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True North Copper
Overview
True North Copper (ASX:TNC) is entering a transformative phase on our path to become Australia’s next copper producer. Mining activities have commenced at our Cloncurry Copper Project – a low-cost, low-risk, fully funded and permitted project.
The company’s next mine development is the high-grade Vero resource at the Mt Oxide Project. True North Copper is committed to developing and strengthening our understanding of this phenomenally mineralised project, which boasts an updated copper-silver mineral resource estimate of 15.03 Mt at 1.46 percent copper and 10.59 g/t silver for a contained 220 kt copper and 5.13 Moz silver.
Copper demand is rising in a global market of diminishing supply. The global surge in artificial intelligence, electric vehicles, decarbonisation initiatives, and broader macro trends is intensifying the demand for copper.Company Highlights
True North Copper is preparing to become Australia’s next copper producer.
True North Copper's two principal assets are located in northwest Queensland, Australia – a Tier 1 mining jurisdiction:
- Cloncurry Copper Project (CCP) - IOCG and ISCG copper-gold deposits proposed for open pit mining operations, with extensive surrounding exploration tenure. Mining activities have commenced at the Wallace North deposit, part of CCP.
- Mt Oxide Project (Mt Oxide) – IOCG high-grade, globally significant, copper-cobalt-silver deposit subject to re-optimisation studies, and exploration in surrounding tenure.
Cloncurry Copper Project (CCP)
- Mining restart study confirms positive CCP project economics - AU$367 million with free cash flow of AU$111 million, and a pre-tax NPV10 of AU$88 million over a 4.6 year mine life, at US$8,500 per ton copper price and US$1,850 per ounce gold price (0.7 AU$:USD exchange rate).
- Wallace North Mine preparation and mobilisation. Wallace North is scheduled as the first open pit (one of four – Wallace North, Great Australia Mine [GAM], Taipan and Orphan Shear) to be mined as part of the mining restart at the CCP.
- Mining ramp-up will initially build ore stockpiles, with mining expected to start Q4 FY24 (AUS). Oxide copper-gold ore will be transported by road train to the Cloncurry Operations heap leach. Sulphide ore will be transported to a nearby concentrator for toll treatment under TNC's toll-milling agreement with Glencore.
- CCP’s total reserves increased. TNC’s Cloncurry Copper Project (CCP) total reserves currently include 4.7Mt probable ore reserves grading 0.80 percent copper and 0.13g/t gold, containing 37.5 kiloton of copper and 20.0koz of gold.
Figure: Cloncurry copper project and Cloncurry operations hub
Mt Oxide Project
- Highly prospective and underexplored. Phenomenally mineralised system.
- Exploration results from True North Copper's maiden diamond drill program across Mt Oxide’s Vero Resource not only returned globally significant grades, but also showcased the expanding nature of the Vero high-grade ore body including:
- 66.50 metres @ 4.95 percent copper, 32.7g/t silver and 685 ppm cobalt from 234.00 metres
- [inc.] 20.60 metres @ 10.51 percent copper, 63 g/t silver and 1,149 ppm cobalt from
234.60 metres and - [inc.] 8.55 metres @ 6.03 percent copper, 51.6 g/t silver and 98 ppm cobalt from
290.15 metres
- [inc.] 20.60 metres @ 10.51 percent copper, 63 g/t silver and 1,149 ppm cobalt from
- 66.50 metres @ 4.95 percent copper, 32.7g/t silver and 685 ppm cobalt from 234.00 metres
- Updated Copper-Silver Mineral Resource Estimate. The updated MRE for the Vero deposit contains 15.03 Mt at 1.46 percent copper and 10.59 g/t silver for a contained 220 kt copper and 5.13 Moz silver. Vero’s updated resource delivers a 20 percent increase in silver ounces, demonstrating the potential to produce a significant silver co-product in addition to copper.
- Multiple exciting future exploration programs and high-priority potential targets along the 10 kilometre-long mineralised trend that hosts Vero.
- Strongly Anomalous Copper and Pathfinder Elements. A systematic rock chip sampling campaign at the Aquila and Ivena North prospects at the Mt Oxide project identified broad zones of copper mineralisation with samples from Aquila showing multiple gossanous breccia structures up to 30 metres wide. Sampling from Ivena North has identified copper, cobalt and arsenic trends within two geochemically anomalous zones from multiple gossanous breccia structures that are up to 25 metres wide.
Figure: Cross-section of MOXD217 (10 metres clipping window) showing the location of geological and grade composites as well as the updated interpretation of copper grade domains based on the results from MOXD217
Funding and Strategic Partnerships
- AU$42 million (US$28 million) USD-denominated senior secured loan facility (loan facility) with Nebari Natural Resources Credit Fund II LP (Nebari)1. The Loan Facility is provided in two tranches. Drawdown of Tranche 1 – US$18 million (approximately AU$25.5 million) on 9 February 2024.
- Binding offtake and toll-milling agreements with Glencore International AG (Glencore) for 100 percent of copper concentrate from TNC’s CCP and toll-milling services of up to 1Mt of ore per year for the CCP’s Life of Mine (LoM).
Figure: Visual representation of Vero Resource within surrounding Mt Isa Inlier.
TNC Exploration Program
- Exploration strategy targeting transformative discoveries across TNC’s more than 850 sq km of tenure package within the Mt Isa Inlier.
- Significant potential for transformative discoveries of copper-gold cobalt-silver in three districts.
- Numerous high-quality copper-gold-cobalt-silver targets located with mineralised structural corridors within the eastern & western fold belts such as:
- Cloncurry Fault Corridor 🡪 Host to the GAM and Mt Norma Resources
- Ernest Henry Corridor 🡪 Ernest Henry, E1 Camp and Monakoff
- Mt Gordon Corridor 🡪 Capricorn Copper and Vero
- Mt Roseby Corridor 🡪 Little Eva and Blackard.
- 12.55 Mt @ 0.82 percent copper (indicated and inferred resources) and multiple prospects located within a 30-kilometre radius of the company's CCP represent near-term production opportunities.
- Recent JV over highly prospective tenements with CMG deal increases TNC’s land position at the core of its CCP.
- TNC awarded the Queensland Government Collaborative Exploration Initiative (CEI) Grant. The CEI grant has been used towards delivery of leading edge MIMDAS induced polarisation, resistivity and magnetotellurics geophysical surveys at the Mt Oxide. The exploration has targeted massive and disseminated sulphide mineralisation and delivered an improved understanding of the large-scale structural architecture that controls mineralisation throughout the Mt Oxide exploration leases.
Figure: Summary of exploration and development pipeline across all TNC projects.
Projects
Cloncurry Copper Project
Our Cloncurry copper project (CCP) hosts iron oxide copper-gold (IOCG) and iron-sulphide-copper-gold (ISCG) deposits with extensive surrounding exploration tenure. It is built on a strong economic basis and low-risk cost structure.
The CCP currently incorporates two reserves where mining will commence including – the Wallace North maiden resource and the Great Australia mine reserve (GAM):
- GAM includes GAM, Orphan Shear and Taipan deposits) totalling 4.7Mt grading 0.80 percent copper and 0.13g/t gold containing 37.5kt of copper and 20 koz of gold – upgrade to be announced mid-2024.
- Wallace North ore reserve totals 0.7Mt (probable) grading 1.01 percent copper and 0.46g/t gold for 6.8kt copper and 10 koz gold.
TNC’s CCP expansion is ongoing with exploration progressing and advanced projects in strategic locations surrounding the existing CCP operation, promising long-term growth prospects.
Our strategic partnerships, including a binding offtake and toll-milling agreements with Glencore International AG, supported by debt funding secured with Nebari, underscore our operational readiness and position TNC to capitalise on an extremely favourable copper market.
Mining operations will kick off at the Wallace North open cut pit, targeting higher-grade ores (~1 percent copper) from surface mining. Ore will undergo primary crushing at the Cloncurry operations hub and the toll treatment facility, located within a 40-kilometre radius, with a predominant focus on sulphide ores.
All necessary permits for mining are secured across the CCP, bolstered by an established environmental monitoring network with a robust historical database.
TNC's operational strategy involves a phased approach to mine development, with mining activities commencing in 2024 and a planned ramp-up of production throughout 2025.
Cloncurry Operations Hub
The Cloncurry operations hub is strategically located to the CCP’s four open pit deposits including: Great Australia, Orphan Shear, Taipan and Wallace North.
The COH is 2 kilometres from the township of Cloncurry and provides essential infrastructure, technical systems and support to all of TNC’s project operations. An active oxide heap leach and solvent extraction (SX) processing plant, mine buildings, site administration facilities, workshops, open pit mine facilities, onsite explosive magazines, site storage, water management systems and existing site power supply are located at the COH.
Cloncurry Copper Project – Project Economics
- Mining 4.8Mt of ore over an initial 4.6-year mine life, at a low strip ratio of 4.2, delivering 35kt copper and 29 koz gold contained metal (based on existing JORC reserves)
- Anticipated mine revenue of AU$367 million with free cash flow of AU$111 million, and a pre-tax NPV10 of AU$88 million, demonstrating strong operating economics at US$8,500/t copper price and US$1,850/oz gold price (0.7 AU$:USD exchange rate).
- Payback expected within six months post mining restart, driven by favourable commodity prices and low all-in sustaining cost (AISC) of US$2.65/lb copper.
- Low up front capex of AU$1.5 million leverages existing infrastructure, while peak operating expenditure is estimated at AU$2.2 million.
- Sulphide and oxide ore production – two copper products. copper sulphide (LoM approx. 90 percent) + copper sulphate (LoM approx. 10 percent).
- Mineral concentrate grade 22-26 percent copper (with gold/silver credits).
- Sulphide Ores more than88 percent expected recovery.
- Transitional Ores more than 77 percent expected recovery.
- Very low deleterious elements in mineral concentrate.
Cloncurry Copper Project – Exploration
- CCP expansion and exploration focused on rapid copper-gold-ore source growth.
- With more than 80 prospects located within a 30-kilometre radius of the CCP, TNC is focused on expansion and the exploration potential for additional copper-gold-cobalt-silver mineralisation to be brought into the production fold, including large-scale transformative discoveries.
- Our successful 2023 Exploration Program identified the following targets:
- Cloncurry Copper Project - eight new drill targets at Greater Australian and Copperhead.
- Salebury and Rocklands South - Compelling untested geophysical anomalies in historic data.
- Mt Norma - untested surface anomalies and down plunge resource extension targets on mining lease within 30 kilometres of the Cloncurry operations hub.
- Wynberg, Notlor, Marimo Trend and Tanbah limited historic exploration significant copper-gold in surface sampling and drilling, limited testing.
Figure: High priority exploration targets at the CCP
Mt Oxide Project
The Mt Oxide project hosts the Vero resource of 15.98 Mt @ 1.43 percent copper (measured, indicated and inferred) a Mt Isa style sediment-hosted copper-silver-cobalt system. Analogues include Capricorn copper and Mt Isa copper.
The Vero resource at our Mt Oxide project is our next mine. We are focused on understanding this phenomenally mineralised system.
Mt Oxide’s Vero Resource 2023 exploration program returned outstanding and globally significant grades. The results of our 2023 maiden drilling program at the Vero resource showcased the expanding nature of the Vero high-grade ore body.
Vero Resource maiden drilling program
2023 Vero resource drilling highlights included (* = Estimated True Width):
MOXD217 returned phenomenal results that placed the drill hole in the top globally ranked copper drill holes of 2023 including :
- 66.50 metres (48.00 metres*) @ 4.95 percent copper, 32.7 g/t silver and 685 ppm cobaltfrom 234 metres.
- 11 metres (8.19 metres*) @ 3.06 percent copper, 34.2 g/t silver and 682 ppm cobalt from 357.50 metres.
- 8.55 metres (8.55 metres*) @ 6.16 percent copper, 45.9 g/t silver and 140 ppm cobalt from 172.50 metres.
MOXD221 intercepted a wide interval of high-grade shallow dipping mineralisation as well as a second deeper intercept, providing indications of rapidly increasing grade and widths of mineralisation to the south including:
- 42.10 metres (41 metres*) @ 1.66 percent copper, 13.5 g/t silver and 1,083 ppm cobalt from 154.90 metres.
- [including] 4 metres (2.24 metres*) @ 7.65 percent copper, 57.3 g/t silver and 1,164 ppm cobalt from 191.20 metres.
MOXD226A returned three key zones of strong mineralisation including a broad interval of 69.95 metres and further intervals of up to 11.19 percent copper.
Highlights include:
- 69.95 metres (42.85 metres*) @ 1.91percent copper, 17.7g/t silver and 675 ppm cobalt from 224.55 metres
- [including] 9.65 metres (5.89 metres*) @ 2.74 percent copper, 24.1g/t silver and 993 ppm cobalt from 239.50 metres
- [including] 18.15 metres (11.07 metres*) @ 3.23 percent copper, 26.8g/t silver and 585 ppm cobalt from 276.35 metres
- 16.75 metres (16.75 metres*) @ 5.30 percent copper, 44- g/t silver and 120 ppm cobalt from 165.25 metres
- [including] 4.65 metres (4.65 metres*) @ 11.19 percent copper, 93.9g/t silver and 136 ppm cobalt from 172.55 metres
Figure: Location of geological and grade composites as well as the updated interpretation of copper grade domains based on the results from MOXD226A
Mt Oxide Discovery Strategy
TNC is committed to unlocking Mt Oxide’s underexplored targets.
- Mt Oxide lies adjacent to a large crustal scale structure - the Mt Gordon Fault Zone. Splays off this structure (Dorman Fault) host Vero.
- Mt Oxide has evidence of large-scale fluid flow, big mineral system potential.
- Copper-silver-cobalt mineralisation interpreted to have been formed near surface and upper parts are preserved.
- Excellent depth potential of mineralisation in the Mt Oxide project.
- Limited systematic modern exploration outside of the Vero resource.
- Significant opportunity to apply leading-edge mineral exploration to build a larger copper inventory in a well-endowed mineral system.
- More than 10 kilometres trend along Dorman fault zone of intermittently outcropping gossanous / silica breccias, virtually no drilling, surface sampling or effective geophysics.
- Multiple untested targets with significant alteration-mineralisation footprints.
- No application of tried and tested geophysics or systematic surface rock chip geochemistry and mapping.
- Low cost highly effective exploration techniques to filter and prioritise drill targets.
Multiple exciting future exploration programs and high-priority potential targets along 10-kilometre long mineralised trend that hosts Vero including:
- Aquila & Mt Gordon
- Ivena North
- Camp Gossans
- Cave Creek
- Big Oxide
Figure: Multiple exciting future exploration programs and high-priority potential targets along the 10-kilometre long mineralised trend that hosts Vero resource’s Mt Oxide project.
A systematic rock chip sampling campaign at the Aquila and Ivena North prospects indicated strongly anomalous copper and pathfinder elements.
- Sampling at Aquila highlighted six zones of anomalous copper, cobalt and arsenic associated with multiple gossanous breccia structures up to 30 metres wide.
- Aquila B Trend: +180 metres long and +30 metres wide copper +/- cobalt-arsenic-silver within a 440 metres long fault breccia with visible copper oxide mineralisation. The trend includes rock chip channels returning 3.6 metres @ 0.49 percent copper with a peak assay of 0.94 percent copper.
- Aquila A Trend: +20 metres long and up to 12 metres wide copper-arsenic-antimony anomalous zone within +210 metres strike of hematite altered hydrothermal breccias, returning up to 0.05 percent copper and 12.7g/t silver and anomalous pathfinders.
- Aquila D Trend: +100 metres long and up to 4 metres wide copper-cobalt trend associated with a historical prospecting pit with strong copper oxide mineralisation, and a peak assay of 0.87 percent copper.
- At Ivena North, sampling has identified copper, cobalt & arsenic trends within two geochemically anomalous zones from multiple gossanous breccia structures that are up to 25 metres wide.
- Ivena North A Trend – +130 metres long and up to 15 metres wide copper-cobalt-aresenic trend within a +580 metres strike of hydrothermal breccia and gossans that returned assays up to 1.38 percent copper and anomalous arsenic +/- silver-antimony-bismuth-molybdenum.
Management Team
Bevan Jones - Managing Director
Bevan Jones is a seasoned operations officer offering nearly 30 years of experience in mine management across a diverse range of commodities and has a proven track record in directing business improvement initiatives and operational transformation. Jones’ previous roles include chief operating officer at Karora Resources (TSX:KRR), as well as general manager of Gold Fields Limited’s (JSE:GFI) St Ives Gold Mine in WA, where he executed transformative growth strategies and delivered exceptional operational results. Most recently, Jones was the managing director at Brisbane-based Extra Mining Solutions, where he played a leading role in establishing the company focusing on business transformation and operational excellence. Jones gained international operational experience as chief operating officer of BCM Group International in West Africa, general manager of the Wetar Copper Mine in Indonesia and general manager of the Hidden Valley Mine in Papua New Guinea, as well as mining manager of Barrick Gold’s Lumwana Copper Mine in Zambia.
September 2024 Quarterly Report
HIGHLIGHTS
1. Lake Hope High Purity Alumina (HPA) Project, WA (IPT earning 80%)
- The Mine at Lake Hope:
- A negotiation protocol for Land Access and Cultural Heritage agreements with the Ngadju peoples reviewed and signed.
- Applications for a Mining Lease and associated Miscellaneous licence lodged.
- Infill drilling to define a maiden Measured Resource and Proven Reserve completed with resource calculations and economic studies in progress.
- Mining studies underway to provide mining schedules, proposed equipment, site logistics and costs of mining and transport of ore to Kwinana.
- Further flora fauna and heritage surveys are being planned for the mine haul road.
- The Process Plant:
- Kwinana selected as the location for process plant to produce a benchmark 10,000 tonnes per annum of HPA due to access to providers of the required input chemical reagents, buyers of the fertiliser and acid by-products and access to suitable land. Combined, these provide substantial strategic advantages for the project with savings on capex and opex.
- The Low-Temperature Leach process selected as the most straightforward processing method to produce HPA at scale.
- CPC Engineering selected to provide a design and engineering study for the full-scale plant that is underway.
- Product development, offtake and marketing
- Further test work on HPA and fertiliser by-products continues.
- Experimental work has produced a hydrated alumina product that may have major applications in the catalyst and flame retardant industries.
- Early-stage discussions are underway for potential synergies with existing alumina businesses in Europe and the USA.
- A marketing and product development team is being assembled.
2. Arkun-Beau, WA (IPT 100%)
- No major no activity occurred this quarter, though efforts remain on track to resume exploration after the cropping season ends in the wheatbelt in December.
- 413 soil samples were re-assayed to refine drill targets at Beau and Caligula prospects
- Land access agreements and statutory approvals are being finalised ahead of planned drill programme in Q1 2025
- Previous geochemical and MME survey data at Caligula support the project potential, with $180,000
- co funding awarded under the WA Government’ EIS scheme for drilling.
3. Corporate/Finance
- A FY23 Research and Development Rebate of $395,000 was received during the Quarter.
PROJECT REPORTS
1. LAKE HOPE HIGH PURITY ALUMINA PROJECT, WA (IPT earning 80%)
Figure 1. Location of the Lake Hope Project and proposed haul route to Kwinana.
During the Quarter Impact Minerals announced that it had lodged a Mining Lease Application (MLA63/684) and associated Miscellaneous Licence (L63/99) for the Lake Hope High Purity Alumina (HPA) Project located 500 km east of Perth in Western Australia, (Figures 1 and 2). This is a crucial step in advancing the project towards production as it defines the work required to obtain the statutory approvals needed for the grant of the Mining Lease.
The approvals process, together with the logistics and estimated costs of mining and transporting the Lake Hope mud to the process plant, form one of the four key parts of a Pre-Feasibility Study (PFS) on Lake Hope, which is in progress (Figure 3 and ASX Release July 10th, 2024). Impact can take an 80% interest in Playa One Pty Limited, which owns the Lake Hope Project and associated intellectual property, by completing the PFS (ASX Releases March 21st 2023 and July 10th 2024).
The PFS followed on from a positive Scoping Study, which showed that for a benchmark production of 10,000 tonnes per annum of HPA, the Project has an estimated post-tax Net Present Value (NPV8) of about A$1.3 billion and would potentially be one of the lowest-cost producers of HPA globally (ASX Release November 9th 2023).
Click here for the Quarterly Cashflow Report
Click here for the full ASX Release
This article includes content from Impact Minerals, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
True North Copper Investor Kit
- Corporate info
- Insights
- Growth strategies
- Upcoming projects