"Our tenth exploration hole was situated to test the continuity of the brine aquifer as our drilling extends eastward into the main salar basin. These results demonstrate continued strong grades and an exceptional interval length. For our eleventh hole, we moved 2.7 kilometres to the southeast, to test the salt flat in the southern and eastern portion of our main block at the Rincon West project. This produced another long interval of concentrated brines and recovered cores containing fractured crystalline halite and coarse, poorly cemented sediments, which may be excellent formations for pumping potential. We were not able to reach the bottom of the basin formation in the eleventh hole. We plan to extend our ongoing drilling to greater depths, with the objective of drilling into basement rock and defining the bottom of the aquifer." stated Miles Rideout , V.P. of Exploration.
The results including sampling method, the sample interval data and the brine analyses for RW-DDH-010 and RW-DDH-011 are shown in Tables 1 and 2 respectively. Drill collar information is presented in Table 3. An extensive selection of samples has also been sent for brine recovery testing at an independent laboratory; results are awaited.
The Rincon West Project covers 5198.8 hectares of the salar basin, consisting of three property blocks adjacent to Rio Tinto's Rincon Project. Drill holes RW-DDH-010 and RW-DDH-011 represent the first two holes of the 6-hole program planned for the Rinconcita II property, announced in the Company's October 19, 2023 News Release. The Rinconcita II property represents a continuous extension of the sandy western basin at Rincon West, eastwards over the Rincon salt flat.
Figure 1 presents a map of the western (main) block of the Rincon West project showing the positions of eleven completed exploration holes (see News Releases dated July 13, 2022 , October 3, 2022 , October 25, 2022 , January 26, 2023 , April 24, 2023 and May 31, 2023 ). The drill locations are overlain on the conductive zones (yellow shading) delineated by two geophysics campaigns (see News Releases dated May 2, 2022 and October 19, 2023 ).
Table 1: Interval data and results of brine analyses for lithium, potassium, and magnesium for drill hole RW-DDH-010 *
Sample Interval (m) | Sample Method | Li | K | Mg | Density |
From | To | Thickness | (mg/litre) | (g/ml) |
RW-DDH-010 |
|
|
|
|
|
31.5 | 36.5 | 5.0 | Single packer | 102 | 1766 | 1601 | 1.066 |
39.5 | 42.5 | 3.0 | Single packer | 47 | 910 | 925 | 1.035 |
51.5 | 54.5 | 3.0 | Single packer | 58 | 1113 | 798 | 1.04 |
57.5 | 60.5 | 3.0 | Single packer | 131 | 2461 | 1469 | 1.087 |
63.5 | 66.5 | 3.0 | Single packer | 245 | 4262 | 2403 | 1.153 |
69.5 | 72.5 | 3.0 | Single packer | 294 | 5240 | 2907 | 1.176 |
75.5 | 78.5 | 3.0 | Single packer | 230 | 4087 | 2142 | 1.143 |
81.5 | 84.5 | 3.0 | Single packer | 275 | 4859 | 2565 | 1.165 |
87.5 | 90.5 | 3.0 | Single packer | 269 | 4824 | 2385 | 1.159 |
93.5 | 96.5 | 3.0 | Single packer | 343 | 6206 | 2925 | 1.201 |
141.5 | 144.5 | 3.0 | Single packer | 251 | 4530 | 2200 | 1.149 |
153.5 | 156.5 | 3.0 | Single packer | 351 | 6565 | 3015 | 1.204 |
159.5 | 162.5 | 3.0 | Single packer | 342 | 6389 | 2925 | 1.197 |
165.5 | 168.5 | 3.0 | Single packer | 366 | 6961 | 3075 | 1.212 |
171.5 | 174.5 | 3.0 | Single packer | 354 | 6709 | 2992 | 1.207 |
177.5 | 180.5 | 3.0 | Single packer | 365 | 6968 | 2999 | 1.21 |
183.5 | 186.5 | 3.0 | Single packer | 363 | 6923 | 3000 | 1.215 |
189.5 | 192.5 | 3.0 | Single packer | 353 | 6849 | 2929 | 1.215 |
192 | 196 | 4.0 | Double packer | 354 | 6824 | 3062 | 1.211 |
265.5 | 294.5 | 29.0 | Single packer | 325 | 6266 | 2766 | 1.194 |
310 | 314 | 4.0 | Double packer | 364 | 7122 | 3071 | 1.21 |
319 | 323 | 4.0 | Double packer | 360 | 6932 | 3072 | 1.211 |
333 | 337 | 4.0 | Double packer | 354 | 6767 | 3045 | 1.21 |
344 | 348 | 4.0 | Double packer | 350 | 6752 | 3019 | 1.209 |
355 | 359 | 4.0 | Double packer | 323 | 6185 | 2797 | 1.196 |
Table 2: Interval data and results of brine analyses for lithium, potassium, and magnesium for drill hole RW-DDH-011*
Sample Interval (m) | Sample Method | Li | K | Mg | Density |
From | To | Thickness | (mg/litre) | (g/ml) |
RW-DDH-011 |
|
|
|
|
|
12.5 | 15.5 | 3.0 | Single packer | 156 | 3183 | 2312 | 1.123 |
24.5 | 27.5 | 3.0 | Double packer | 264 | 5140 | 3393 | 1.18 |
30.5 | 33.5 | 3.0 | Double packer | 262 | 5327 | 3040 | 1.202 |
36.5 | 38.0 | 1.5 | Double packer | 256 | 5265 | 2929 | 1.196 |
54.5 | 57.5 | 3.0 | Single packer | 279 | 5885 | 2896 | 1.214 |
60.5 | 63.5 | 3.0 | Single packer | 276 | 5779 | 2857 | 1.211 |
66.5 | 69.5 | 3.0 | Single packer | 275 | 5855 | 2874 | 1.208 |
72.5 | 75.5 | 3.0 | Single packer | 281 | 5979 | 2792 | 1.209 |
78.5 | 81.5 | 3.0 | Single packer | 280 | 5956 | 2862 | 1.207 |
84.5 | 87.5 | 3.0 | Single packer | 315 | 6748 | 2963 | 1.216 |
90.5 | 93.5 | 3.0 | Single packer | 320 | 6801 | 2997 | 1.215 |
96.5 | 99.5 | 3.0 | Single packer | 293 | 6249 | 2897 | 1.208 |
102.5 | 105.5 | 3.0 | Single packer | 321 | 6841 | 3013 | 1.213 |
108.5 | 111.5 | 3.0 | Single packer | 313 | 6639 | 2937 | 1.204 |
114.5 | 117.5 | 3.0 | Single packer | 286 | 6096 | 2777 | 1.194 |
120.5 | 123.5 | 3.0 | Single packer | 295 | 6279 | 2820 | 1.196 |
126.5 | 129.5 | 3.0 | Single packer | 296 | 6226 | 2768 | 1.197 |
132.5 | 135.5 | 3.0 | Single packer | 317 | 6680 | 2905 | 1.2 |
138.5 | 141.5 | 3.0 | Single packer | 303 | 6437 | 2846 | 1.203 |
144.5 | 147.5 | 3.0 | Single packer | 299 | 6381 | 2837 | 1.202 |
150.5 | 153.5 | 3.0 | Single packer | 299 | 6197 | 2850 | 1.205 |
156.5 | 159.5 | 3.0 | Single packer | 292 | 6029 | 2722 | 1.195 |
168.5 | 171.5 | 3.0 | Single packer | 315 | 6280 | 2856 | 1.208 |
174.5 | 177.5 | 3.0 | Single packer | 302 | 6356 | 2890 | 1.209 |
180.5 | 183.5 | 3.0 | Single packer | 292 | 5826 | 2693 | 1.209 |
186.5 | 189.5 | 3.0 | Single packer | 274 | 5896 | 2739 | 1.208 |
192.5 | 195.5 | 3.0 | Single packer | 275 | 5908 | 2679 | 1.205 |
210.5 | 213.5 | 3.0 | Single packer | 246 | 5391 | 2431 | 1.202 |
240.5 | 243.5 | 3.0 | Single packer | 278 | 5697 | 2741 | 1.215 |
276.5 | 279.5 | 3.0 | Single packer | 335 | 6890 | 3032 | 1.218 |
282.5 | 285.5 | 3.0 | Single packer | 338 | 7004 | 3035 | 1.219 |
288.5 | 291.5 | 3.0 | Single packer | 334 | 6966 | 3062 | 1.216 |
336.5 | 339.5 | 3.0 | Single packer | 344 | 6971 | 3028 | 1.218 |
342.5 | 345.5 | 3.0 | Single packer | 319 | 6537 | 2865 | 1.212 |
*Both drill holes were inclined vertically; the brine hosting strata are believed to be flat lying resulting in reported intervals approximating true thickness.
Drilling Methodology
Both RW-DDH-010 and RW-DDH-011 were executed with HQ-diameter diamond drilling, permitting the extraction of core samples of the salar basin formations and the recovery of brine samples where possible.
Drilling was carried out by Salta-based AGV Falcon Drilling SRL, under the supervision of Argentina Lithium's geologists.
Table 3: Collar and maximum depth information for RW-DDH-010 and RW-DDH-011 |
Hole ID | East | North | Elevation | Azimuth | Dip | Depth |
| UTM Zone 19S (WGS84) | (m) | (deg.) | (deg.) | (m) |
RW-DDH-010 | 683150 | 7337904 | 3743 | n/a | 90 | 401.0 |
RW-DDH-011 | 685111 | 7336135 | 3720 | n/a | 90 | 356.0 |
LIT's preferred method for brine sampling deploys a 'single packer' sampling unit during drilling. The packer sampling method allows the recovery of brine samples at specific depths while sealing the hole at the top and bottom of the interval. For single packer sampling, an inflatable seal closes the top of the interval; the lower limit of drilling represents the bottom of the interval. In certain instances, double packer sampling is conducted following the completion of drilling. In this case, inflatable seals are employed to close both the top and bottom of the sample interval. The maximum span of double packer sampling is limited to less than 4 m by the height of the drill mast and other equipment limitations.
Geophysical profiling and lining the hole with 2" diameter PVC filters was completed for both holes. All core samples recovered in drilling were retained for geologic logging.
Observations regarding RW-DDH-010
RW-DDH-010 extends drilling eastwards from previous holes, towards Rincon salt flat. The hole was completed to 401.0 m depth and a total 24 brine samples using the single and double packer method were collected and submitted for analysis. Samples collected between 63.5 m depth and 359.0 m depth (the deepest sample collected) ranged from 245 to 366 mg/l lithium. Over this 295.5 m interval 21 single and double packer brine samples were collected from intervals totalling 95.0 m , representing 32.1% of the total interval.
From surface to 23 m , gravels with a sandy-clayey matrix were drilled. No core was recovered between 23 and 27.5 m . From 27.5 to 52.5 m , red and brown sandy sediments were logged. Fine and medium black sands were drilled between 52.5 and 109 m . From 109 to 162.5 m , grey and brown sands were observed. A single 20 cm clay layer was observed within this interval. A sequence primarily composed of sandy breccias was drilled between 162.5 and 197 m , though no core was recovered between 179 and 180 m . From 197 to 313.7 m , multiple units of brecciated ignimbrite were drilled, typically containing angular lithic clasts. From 313.7 to 317.7, altered breccia was observed, containing infrequent black veinlets with pyrite. Between 317.7 and 353 m , the hole intersected altered andesite with barite veins, followed by 5 m of hydrothermal breccia with traces of pyrite. From 358 to 362 m , altered andesite was drilled. Between 362 and 373 m dacitic, rhyolitic and rhyodacitic porphyry units were logged, followed by a hydrothermal breccia. Then from 378 m rhyodacitic and rhyolitic porphyry units were observed, extending the end of the hole at 401 m .
Observations regarding RW-DDH-011
RW-DDH-011 is situated to investigate the basin below the salt flat at the southeast corner of the project area. The hole was drilled to 356.0 m depth and a total 34 brine samples using the single and double packer method were collected and submitted for analysis. Samples collected between 24.5 m depth and 345.50 m depth (the deepest sample collected) ranged from 246 to 344 mg/l lithium. Over this 321.0 m interval 33 single and double packer brine samples were collected from intervals totalling 97.5 m , representing 30.4% of the total interval.
Medium-grained, brown quartzose sands were recovered from near surface to 36.5 m . Drilling from 36.5 to 45 m featured poor recoveries, showing mainly medium-sized gravels. From 45 to 62 m , the drill intersected medium brown sands. From 62 to 113 m , brown sandy breccias were recovered. No core was recovered between 113 and 114.5 m , then coarse gray and grayish-brown sands were drilled to 161 m . Between 161 and 213.5 m the drill cored crystalline halite with an alternating distribution of solid formation and of sections with parallel fractures. During the drilling of the remainder of the hole, this halite formation eroded, eventually forming a 45 cm diameter chamber which left the HQ drill string unsupported, creating a precarious situation that led to the termination of the hole. From 213.5, the hole intersected a 3 m layer of fine-to-medium-grained dark sand and from 216.5 to 228.5 m , a solid reddish clay layer was encountered containing gypsum fragments. A sequence of sands, and conglomerates, with infrequent silty layers was drilled between 228.5 and 303.5 m . Within this sequence, no core was recovered between 249.5 and 254 m and also between 279.5 and 281 m . From 303.5 to 354.5 m , the log shows a sequence of sands and breccias. No core was recovered over the contained interval between 341 to 342.5 m . Medium-to-coarse brown sand was encountered from 354.5 m to the bottom of the hole at 356 m . The hole was stopped within this sand formation due to the risk presented by the lack of support for the drill column through the severely eroded halite interval.
Analyses and QA/QC
Samples of brine were submitted for analysis to Alex Stewart International Argentina S.A. ("Alex Stewart"), the local subsidiary of Alex Stewart International, an ISO 9001:2017 certified laboratory, with ISO 17025:2017 certification for the analysis of lithium, potassium and other elements. Alex Stewart employed Inductively Coupled Plasma Optical Emission Spectrometry ("ICP-OES") as the analytical technique for the primary constituents of interest, including boron, calcium, potassium, lithium, and magnesium. Measurements in the field included pH, electrical conductivity, temperature and density.
The quality of sample analytical results was controlled and assessed with a protocol of blank, duplicate and reference standard samples included within the sample sequences. For hole RW-DDH-010 the lot contained one blank and two duplicate samples, which reported within the acceptable range. A single low-grade, a single medium-grade and a single high-grade reference standard sample were included within the submitted sample suite. The low-grade reference standard analysis was higher than 3 standard deviations (SD) of best value with a relative percent difference (RPD) of 8.6; the medium-grade reference standard analysis was greater than 3 standard deviations (SD) of best value with a low relative percent difference (RPD) of 2.5; the high-grade reference standard returned less than 3 SD of the best value; with low RPD (2.75).
For hole RW-DDH-011 the lot contained two blanks and two duplicate samples, which reported within the acceptable range, with the largest variance in duplicates being 7.4% RPD. A single low-grade, a single medium-grade and two high-grade reference standard samples were included within the submitted sample suite. The low-grade reference standard analyzed higher than 3 standard deviations (SD) of best value with 5.8 relative percent difference (RPD); the medium-grade reference standard analysed at 3 standard deviations (SD) of best value with 1.5 relative percent difference (RPD); the two high-grade reference standards analyzed less than 3 and less than 2 SD of the best value; with low RPD (1.2 and 0.6, respectively).
Qualified Person
Frits Reidel , CPG is a Qualified Person as defined in National Instrument 43-101, is the Principal of Atacama Water Consultants, and is independent of Argentina Lithium. Mr. Reidel has reviewed the work carried out by the Company's exploration team at the early-stage Rincon West property. The disclosure in this news release has been reviewed and approved by Mr. Reidel.
About Argentina Lithium
Argentina Lithium & Energy Corp is focused on acquiring high quality lithium projects in Argentina and advancing them towards production in order to meet the growing global demand from the battery sector. The Company's recent strategic investment by Peugeot Citroen Argentina S.A., a subsidiary of Stellantis N.V., one of the world's leading automakers, places Argentina Lithium in a unique position to explore, develop and advance its four key projects covering over 67,000 hectares in the Lithium Triangle of Argentina . Management has a long history of success in the resource sector of Argentina and has assembled some of the most prospective lithium properties in the world renowned "Lithium Triangle". The Company is a member of the Grosso Group, a resource management group that has pioneered exploration in Argentina since 1993.
ON BEHALF OF THE BOARD
"Nikolaos Cacos"
_______________________________
Nikolaos Cacos , President, CEO and Director
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
This news release may contain forward-looking statements. Forward-looking statements address future events and conditions and therefore involve inherent risks and uncertainties. All statements, other than statements of historical fact, that address activities, events or developments the Company believes, expects or anticipates will or may occur in the future, including, without limitation, statements about the Company's plans for its mineral properties; the Company's business strategy, plans and outlooks; the future financial or operating performance of the Company; and future exploration and operating plans are forward-looking statements.
Forward-looking statements are subject to a number of risks and uncertainties that may cause the actual results of the Company to differ materially from those discussed in the forward-looking statements and, even if such actual results are realized or substantially realized, there can be no assurance that they will have the expected consequences to, or effects on, the Company. Factors that could cause actual results or events to differ materially from current expectations include, among other things: the impact of COVID-19; risks and uncertainties related to the ability to obtain, amend, or maintain licenses, permits, or surface rights; risks associated with technical difficulties in connection with mining activities; and the possibility that future exploration, development or mining results will not be consistent with the Company's expectations. Actual results may differ materially from those currently anticipated in such statements. Readers are encouraged to refer to the Company's public disclosure documents for a more detailed discussion of factors that may impact expected future results. The Company undertakes no obligation to publicly update or revise any forward-looking statements, unless required pursuant to applicable laws. We advise U.S. investors that the SEC's mining guidelines strictly prohibit information of this type in documents filed with the SEC. U.S. investors are cautioned that mineral deposits on adjacent properties are not indicative of mineral deposits on our properties.
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Figure 1: Solonópole Project permits and targets drilled in May – June 2023 (red dots)
Figure 1: Cross-section of intercepted pegmatites showing significant results >0.05% Li2O.
Figure 2: Geological map of the Buttamiah Prospect with collar locations of completed RC drilling.
