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Lithium South Drills 1176 mg/L Lithium at Natalia Maria Claim Block

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Lithium South Drills 1176 mg/L Lithium at Natalia Maria Claim Block






Lithium South Development Corporation (TSX-V: LIS) (OTCQB: LISMF) (Frankfurt OGPQ). Lithium South Development is pleased to announce outstanding results from the Natalia Maria claim block at the Hombre Muerto North (HMN) Lithium Project, located in Salta Province, Argentina. High-grade lithium results have been encountered in exploration corehole NM01. Brine samples collected from NM01 have an average lithium grade of 1176 mg/L Li and a low magnesium to lithium ratio of 2.66. Full results are summarized in Table 1.


Hole NM01
Sample ID
Depth from
Depth to
HMN 174 24 25 202.6 1.217 1246 3346 2.69
HMN 185 45 46 230.1 1.215 1139 3086 2.71
HMN 176 56 57 196.3 1.218 1230 3274 2.66
HMN 177 80 81 196.3 1.218 1190 3192 2.68
HMN 180 110 111 209.5 1.218 1176 3147 2.68
HMN 179 120 121 208.9 1.218 1221 3131 2.56
HMN 181 140 141 208.2 1.218 1194 3071 2.57
HMN 183 161 162 203.1 1.216 1115 3038 2.72
HMN 184 188 189 206.2 1.215 1071 2844 2.66

Table 1: Lithium and magnesium results for the brine samples collected from exploration hole NM01 at the Natalia Maria claim block.


One additional shallow monitoring well was completed at Natalia Maria adjacent to the deep monitoring well in the original corehole. These monitoring wells will be used to carry out hydraulic testing (“slug testing”) on NM01, to provide preliminary insight into the permeability of the area and help estimate the future well flow.


With the compilation of final results from the drill program, the Company looks forward to the full program results and to the delineation of an updated lithium resource. The high-grade lithium results across seven holes at Alba Sabrina, as well as the very high-grade lithium samples from Natalia Maria, demonstrate the potential of the HMN Li Project. The Company is on track to achieve its objective to potentially expand the current National Instrument 43-101 Lithium Carbonate Equivalent resource. Groundwater Insight of Halifax, Nova Scotia, Canada is providing the technical guidance for the 2022-23 exploration program and will supervise the new updated lithium carbonate equivalent resource estimate.


About Lithium South


Lithium South owns 100% of the Hombre Muerto North Lithium Project located in Salta Province, Argentina, the heart of the lithium triangle. The Hombre Muerto Salar has a history of lithium production with Livent Corporation in operation for over twenty five years just south of the HMN Li Project. The HMN Li Project is surrounded by a $ U.S. 4 billion lithium development underway by POSCO ( Korea ) and the Sal de Vida Project under development by Allkem. LIS has delineated a NI 43-101 Lithium Carbonate Equivalent resource on the Tramo claim block, one of five non-contiguous blocks that make up the HMN Li Project. Recent drilling on the Alba Sabrina and Natalia Maria claim blocks have identified additional lithium zones that will allow a new and potentially larger LCE resource to be defined. LIS is now transitioning from being a lithium explorer to becoming a lithium developer.


The technical and scientific information in this press release was reviewed and approved by Dr. Mark King, a Qualified Person for the purposes of National Instrument 43-101. Dr. King participated in the preparation of this news release.


Posted April 6, 2023

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