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Pursuit Minerals Ltd (ASX: PUR) (“PUR”, “Pursuit” or the “Company”) is pleased to provide the following update on key developments for its Lithium Carbonate Pilot Plant at the Rio Grande Sur Lithium Project following a recent site visit by management to Argentina.
- Pilot Plant comissioning and start up works progressing towards first production.
- Completion of relocation of plant to new facility in Salta.
- Completion of dynamic simulation, mass balances and plant layout design conceptually producing 250 tonnes per annum of 99.95% battery grade Lithium Carbonate via conventional evaporation process method.
- Completion of mass balance and engineering study by Worley in addition to upgrade and optimisation plans from Pursuit Engineering Team.
- Engagement of highly experienced engineering team to oversee and manage plant operations and first production of Lithium Carbonate.
Lithium Carbonate Pilot Plant
The Company is progressing with its commissioning and start up works of the Lithium Carbonate Pilot Plant.
Figure 1 – Plant mixing tanks and columns being refurbished at the new Pursuit Lithium Facility in Salta, Argentina.
The plant is currently in the process of being commissioned with equipment currently being refurbished for testing of the circuit and first production of material. This process is being overseen by Pursuit’s plant operations and engineering team led by:
Pedro Mauricio Torres
Senior Lithium Process Engineer.
Mr. Torres has been working for more than 15 years in Lithium Projects (Process, Operation, Engineering and Project area), in Chile where he worked for more than 10 years in a senior role at SQM( NYSE:SQM) and was in charge of carrying out the commissioning of the new La Negra Lithium Hydroxide Plant. In addition, Mr. Torres has held senior roles with Galaxy Lithium now Allkem (ASX:AKE) and Alpha Lithium Corp (NEO: ALLI | OTC: APHLF | FRB: 765). Mr. Torres is an engineer with significant experience in the development of lithium processing operations with a strong technical profile. He is one of the founders of Beyond Lithium LLC Consultants.
Adrian Arias
Senior Lithium Brine Technology Engineer
Mr. Arias has held senior roles with several different Lithium development companies with vast experience in Argentina, with a focus on the development of chemical plants. Mr Arias was formerly the Process Manager of the Sal de Vida Project of Allkem (ASX:AKE) in addition to being a consultant of Alpha Lithium Corp (NEO: ALLI | OTC: APHLF | FRB: 765) in the establishment of its Pilot Plant at the Tolilar Salar. Currently, Mr. Arias is the leader of technology development for Beyond Lithium LLC, where his experience in laboratories, field testing and operations development positions him as a leader in the construction of Lithium Projects focusing on the brines of the Argentine Puna.
Worley Process Report - Mass Balance, Evaporation Ponds and Li2CO3 100tpa Plant Study
Earlier in 2023, Pursuit commissioned global engineering firm Worley to commission a study to outline a process route for the Rio Grande Brines through development of a dynamic mass balance for the production of 100 tonnes per annum of battery grade lithium carbonate, through the use of evaporation ponds and a lithium carbonate plant.
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Quarterly Activities/Appendix 5B Cash Flow Report
HIGHLIGHTS
1. Commencement of Stage 1 Drilling Program at the Rio Grande Sur Lithium Project.
2. Completion of commissioning of Lithium Carbonate Pilot Plant.
3. Discussions underway with provincial Government for evaporation pond environmental permitting.
4. $1.36 million in cash and equivalents available at quarter end.
PROJECT DEVELOPMENT
During the March 2024 quarter, Pursuit Minerals Ltd (“Pursuit” or “Company”) has continued to advance through numerous engineering and geological studies, permitting approval processes and stakeholder engagement activities at our flagship Rio Grande Sur Lithium Project.
Rio Grande Sur (RGS) Lithium Project Argentina
The Rio Grande Sur Project comprises of 5 tenements prospective for lithium on the Rio Grande Salar in the Salta province of Argentina, in addition to a Lithium Carbonate Pilot Plant located in the city of Salta. The five tenements cover approximately 9,233 hectares (Table 1).
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Jindalee Advances US Government Funding for McDermitt
- Grant applications lodged with two US Government agencies (Defense and Energy) with strong support from state politicians, agencies and potential industry partners.
- Substantial Government funding for US critical mineral projects continues.
Jindalee is pleased to provide an update on US government funding opportunities for McDermitt.
Grant applications lodged with two US Government agencies (Defense and Energy)
Jindalee advises that the Company has lodged applications for non-dilutive grant funding with both the Department of Defense (DoD) and the Department of Energy (DoE) (Battery Manufacturing and Recycling Grant).
If successful, the DoD grant application is expected to co-fund an accelerated Feasibility Study and associated drilling and testwork, whilst the DoE grant application is designed to potentially co-fund the engineering, procurement, construction and development of a lithium processing facility at McDermitt.
Both grant applications have passed initial reviews by the agencies. The DoE grant application was accompanied by letters of support from Oregon and Nevada politicians and agencies, as well as potential Project partners.
The Company expects to provide updates regarding the status of applications and any potential award decision in the second half of 2024.
Substantial Government funding for US critical mineral projects continues
The US Government is committed to securing a domestic supply for critical minerals to reduce reliance on foreign sourced materials, including lithium, and is providing significant support and funding via the Inflation Reduction Act, the Defense Production Act and other initiatives as recent developments indicate.
On 14 March 2024 Lithium Americas Corp (TSX: LAC, Market Cap: C$1.5bn6) announced that it had received a conditional commitment from the DoE for a US$2.26 billion loan for financing the Phase 1 construction of processing facilities at the Thacker Pass Lithium Project3, located approximately 30km south of McDermitt (Figure 1). The loan, anticipated to cover approximately 75% of Thacker Pass’s initial capital cost, offers favourable terms with an interest rate equivalent to the US Treasury rates (0% spread) and a tenor of 24 years.
On 8 April 2024 Perpetua Resources Corp (TSX: PPTA, Market Cap: C$538m6) announced that it had received a Letter of Interest from the US Export-Import Bank for potential debt of up to US$1.8 billion for capital funding of the Stibnite Gold and Antimony Project in Idaho, USA4. This follows earlier grants of up to US$59.4 million received by Perpetua Resources from the DoD to assist with construction readiness and permitting of the Stibnite Project5.
Jindalee’s CEO Ian Rodger commented “We are very pleased with the progress of our grant applications for the McDermitt Lithium Project, particularly with the strong backing we’ve received from key stakeholders, including US politicians and potential Project Partners. The support for our applications highlights the strategic importance of our Project and its alignment with US national interests. These non-dilutive grants, if successful, promise to significantly enhance equity returns, reinforcing our strategy and amplifying the value we deliver to our shareholders.
Table 1 – Summary of 2023 McDermitt Mineral Resource Estimate at the reporting cut-off of 1,000ppmNote: totals may vary due to rounding. (Lithium carbonate equivalent (LCE) is calculated by taking the lithium value and multiplying by 5.323 to determine the molar equivalent in standard industry fashion).
Figure 1 – McDermitt Caldera: Location of McDermitt and Thacker Pass projects
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Uranium Anomaly Delineated by Soil Results at Napperby Project
Highlights
Napperby Project, Northern Territory, Australia
- Soil sampling results have delineated a large uranium anomaly in excess of 4.5km in length and up to 700m in width
- Re-examination of hyperspectral data by HyVista supports ‘roll-front’ style uranium mineralisation interpretation for the anomaly
- Follow-up mapping of the identified uranium and sulphide targets to commence, with results to refine / generate drill targets
- Field exploration activities will assess lithium-caesium-tantalum (LCT) pegmatites potential along with uranium and Rare Earth Elements
The Napperby Project is located within the highly prospective Arunta Province, which is endowed with some of the most prospective rocks for lithium (Li), Rare Earth Elements (REEs) and uranium (U) mineralisation in the Northern Territory.
As announced on 21 February 2024, the Paleoproterozoic Wangala and Ennugan Mountains granites have long been recognised as “Hot Granites” and known to be anomalously enriched in a range of elements including U, thorium and REEs. Both granite plutons show outstanding uranium/thorium ratios and are almost fully encapsulated within Oceana’s Napperby Project leases EL32836 and ELA32841 (under application), as shown in Figure 1.
A soil geochemistry infill sampling program was completed during the December quarter in the southeast corner of EL32836 to better define and understand the lithium anomalies highlighted by the 2022 soil sampling program (refer to ASX Announcement dated 28 November 2022).
A total of 107 samples were collected in the last campaign at 200m spacings for approximately 30 line-km, infilling the previous 2km line spacing to 500m. Although initially targeting lithium, the results from the soil sampling have defined a large arcuate uranium anomaly, as shown in Figure 2.
Figure 1: Map showing U/Th ratios and known uranium, thorium and REE mineral occurrences at Napperby Project
Figure 2: Large uranium anomaly in soils - Line spacing is 500m and sample centres of 200m
The uranium anomaly is mostly covered by Quaternary sediments and residual soils. The relatively low absolute values for the anomaly (500 – 3,680ppb U) are the result of using mobile metal ion sampling techniques which enables field teams to sample large areas without the need to carry large heavy samples around in the field. Because the samples are not crushed and pulverized, it is only unbound or weakly attached metal ions that are removed from soils and as such it is not the absolute values of elements that are of interest but the relative differences of values within a given data set.
Modelling and interpretation of the available hyperspectral data at Napperby was completed by HyVista Pty Ltd (HyVista). Modelling of the geochemical alteration zones interpreted from the hyperspectral data relative to the uranium surface anomaly confirmed that the anomaly has the potential to host significant “roll-front” type uranium mineralisation.
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HMW Project Achieves 1,000t LCE Contained Inventory as Lithium Chloride Production Journey on Track
HMW Project Update
- Pond 1 and 2 evaporation continues; approx 1,000t LCE contained inventory
- Pond 3 earthworks almost complete, liner installation at 60% and filling of pond 3 commenced; Pond 4 earthworks have commenced
- Overall project completion now at 33%, with pond construction 45% complete; project execution is advancing as planned
- Aligning with the physical progress of the project, capital expenditure also sits at 33% of the Phase 1 budget
- Key processing parameters; average brine flow rate, average Li grade from wells and evaporation rates in line with the Feasibility Study. The project remains on track to commence production in H1 2025
- Opportunities to reduce the Capex and Opex for HMW Phase 1 identified; engineering and procurement teams working to quantify these opportunities within the next two months
- Low all-in sustaining costs; HMW is expected to be in the 1st quartile of lithium industry’s cost curve with an initial reserve estimate of 40 years
- Phase 2 Operating cost to LiCl concentrate of $US3,510/t LCE equates to a low Li2O equivalent operating cost of SC6 (Spodumene Concentrate) $US310/t-$US350/t; solid production margins at current spot prices
- Following the recent agreement signed with the Catamarca government, offtake and funding discussions are advancing; Glencore due diligence process continues.
Overall completion of the HMW project now sits at 33% with the ponds system already at 45% completion. Approximately 600,000 m2 of evaporation area has now been built, currently housing 1,000t LCE contained inventory. This evaporation area is sufficient to produce a lithium chloride volume of approximately 2.4 ktpa LCE. The key processing parameters, including raw brine well average flow rates, Li grades and evaporation rates are all aligned with the Phase 1 DFS. Based on the rate of construction and the results achieved to date, the HMW project remains on track to start production in H1 2025.
In addition, Galan’s team are analysing options to reduce capital expenditure, these opportunities are focussed on selecting the minimum infrastructure required to commence production of Phase 1. Multiple trade-off exercises are being assessed such as the analysis of rental options for energy supply, reduction of the size for selected buildings, usage of independent smaller control systems, instead of a larger central control system for all facilities.
As previously announced, the HMW project was separated into four production phases. The initial Phase 1 Definitive Feasibility Study (DFS) focused on the production of 5.4ktpa LCE of a lithium chloride concentrate by H1 2025, as governed by the approved production permits. The Phase 2 DFS targets 21ktpa LCE of a lithium chloride concentrate in 2026, followed by Phase 3 production of 40ktpa LCE by 2028 and finally a Phase 4 production target of 60ktpa LCE by 2030. Phase 4 will include lithium brine sourced from both HMW and Galan’s other 100% owned project in Argentina, Candelas. The very positive Phase 2 DFS results were announced on 3 October 2023 (https://wcsecure.weblink.com.au/pdf/GLN/02720109.pdf).
Ponds 1 and 2 completed with evaporation continuing
Pond 3 liner installation and Pond 4 earthworks
Galan’s Managing Director, Juan Pablo (JP) Vargas de la Vega, commented:
“We are very proud of the solid progress being made by the HMW Phase 1 construction team. With more than one third of the project completion now achieved, Galan is well on its way towards its targeted commencement of production in H1 2025. Galan would like to acknowledge and sincerely thank the Government of the Catamarca Province in Argentina for their continued support, evidenced by the recent agreement signed to commercialise lithium chloride concentrate from HMW. We are excited about the opportunities this agreement now presents to Galan’s future”
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