): INFRASTRUCTURE Connection to the Electricity Grid Network Connection: • High-voltage power line, at 60kV, which will interconnect to the Frades Substation (REN); • Length of 6,470 meters, with 22 supports; • 4 Layout alternatives
Slide 22: Infrastructure: Connection to the Electricity Grid
MINA DA BORRALHA PROJECT INFRASTRUCTURE Connection to the Electricity Grid Request for connection to the HV line of E-Redes (60Kv SE Frades REN) has been made. 22 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 23: Infrastructure Platform
MINA DA BORRALHA PROJECT INFRASTRUCTURE Infrastructure Platform A study was carried out to define the best location of the Mining Infrastructures and Annexes platform: Ø The solution that presented the most balanced values in terms of occupation and earth movements was Solution 2. Solution 1 Solutio
Slide 24: Study of Mine Accesses
MINA DA BORRALHA PROJECT Conclusions: • Access A is for light vehicles. INFRASTRUCTURE • Access B was initially studied for heavy access, and was considered not viable (coincides with a spring) Study of Mine Accesses • Access C is designed for the circulation of heavy vehicles. 24 Mina da Borralha /
Slide 25: Layout - Surface
MINA DA BORRALHA PROJECT LAYOUT - Surface Borralha Mine – Surface Infrastructures 1 Water Basins 2 Paste Filling Plant 3 Water Treatment Plant 4 Auxiliary Eleletrical Substation 5 Processing Plant 6 Ore Stock 7 Main Ramp 8 Shad 9 Fuel Station 10 Main building + Washrooms 11 Weighbridge 12 Complex En
Slide 26: Layout - Superfície
MINA DA BORRALHA PROJECT LAYOUT - Superfície Borralha Mine – Surface Infrastructures 1 Water Basins 2 Rainwater basin 3 Water Treatment Plant 4 Auxiliary Eleletrical Substation 5 Processing Plant 6 Ore Stock 7 Main Ramp 8 Shad 9 Fuel Station 10 Main building + Washrooms 11 Weighbridge 12 Mine Comple
Slide 27: Water Supply
MINA DA BORRALHA PROJECT Venda Nova water Adduction dam in the INFRASTRUCTURE drainage gallery Water Supply Drinking Water Supply (social buildings): • Public Supply Network. Water reservoir Industrial/Raw Water Supply: from Borralha • Mine drainage gallery (with an average flow rate of approximatel
Slide 28: Hydraulic Design
MINA DA BORRALHA PROJECT Dimensioned Water Basins for the project, these are: INFRASTRUCTURE • Retention Basin – process water (5 000 m3) Hydraulic Design • Mine Retention Basin (5 000 m3) • Rainwater Basin (1 000 m3) • The discharge of the treated effluents will be carried out in Corga do Caniçó (w
Slide 29: Water Management
MINA DA BORRALHA PROJECT INFRASTRUCTURE Water Management Key points: • Separation of Wastewater from Industrial Water; • Recirculation of Industrial Water for reuse in the process. • Separate treatment of Wastewater (WTTP1) and Industrial Water (WTTP1) following the best national and international m
Slide 30: Hydrogeological Study
MINA DA BORRALHA PROJECT HYDROGEOLOGICAL STUDY Goals: • Physical and chemical characterization of surface and groundwater in the area surrounding the intervention area; • Climate characterization; • Proposal for water monitoring and control; • Impacts; • Hydrological synthesis; • Conceptual hydrogeo
Slide 31: Hydrogeological Study
MINA DA BORRALHA PROJECT HYDROGEOLOGICAL STUDY Key points: • There are no shafts or boreholes in the intervention area and adjacent areas to the old mine; • The hydrogeological study goes beyond the limits of the mining permit; • All sites in the area surrounding the mining project were studied; • T
Slide 32: Hydrogeological Study: Water Points Inventory
MINA DA BORRALHA PROJECT HYDROGEOLOGICAL STUDY Water Points Inventory: • Inventoried water points for sampling and monitoring; • They are encompassed as: Ø Surface waters; Ø Water from creeks and rivers; Ø Groundwater: Ø Spring Waters; Ø Water in addicts from the old mines. 32 Mina da Borralha / Pla
Slide 33: Hydrogeological Study: Sampling Points
MINA DA BORRALHA PROJECT HYDROGEOLOGICAL STUDY Sampling Points • A total of 21 samples were done for hydrochemical characterization; • The sampling points were chosen according to their proximity to the project and the possible influence of the project's development on the surrounding waterways. 33
Slide 34: Hydrogeological Study
MINA DA BORRALHA PROJECT HYDROGEOLOGICAL STUDY 34 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 35: Hydrogeological Study - Flow Model
MINA DA BORRALHA PROJECT HYDROGEOLOGICAL STUDY – Flow Model 35 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 36: Hydrogeological Study
MINA DA BORRALHA PROJETO HYDROGEOLOGICAL STUDY • Groundwater is poorly mineralized, being classified as sulfated/chlorinated waters – sodium/magnesian and chlorinated/sulfated – sodium; • Surface waters are poorly mineralized, being classified as chlorinated/sulfated waters – sodium and sulfated/chl
Slide 37: Hydrogeological Study: Water Quality
MINA DA BORRALHA PROJECT HYDROGEOLOGICAL STUDY • Water quality (Decreto de Lei No. 236/98 for surface and groundwater). 37 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 38: Environmental Impact Study
MINA DA BORRALHA ENVIRONMENTAL IMPACT STUDY Assessment of Environmental Constraints and Planning (PDM Montalegre) – Study area The study area (includes 250m of Buffer to the intervention area) intersects some Environmental Restriction zones that must be taken into account, namely: • REN; • RAN; • Wa
Slide 39: Environmental Impact Study
MINA DA BORRALHA ENVIRONMENTAL IMPACT STUDY Assessment of Environmental Restrictions and Planning (PDM N Montalegre) – Area of intervention The intervention area intersects some Environmental Restriction areas that must be taken into account, namely: • REN; • Rainwater Line. The PDM area should be c
Slide 40: Environmental Impact Study
MINA DA BORRALHA ENVIRONMENTAL IMPACT STUDY Assessment of Environmental Restrictions and Spatial Planning (PDM Montalegre and Vieira do Minho) The connection to the electricity grid through an HV line makes use of the Frades Substation (Ruivães Vieira do Minho). With the HV line, the adduction pipel
Slide 41: Environmental Impact Study
MINA DA BORRALHA ENVIRONMENTAL IMPACT STUDY Assessment of the Physical and Human Environment, Soils, Landscape, Heritage, ... 41 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 42: Environmental Impact Study
MINA DA BORRALHA ENVIRONMENTAL IMPACT STUDY Assessment of the Physical and Human Environment, Soils, Landscape, Heritage, ... Área de Intervenção 42 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 43: Environmental Impact Study: Social and Environmental Aspects
MINA DA BORRALHA ENVIRONMENTAL IMPACT STUDY Aspects to be highlighted at a social and environmental level: • All the industrial water to be used in the mining process will come from a drainage gallery of the old mine located next to the Venda Nova dam, not jeopardizing the local public supply; • No
Slide 44: Organização das Infraestruturas e a Proposta do Pós-Mina
PROJETO MINA DA BORRALHA ORGANIZAÇÃO DAS INFRAESTRUTURAS E A PROPOSTA DO PÓS-MINA Maio 2024 44 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 45: Arquitetura: Fotografia Aérea
Fotografia Aérea (Sul_para_Norte) António do Fundo Ferreira, Arquitectos MINA DA BORRALHA Arquitetura 45 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 46: Fotografias do Lugar
Fotografias do Lugar António do Fundo Ferreira, Arquitectos 46 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 47: Plataforma dos Anexos Mineiros | Perfis
Plataforma dos Anexos Mineiros | Perfis Pastefil Galeria Principal Edifício Principal (493,30m2) "A fenda" da Boca da Mina. Escritórios, Salas de Monitorização Entrada Balneários, Refeitório … 870,00 António do Fundo Ferreira, Arquitectos Zona da Mina Existente (Cavalete) Percurso Expositivo Mina da
Slide 48: Imagens Virtuais 1/6
Imagens Virtuais 1/6 António do Fundo Ferreira, Arquitectos 1 3 2 Imagem 02 Imagem 01 Imagem 03 48 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 49: Imagens Virtuais 4/6
Imagens Virtuais 4/6 António do Fundo Ferreira, Arquitectos Imagem 10 Imagem 09 10 9 49 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 50: Imagens Virtuais 3/6
Imagens Virtuais 3/6 António do Fundo Ferreira, Arquitectos Imagem 08 7 8 Imagem 07 50 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 51: Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio
51 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 52: Pós Mina: Eco Parque da Borralha
Plataforma dos Anexos Mineiros | Axonometria António do Fundo Ferreira, Arquitectos Plataforma panoramica 360 Pós Mina "ECO PARQUE" DA BORRALHA Galeria expositiva aberta (156,00m2) Jardim vertical (1 3200,00m2) Edifício Principal (493,30m2) Santa Bárbara Residência de Artistas e Administração do Par
Slide 53: Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio
53 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
Slide 54: Projecto Mina da Borralha
PROJECTO MINA DA BORRALHA MINERÁLIA 54 Mina da Borralha / Plano de Lavra e Estudo de Impacte Ambiental / Maio 2024
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