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Caprock Mining Corp. (CSE: CAPR) ("Caprock" or the "Company") is pleased to announce that its technical team has discovered the presence of zinnwaldite, an extraordinary lithium-bearing mineral, during a recently concluded prospecting and sampling program on the eastern-most claim block (the "Main Claim Block") at its Ackley Lithium-Tin-Molybdenum-REEs property ("Ackley", or the "Property") located in south-eastern Newfoundland, for which the Company has an option to acquire a 100% interest.
Caprock's CEO Mr. Vishal Gupta states: "Historical work at Ackley returned assays of up to 0.91% lithium oxide, however the specific lithium-bearing mineral was never identified until an internal assessment of recently obtained samples by Caprock's technical team. We are very excited by this discovery, since we believe that it is much easier and a lot less capital-intensive to produce lithium hydroxide from zinnwaldite than from the highly sought-after mineral, spodumene."
Mr. Gupta goes on to say, "Zinnwaldite is being successfully mined and processed at the Zinnwald Lithium project in Germany, and its presence has only been documented a handful of times in Canada, previously. While it is still early days in our exploration work at Ackley, initial prospecting work indicates a potential for extensive zinnwaldite mineralization on the Property related to the large 'greisen' zone that resides at the contact between the Devonian-aged granite complex, and the Proterozoic metasediments and volcanics over which the Ackley claim blocks lie."
Assay results from grab samples taken during recent field work will be published in subsequent press releases. The Company also awaits additional confirmation of the zinnwaldite mineralization through detailed petrographic analysis of the grab samples.
Additional Information About Zinnwaldite
Zinnwaldite is a potassium-lithium-iron-aluminum-silicate-hydroxide-fluoride phyllosilicate mineral within the mica group that typically occurs in greisens, pegmatites and quartz veins, and is often associated with tin ore deposits.
In general, zinnwaldite ore is the least energy- and capital-intensive hard rock mining alternative to a lithium-brine operation with respect to the production of lithium hydroxide, especially when compared to spodumene ore. Whereas spodumene concentrate must undergo two separate "high temperature" roast cycles prior to the production of lithium hydroxide, zinnwaldite concentrate only has to undergo a single "medium temperature" roast cycle in order to produce lithium hydroxide.
Additionally, unlike spodumene which has a tendency to lose its lithium content when exposed to ambient weather conditions, zinnwaldite is not subject to weather conditions as a means of production, which allows for greater certainty of supply and control of production.
Figure 1 below provides an image of a massive zinnwaldite sample collected at Ackley.
Figure 1: Massive zinnwaldite sample with remnant granite relics
About the Ackley Property
Ackley comprises three claim blocks that collectively span an area of 4,550 hectares located less than two hours' drive from St. John's. The claim blocks overlie portions of the contact zone of a large Devonian-aged granite complex with Proterozoic metasediments and volcanics, parts of which are "greisened", or hydrothermally altered, that is similar in age and lithology to the Mount Pleasant deposit in New Brunswick and the East Kemptville deposit in Nova Scotia. Limited historical exploration work across the Main Claim Block by companies including Esso Minerals, American Zinc, Inco and others, discovered occurrences and anomalies of lithium, tin, molybdenum, tungsten and REEs.
Recent magnetometer survey work over part of the Main Claim Block indicates that the altered contact zone may be extensive, covering several square kilometres. Recent limited prospect sampling and historical Esso trenches across the Main claim block returned assays of up to 0.91% lithium oxide, 5.0% molybdenum, 0.67% tin and 1-5% fluorine on surface. Newfoundland government survey maps of this region report some of the highest lake sediment values for REEs on the entire island.
Figure 2: Location of the three Ackley claim blocks
About Caprock Mining Corp.
Caprock Mining Corp. is a Canadian mineral exploration company focused on exploring battery metals in Newfoundland and precious metals in Ontario.
The Company has an option to earn a 100% interest in the Ackley Lithium-Tin-Molybdenum-REEs property located on the Burin Peninsula in south-eastern Newfoundland. Additionally, the Company's 100% interest in several gold exploration properties gives it a substantial landholding in the historical Beardmore-Geraldton Gold Belt("BGB") of Ontario - a belt that has produced over four million ounces of gold historically, and contains the world-class Greenstone gold project (formerly known as the Hardrock gold project) which is being brought to production by a joint venture partnership between Equinox Gold (TSE:EQX) and Orion Mine Finance.
With an experienced management team that has a strong exploration pedigree, Caprock is poised to generate incremental shareholder value by advancing its portfolio of highly prospective exploration projects.
The scientific and technical information disclosed in this release has been reviewed and approved by Mr. Vishal Gupta, the Company's President & CEO. Mr. Gupta is a P.Geo. registered with the Professional Geoscientists of Ontario (PGO), and a. "qualified person" as defined under National Instrument 43-101, Standards of Disclosure for Mineral Projects.
For More Information
Please contact:
Vishal Gupta
President & CEO
E-Mail: vgupta@caprockmining.com
Cautionary Statement Regarding Forward-Looking Statements
All statements in this press release about anticipated future events or results constitute forward-looking statements including, but not limited to, statements with respect to: the potential for extensive zinnwaldite mineralization on the Property, the release of assay results from grab samples taken during recent field work and the ability to generate incremental shareholder value by advancing the Company's portfolio of projects. Forward-looking statements are often, but not always, identified by the use of words such as "seek", "anticipate", "believe", "plan", "estimate", "expect" and "intend" and statements that an event or result "may", "will", "should", "could" or "might" occur or be achieved and other similar expressions. All statements, other than statements of historical fact, included herein, are forward-looking statements. Although Caprock believes that the expectations reflected in such forward-looking statements and/or information are reasonable, undue reliance should not be placed on forward-looking statements since Caprock can give no assurance that such expectations will prove to be correct. These statements involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking statements, including the risks, uncertainties and other factors identified in Caprock's periodic filings with Canadian securities regulators. Forward-looking statements are subject to business and economic risks and uncertainties and other factors that could cause actual results of operations to differ materially from those contained in the forward-looking statements. Important factors that could cause actual results to differ materially from Caprock's expectations include risks associated with the business of Caprock; risks related to reliance on technical information provided by Caprock; risks related to exploration and potential development of the Company's mineral properties; business and economic conditions in the mining industry generally; fluctuations in commodity prices and currency exchange rates; uncertainties relating to interpretation of exploration results and the geology, continuity and grade of mineral deposits; the need for cooperation of government agencies and First Nation groups in the exploration and development of properties and the issuance of required permits; the need to obtain additional financing to develop properties and uncertainty as to the availability and terms of future financing; the possibility of delay in exploration or development programs and uncertainty of meeting anticipated program milestones; uncertainty as to timely availability of permits and other governmental approvals; and other risk factors as detailed from time to time and additional risks identified in Caprock's filings with Canadian securities regulators on SEDAR+ in Canada (available at www.sedarplus.ca). Forward-looking statements are based on estimates and opinions of management at the date the statements are made. Caprock does not undertake any obligation to update forward-looking statements except as required by applicable securities laws. Investors should not place undue reliance on forward-looking statements.
Neither the Canadian Securities Exchange nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this release.
CAPR:CNX
Warrego East Drilling Permitted as Takeover Action Underlines Prospectivity of Tennant Creek Mineral Field
- The $82M takeover of Tennant Creek Mining Group Pty Ltd (TCMG) by London-listed Pan African Resources PLC (AIM: PAF) has reignited interest in the underexplored Tennant Creek Mineral Field (TCMF)1
- The corporate activity comes as Metal Australia finalises plans for a substantial exploration program at its Warrego East copper-gold project2 after the Northern Territory Government authorised the Company’s Mine Management Plan. Warrego East is adjacent to, and immediately east of, the high- grade Warrego mine and Mineral Resource held by TCMG and its Joint Venture partner, Emmerson Resources (ASX: ERM)3
- The program will test a series of priority gravity and magnetics defined ironstone hosted copper- gold targets within a corridor which links the Warrego mine with the Gecko and Orlando copper- gold deposits4,5. The Warrego mine historically produced 4.95Mt @ 2.0% Cu and 8g/t Au6
- Weather permitting, the field exploration program will commence as soon as land holder access agreements are finalised.
Metals Australia CEO Paul Ferguson commented:
“We welcome the clear show of confidence Pan African Resources has demonstrated in the Tennant Creek Mineral Field via its $82 million takeover of TCMG, which is Emmerson Resources’ JV partner in the tenements hosting the Warrego copper-gold mine and various mineral resources. This comes as Metals Australia finalises plans for a substantial field exploration program at its Warrego East copper-gold project, located immediately adjacent to and east of those JV tenements.
The takeover of TCMG by Pan African Resources demonstrates the potential now being seen by bigger overseas players in the Tennant Creek Mineral Field. With a market cap of more than $1 billion, South African- based Pan African Resources has recognised the potential of this underexplored region to host significant mineral resources where less than 10% of drilling has extended beyond 150m in depth and where almost all significant deposits to date have been discovered under shallow cover.
The Warrego mine was identified undercover as a magnetic anomaly during an airborne survey conducted in 1956. Similar magnetic anomalies occur within a corridor through our Warrego East lease, with the Gekko and Orlando deposits discovered further to the east, within the same corridor.
Warrego went on to produce consistently between the early 1970s up until 1989 – averaging around 2% copper and 8gpt of gold during its production life.
We are working diligently to finalise the remaining requirements for our upcoming exploration program at Warrego East.
The planned program is a further illustration of Metals Australia’s status as one of the most active exploration companies, with field exploration programs recently completed at three projects and two more in the pipeline as we seek to unlock the true value of our portfolio in known mining districts in Australia and Canada.”
Figure 1: Metals Australia’s Tenements, TCMG tenements (acquired by PAF), Warrego Production6 in the TCMF.
This comes as the prospectivity of the Tennant Creek Mineral Field is further underlined by the $82 million takeover of TCMG announced on 5 November. Metals Australia’s Warrego East project is adjacent to, and immediately east of, the tenements hosting the Warrego mine and mineral resources held by TCMG and its JV partner Emmerson Resources.
The Tennant Creek Mineral Field has produced 25Mt @ 6.9 g/t gold (Au) & 2.8% copper (Cu)4, with historical production coming from deposits in outcropping areas – or undercover - such as the Warrego mine. Metals Australia’s tenements are located on Cu-Au trends in areas of shallow soil cover which have not been tested with modern exploration (see Figure 2 below). The tenements include EL32725 (granted) and EL32837, EL32937 and EL32410 (all under application), which were acquired by the Company as part of its 80% acquisition of Payne Gully Gold7 in 2022.
Click here for the full ASX Release
This article includes content from Metals Australia Ltd, 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.
Where Does Tesla Get its Lithium? (Updated 2024)
In a mid-2023 Tesla earnings call, Musk seemed relieved to see prices for the battery metal had declined. “Lithium prices went absolutely insane there for a while,” he said. Lower battery prices will bring EVs closer to cost parity with internal combustion engines vehicles, leading to wider adoption and increased demand.
During the 2024 US presidential election, Musk threw his support behind Republican candidate and former president Donald Trump, who has been historically critical on electric vehicles and subsidies. Following Trump's election win on November 5, AP News reported that these stances could support Tesla as they would be more likely to harm smaller competitors who were less established than the EV giant. Tesla's share price shot upwards in response to the election outcome.
This spring, Musk invited Argentine President Javier Milei to the Tesla factory in Austin, Texas, where the two reportedly discussed the investment opportunities in Argentina's lithium sector. As a prominent member of the prolific Lithium Triangle, the South American nation is the fourth leading lithium producer by country.
Australia's hard-rock deposits and Chile's brines are also top sources for the world's lithium supply. But lithium refining is dominated by China, which accounted for 72 percent of global lithium processing capacity in 2022.
With the limelight on Musk and Tesla in 2024, investors should know where the electric car company sources its lithium.
Read on to learn more about where Tesla gets its lithium, how much lithium is in a Tesla battery and what the EV maker is doing to better secure its lithium supply chain.
In this article
Which lithium companies supply Tesla?
Tesla has deals with multiple lithium suppliers, some that are already producers and some that are juniors developing lithium projects.
At the end of 2021, Tesla inked a three-year lithium supply deal with top lithium producer Ganfeng Lithium (OTC Pink:GNENF,SZSE:002460), and the Chinese company began providing products to Tesla starting in 2022. Major miner Arcadium Lithium (NYSE:ALTM,ASX:LTM), which is set to be acquired by Rio Tinto (ASX:RIO,NYSE:RIO,LSE:RIO) also has supply contracts in place with the EV maker.
China’s Sichuan Yahua Industrial Group (SZSE:002497) agreed to supply battery-grade lithium hydroxide to Tesla through 2030. Under a new, separate agreement finalized in June 2024, Yahua is set to supply Tesla with an unspecified amount of lithium carbonate between 2025 and 2027, with the option to extend the contract by another year.
Tesla also holds deals with junior miners for production that is yet to come on stream. Liontown Resources (ASX:LTR,OTC Pink:LINRF) is set to supply Tesla with lithium spodumene concentrate from its AU$473 million Kathleen Valley project. The deal is for an initial five year period set to begin this year, and production began in July 2024.The company expects to reach nameplate capacity in calendar Q1 2025.
In January 2023, Tesla amended its agreement with Piedmont Lithium (ASX:PLL,NASDAQ:PLL), which now supplies the US automaker with spodumene concentrate from its North American Lithium operation, a joint venture with Sayona Mining (ASX:SYA,OTCQB:SYAXF). The deal is in place through the end of 2025.
Even though Tesla has secured lithium from all these companies, the EV supply chain is a bit more complex than just buying lithium directly from miners. Tesla also works with battery makers, such as Panasonic (OTC Pink:PCRFF,TSE:6752) and CATL (SZSE:300750), which themselves work with other chemical companies that secure their own lithium deals.
What are Tesla batteries made of?
Tesla vehicles use several different battery cathodes, including nickel-cobalt-aluminum (NCA) cathodes and lithium-iron-phosphate (LFP) cathodes.
Tesla is known for using NCA cathodes developed by Japanese company Panasonic. This type of cathode has higher energy density and is a low-cobalt option, but has been less adopted by the industry compared to the widely used nickel-cobalt-manganese (NCM) cathodes. Aside from that, South Korea's LG Energy Solutions (KRX:373220) supplies Tesla with batteries using nickel-cobalt-manganese-aluminum (NCMA) cathodes.
As mentioned, it wasn’t just lithium that saw prices climb in 2021 — cobalt doubled in price that same year, and although it has declined since then, the battery metal remains essential for many EV batteries. Most cobalt mining takes place in the Democratic Republic of Congo, which is often associated with child labor and human rights abuses, fueling concerns over long-term supply.
That said, not all Tesla’s batteries contain cobalt. In 2021, Tesla said that for its standard-range vehicles it would be changing to lithium-iron-phosphate (LFP) cathodes, which are cobalt- and nickel-free. At the time, the company was already making vehicles with LFP chemistry at its factory in Shanghai, which supplies markets in China, the Asia-Pacific region and Europe.
In April 2023, Tesla announced that it planned to use this type of cathode chemistry for its short-range heavy electric trucks, which it calls "semi light." The company is also looking to use LFP batteries in its mid-sized vehicles.
At the top of this year, Tesla made moves to produce LFP batteries at its Sparks, Nevada, battery facility in reaction to the Biden Administration's new regulations on battery materials sourcing, especially on those sourced from China. Reuters reports Tesla battery supplier CATL will sell idle equipment to the car maker for use at the plant, which will have an initial capacity of about 10 gigawatt hours.
What company makes Tesla’s batteries?
Tesla works with multiple battery suppliers, including Panasonic, its longtime partner, as well as LG Energy Solutions, the second largest battery supplier in the world. They supply the EV maker with cells containing nickel and cobalt.
China's CATL has been supplying LFP batteries to Tesla for cars made at its Shanghai plant since 2020. It’s also been reported that BYD Company (OTC Pink:BYDDF,SZSE:002594) is supplying Tesla with the Blade battery — a less bulky LFP battery — which the car manufacturer has used in some of its models in Europe. Additionally, BYD is set to work with Tesla on its battery energy storage systems (BESS) in China, with a plan to supply 20 percent of Tesla's anticipated BESS manufacturing capacity, with CATL expected to cover 80 percent. The factory will use the companies' LFP batteries.
How much lithium is in a Tesla battery?
How much lithium do Tesla batteries actually contain? That question is tricky because many factors are at play. Typically, it depends on battery chemistry, as demonstrated by the chart below, as well as battery size.
For example, the standard Tesla Model S contains about 138 pounds, or 62.6 kilograms, of lithium. It is powered by a NCA battery, which has a weight of 1,200 pounds or 544 kilograms.
The amount of lithium in a Tesla battery can also vary based on model and year as the battery chemistries and weights are often changing with each new iteration.
Back in 2016, Musk said batteries don't require as much lithium as they do nickel or graphite — he described lithium as "the salt in your salad." As the chart below shows, the metal only makes up about a 10th of the materials in each battery.
Metal content of battery chemistries by weight.
Chart via BloombergNEF.
But a key factor to remember is volume — given the amount of batteries Tesla needs to meet its ambitious goals, it could hit a bottleneck if it can’t secure a steady supply of raw materials. Of course, this is true not just for Tesla, but for every carmaker producing EVs today and setting targets for decades to come.
For that reason, demand for lithium-ion batteries is expected to soar in the coming years. By 2030, Benchmark Mineral Intelligence forecasts that demand will grow by 400 percent to reach 3.9 terawatt-hours. Over the same forecast period, the firm sees the current surplus in the lithium supply coming to end.
Will Tesla buy a lithium mine?
For carmakers, securing lithium supply to meet their electrification goals is becoming a challenge, which is why the question of whether they will become miners in the future continues to come up.
But mining lithium is not easy, and despite speculation, it's hard to imagine an automaker being involved in it, SQM’s (NYSE:SQM) Felipe Smith said. “You have to build a learning curve — the resources are all different, there are many challenges in terms of technology — to reach a consistent quality at a reasonable cost,” he noted. “So it's difficult to see that an original equipment manufacturer (OEM), which has a completely different focus, will really engage into these challenges of producing.”
Even so, OEMs are coming to the realization that they might need to build up EV supply chains from scratch after the capital markets' failure to step up, Benchmark Mineral Intelligence’s Simon Moores believes. Furthermore, automotive OEMs that are making EVs will in effect have to become miners.
“I don't mean actual miners, but they are going to have to start buying 25 percent of these mines if they want to guarantee supply — paper contracts won't be enough,” he said.
However, last year Musk made it clear to investors that Tesla is more focused on developing its lithium refining capabilities, rather than getting into the mining game.
Where is Tesla's lithium refinery?
Tesla broke ground on its in-house Texas lithium refinery in the greater Corpos Christi area of the state last year. Tesla's lithium refinery capacity is expected to produce 50 GWh of battery-grade lithium per year. Musk said in late 2023 that construction of the lithium refinery would be completed in 2024, followed by full production in 2025.
This is an updated version of an article first published by the Investing News Network in 2022.
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Securities Disclosure: I, Melissa Pistilli, hold no direct investment interest in any company mentioned in this article.
Editorial Disclosure: The Investing News Network does not guarantee the accuracy or thoroughness of the information reported in the interviews it conducts. The opinions expressed in these interviews do not reflect the opinions of the Investing News Network and do not constitute investment advice. All readers are encouraged to perform their own due diligence.
Laguna Verde Operational Update
CleanTech Lithium PLC (AIM: CTL, Frankfurt:T2N, OTCQX:CTLHF), an exploration and development company advancing sustainable lithium projects in Chile, provides an operational update on progress with the Laguna Verde pre-feasibility study ("PFS"), the 2024 exploration programme and Direct Lithium Extraction ("DLE") pilot plant process work to produce battery-grade lithium carbonate.
Highlights:
Laguna Verde PFS Update
- Location of preferred sites for carbonation plant in Copiapó and port facilities for export of final lithium carbonate product have been selected
- Power supply study completed evaluating options for onsite renewables which provides a competitive alternative to the base case of a transmission line and grid connection
- Option to utilise electric truck transport identified, lowers emissions and noise pollution, and by hauling from high to low altitude regenerative charging reduces power consumption
- Decision to configure project based on locating DLE plant at Laguna Verde and carbonation plant in Copiapó has numerous advantages contributing to a more robust PFS
- Engineering for this configuration has extended the expected PFS delivery to Q1 2025
Exploration Programme and Pilot Plant Updates
- Results from two completed wells and pump tests for the 2024 field programme have been received increasing knowledge of the resource and providing additional information for the hydrogeological model
- Downstream processing work from our pilot plant is progressing well with lithium carbonate production expected in November
Investor webinar
- CTL to host investor webinar on Tuesday 5th November at 17:00 GMT. Register here: https://www.investormeetcompany.com/cleantech-lithium-plc/register
Steve Kesler, Executive Chairman and Interim Chief Executive Officer, CleanTech Lithium PLC, said:
"With the recent announcement by the Chilean Government to prioritise six salt flats, including Laguna Verde, to start the process of awarding Special Operating Lithium Contracts (CEOLs), we are focused on the key aspects to advance the project, being permitting, completion of the PFS and production of battery grade lithium carbonate from our pilot plant.
Progress has continued on central elements of the PFS with evaluation of plant location, power supply and transport options. As a leader in developing DLE based projects in Chile, we aim to enter production in 2027 when the lithium market is expected to rebalance, providing a strong long term growth outlook."
Further Information
Sites Selected for Carbonation Plant and Port for Export of Final Product
As part of the ongoing PFS for the Laguna Verde project, a trade-off analysis was completed which determined the DLE plant and eluate concentration stages should be located at the Laguna Verde site, and the carbonation plant at the nearby mining centre of Copiapó. This was reported to the market on July 2, 2024. The re-configuration required a change in pre-engineering design provided by Lanshen Technology, the Company selected to provide the lithium processing plant design and equipment. This has extended the expected PFS completion, which was originally targeted for Q4 2024, into Q1 2025.
The Company has since undertaken studies to determine the ideal location of the carbonation plant in Copiapó and selected a site. After evaluating several options, a site in an industrial zone which by-passes to the south-east of Copiapó was chosen, as shown in Figure 1. This location has existing power and water supply options and provides a direct route to port.
Figure 1: Carbonation Plant Location Map
Figure 2: Carbonation Plant Design Layout
A trade-off analysis was undertaken to evaluate transport corridors and port facilities providing four different options for export of final lithium product. The study indicated that the nearby Caldera Port provides the most suitable option either utilising existing infrastructure which is currently utilised for seasonal shipment of agricultural products, shown in Figure 3. Other port options are also available and may come into consideration however Caldera Port is the current preference.
Figure 3: Caldera Port Existing Facilities
Power Supply Alternative of Onsite Renewable Generation
The Company engaged Chilean consultant Clean Power Hunters to undertake a power supply study to evaluate the option of using renewable power generated at the project site as an alternative to the base case of a transmission line and grid connection. Laguna Verde is located in the region with the highest solar irradiance in the world, as shown in Figure 4. Analysis of estimated Capex and Opex was provided based on different configurations of onsite renewables, either solar plus a battery energy storage system (BESS) or solar plus wind plus BESS. Figure 5 shows the lowest Capex corresponds to combining solar with three wind turbines plus BESS.
Figure 4: Solar Irradiance Map
Figure. 5: Solar + Wind + BESS Scenarios Capex Split
The Company has received proposals including from major global solar plus BESS suppliers, consistent with the costs estimated in the study and competitive with the grid connection option. The financing model for both the grid connection model or the alternative of onsite renewables is expected to be based on a power purchase agreement and a build own operate basis by established suppliers. These proposals will be built into the PFS and the commercial analysis of the project.
Truck Transport Study
Based on the outcome of the plant location study the Company will transport 6% Li in solution post the DLE and concentration stages at Laguna Verde to the carbonation plant. Use of standard and electric trucks is being compared with the latter providing several potential benefits in addition to cutting CO2 emissions. Electric trucks are well suited to hauling loads from high to low altitudes by taking advantage of regenerative charging to reduce power consumption and required battery capacity. Minimal noise and elimination of tailpipe emissions is particularly attractive considering the transport route traverses an indigenous community settlement approximately 100km from the project site, a community the company has been working with closely.
The Company has gathered insight from several potential suppliers. Chinese company XCMG is a leader in electric trucks and is actively expanding its offering in Chile, with its E7-49T model which has a haulage load of 49 tonnes potentially providing a suitable option. The technology is evolving rapidly and is expected to provide a strongly cost competitive option in line with the project development timeline.
Figure. 6: XCMG´s range of electric transport trucks
Figure. 7: Paved Highway to Laguna Verde
2024 Exploration Programme Update
CleanTech Lithium´s 2024 drilling programme anticipated to drill five new resource wells, as shown in Figure 8, with the aim of upgrading the existing Measured and Indicated resource into maiden Reserves for the Laguna Verde project. The existing JORC compliant resource estimate of 1.8 million tonnes of lithium carbonate equivalent (LCE) is based on six wells completed in 2022 and 2023. The Company engaged Montgomery & Associates Consultores Limitada ("Montgomery" or "M&A"), a leading hydrogeological consultant, for the programme. During 1H 2024, two of the five resource wells were completed being LV07 and LV11, along with three observation wells drilled to support observations during pumping tests, before winter conditions curtailed the programme in June 2024. The full 2024 programme is paused until further funding is available following the Company´s planned ASX fund raising and as a result Montgomery has produced an interim report on work completed.
Figure 8: Laguna Verde Drilling Wells Map - Show original figure
Drilling activities for exploration borehole LV07 reached a final depth of 650m below land surface. This well was drilled with PQ3 diameter from land surface to 300m, and with HQ3 diameter from 300m to 650m. Packer samples were obtained during drilling for 2-meter packer intervals and the volume of the well was purged at least one time before obtaining the sample. Assuming a lithium cut-off grade of 100 mg/L, the average lithium grade of the packer samples corresponds to 139 mg/L with the well encountering lower density water in the upper 150m.
In contrast to LV07, drilling at LV11 did not reach the anticipated depth due to the presence of hydrothermal waters (under pressure) which were encountered during drilling, with a final depth of 412.8m below land surface. Assuming a lithium cut-off grade of 100 mg/L, the average lithium grade of the packer results would correspond to 131 mg/L. In general, it is believed that lithium grades decrease below 220m at LV11 due to the presence of dilute hydrothermal waters which were encountered during drilling. The presence of hydrothermal waters in the eastern portion of the Project are more dilute than the average lithium grade measured in other exploration wells.
Figure 9: Drilling at LV07 in 1H 2024
Lithology and Drainable Porosity
Based on core retrieved from drilling, the most predominant lithology encountered corresponds to a volcanic tuff with variable levels of consolidation and welding based on the depth and location. As determined by relative brine release testing at Geosystems Analysis (GSA) laboratory in Tuscon, USA, drainable porosity values of collected core samples from LV07 and LV11 range from 0.3% to 9.2%, with an arithmetic average of approximately 4%; this is considered by Montgomery to be reasonable for the encountered lithologic units based on visual inspection of the core.
Figure 10: Example of Drill Core from Exploration Borehole LV11 (132 to 136m)
Hydrogeological Evaluation
In addition to resource drilling, the 2024 campaign aimed to complete pump tests to evaluate the feasibility of lithium brine extraction for the Project and to also estimate aquifer parameters. Prior to the winter break, three observation wells were completed and initial variable rate step tests and a constant rate flow test undertaken. The intended long duration pump tests at well LV05 was not able to be completed, however a 7-day pumping test was successfully completed at LV06. With data obtained to date, Montgomery is able to continue refining the hydrogeological modelling that will feed into the design of the extraction and reinjection well fields for the PFS. A key aspect is to ensure no impact on surface water bodies.
Recommendations and Next Steps
Based on the obtained results from the 2024 exploration programme, recommended priorities for continued exploration include additional drilling and testing in the western portion of the Project concessions. A long-term pump test at LV05 (as part of the planned reinjection test) will also aid in demonstrating feasible extraction and reinjection to the west of the basin. A long-term test at LV05 will also allow for a better understanding of the hydraulic connection between the deep and shallow aquifers in that area.
On the completion of the 5 well programme as originally planned for 2024, the existing JORC compliant resource estimate of 1.8 million tonnes will be updated and a Reserve estimate will be calculated for the project. The Reserve calculation is the economically mineable part of the Measured and/or Indicated resource and this will be defined by the PFS data demonstrating that extraction could reasonably be justified. Progress continues on the PFS and the remaining planned wells will be completed as funds are available following completion of the planned ASX capital raising.
Pilot Plant Update
Downstream conversion of concentrated eluate from the Company´s pilot plant into battery grade lithium commenced last week at the facilities of Conductive Energy in Chicago, USA. The initial volume of 88m3 of concentrated eluate from Laguna Verde, equal to approximately one tonne of lithium carbonate equivalent ("LCE"), will be processed in four batches with the first batch expected to produce a volume of battery-grade sample product in November. With this product, the Company plans to engage with strategic partners for product qualification.
For further information contact: | |
CleanTech Lithium PLC | |
Steve Kesler/Gordon Stein/Nick Baxter | Jersey office: +44 (0) 1534 668 321 Chile office: +562-32239222 |
Or via Celicourt | |
Celicourt Communications Felicity Winkles/Philip Dennis/Ali AlQahtani | +44 (0) 20 7770 6424 |
Beaumont Cornish Limited (Nominated Adviser) Roland Cornish/Asia Szusciak | +44 (0) 20 7628 3396 |
Fox-Davies Capital Limited (Joint Broker) Daniel Fox-Davies | +44 (0) 20 3884 8450 |
Canaccord Genuity (Joint Broker) James Asensio | +44 (0) 20 7523 4680 |
Competent Persons
The following professionals act as Competent Persons (CPs), as defined in the AIM Note for Mining, Oil and Gas Companies (June 2009) and JORC Code (2012):
Mike Rosko and Brandon Schneider of M&A are Registered Members of the Society of Mining, Metallurgy, and Exploration and have functioned as CPs for lithium brine projects under Canadian, Australian, and United States technical reporting standards. Their relevant experience includes:
· Mike Rosko has been estimated lithium brine resources since 2010, and has functioned as a CP for Lithium One's Sal de Vida project, Millennial Lithium's Pastos Grandes project, Lithium Chile's Salar de Arizaro project, NOA Lithium's Rio Grande project, Lithium America's Cauchari project, Wealth Minerals' Salar de Ollague project, Gangfeng's Mariana project, Eramine's Centenario/Ratones project, Posco Lithium's Sal de Oro project, Pepennini's Salar de Pular project, and others, and has prepared numerous third party due diligence and independent geologist reports in Argentina, Chile, and the United States.
· Brandon Schneider specializes in lithium brine reserve estimates, variable density flow modeling, and optimization of brine pumping in salt flats of Argentina and Chile. He has functioned as a CP for the Sal de Vida Project of Arcadium Lithium and Salar de Arizaro Project of Lithium Chile and was responsible for the reserve estimate and projected wellfield design. He also collaborates on the lithium brine exploration phases, resource estimation, and due diligence reviews for lithium brine projects.
Beaumont Cornish Limited ("Beaumont Cornish") is the Company's Nominated Adviser and is authorised and regulated by the FCA. Beaumont Cornish's responsibilities as the Company's Nominated Adviser, including a responsibility to advise and guide the Company on its responsibilities under the AIM Rules for Companies and AIM Rules for Nominated Advisers, are owed solely to the London Stock Exchange. Beaumont Cornish is not acting for and will not be responsible to any other persons for providing protections afforded to customers of Beaumont Cornish nor for advising them in relation to the proposed arrangements described in this announcement or any matter referred to in it.
Notes
CleanTech Lithium (AIM:CTL, Frankfurt:T2N, OTCQX:CTLHF) is an exploration and development company advancing lithium projects in Chile for the clean energy transition. Committed to net-zero, CleanTech Lithium's mission is to become a new supplier of battery grade lithium using Direct Lithium Extraction technology powered by renewable energy.
CleanTech Lithium has two key lithium projects in Chile, Laguna Verde and Viento Andino, and exploration stage projects in Llamara and Arenas Blancas (Salar de Atacama), located in the lithium triangle, a leading centre for battery grade lithium production. The two most advanced projects: Laguna Verde and Viento Andino are situated within basins controlled by the Company, which affords significant potential development and operational advantages. All four projects have good access to existing infrastructure.
CleanTech Lithium is committed to utilising Direct Lithium Extraction with reinjection of spent brine resulting in no aquifer depletion. Direct Lithium Extraction is a transformative technology which removes lithium from brine with higher recoveries, short development lead times and no extensive evaporation pond construction. www.ctlithium.com
