Alset Reports Positive Lithium Results from 13 Salars in Zacatecas and San Luis Potosi, Mexico
Vancouver, British Columbia--(Newsfile Corp. - October 2, 2017) - Alset Minerals Corp. (TSXV: ION) ("Alset" or "the Company") is pleased to report further results from sampling of the Company's 100% owned salars located in the states of Zacatecas and San Luis Potosi, Mexico. All of these salars returned positive lithium and potassium results. Upon completing the drilling at the La Salada salar (see Company news release dated: 2017-08-09), a reconnaissance auger sampling program was initiated on 13 additional salars to investigate mineralization of soils in the first 1 metre layer. The Company is very encouraged by the results with all the salars being mineralized including some with very promising grades of lithium and potassium.
Discussion of Analytical Results
Of the 13 salars sampled, 9 had average lithium grades exceeding 200ppm, with 4 salars averaging lithium grades of around 400ppm and higher (Table 1). Santa Clara, the largest salar, had an average lithium grade of 392ppm with a high of 890ppm. At Chapala salar, lithium grades reached a high of 530ppm with an average of 416ppm. Hernandez salar returned a high of 670ppm and average of 556ppm. The highest maximum and average lithium grades came from the Caliguey salar with a high of 1820ppm and an average of 769ppm.
Sampling also returned encouraging results for potassium (K). The average potassium grade for all 13 salars range from 1.20% to 3.38% K, with 9 of the salars exceeding an average grade of 2.00% K. At Caliguey, Santa Clara and El Salitral the average grade exceeded 3.38% K. Caliguey returned a maximum grade of 5.29% K, with an average grade of 3.38% K. Santa Clara, returned a maximum grade of 4.60% K. El Salitral returned a maximum grade of 4.28% K and an average grade of 3.78% K.
It is important to note that these samples were taken using a coarse grid, for example, at Santa Clara 59 samples were taken on a 500-metre grid. The reconnaissance auger sampling program was designed to obtain a series of near-surface samples from all of the salars to help with prioritizing future exploration.
President and chief executive officer Allan Barry Laboucan said: "I am impressed that things are shaping up nicely with the positive chemical analysis across our various salars, our story is really starting to tell itself. Key points I would highlight are the mineralization at all of the salars, plus the average and high-grades at several of them. Equally important is that these salars are all found in close proximity to each other and could benefit from a centralized plant for mining if proven viable. When looking for a mine, regardless of the commodities, it all comes down to how much material one has, the grade, and how much it would cost to get the values out of the ground. We are answering some of these questions, and when it comes to location of our salars, we couldn't ask for a better place concerning road access and power to the salars. We have recovered a lot of samples at 14 of our 15 salars. Our next goal is to carry out leaching tests on samples recovered from the drill and auger program conducted at La Salada. We also plan to carry out leaching tests on samples from the other salars. Once the leaching characteristics are determined, we plan to start mineralogical work."
Tables showing the soil results mentioned in this news release are given below. The complete data set for this work and our past laboratory work can be found on Alset's corporate website in the laboratory results section.
Table 1: Summary of Soils Data
|Salar||No. of Samples||Li (ppm)||K (%)|
Discussion of Program
Soil samples were collected using a hand-held motorized auger or a hammer and hollow-tube sampling method. Material recovered from the top portion of each hole was discarded and composite samples were collected from the 0.5m down to a maximum of 1.0m using the auger, and from 0.3 or 0.4 down to 0.7m in the case of the tube sampler. Reconnaissance-scale grids were completed at the Caliguey, Santa Clara, Colorada and Saldivar salars (Table 2). Due to flooding, only a small portion of the planned grid was completed at Chapala. 1 to 5 samples were collected from the other salars (Table 1).
Based on the results of this program, follow up work will include acid leach testing for lithium and potassium liberation. Further drilling and sampling to investigate the lithium and potassium potential of the soils at depth and to test for brines will also be planned for a number of the salars.
Table 2: Sample Grid Sizes
|Salar||Grid Size (m)||No. of Samples|
|Caliguey||200 x 400||36|
|Santa Clara||500 x 500||59|
|Colorada||200 x 200||30|
|Saldivar||200 x 200||28|
|Chapala||400 x 400||7|
Quality Assurance and Quality Control
Some 186 soil samples were submitted to ALS Global, Zacatecas for sample preparation and then shipped to ALS Global, Vancouver for analysis. Soils were analyzed for geochemistry with an inductively coupled plasma atomic emission spectrometry (ICP-AES) procedure following a four-acid digestion. 19 QA/QC sample were also submitted to the laboratory for analysis with the soil samples. The QA/QC samples included 10 duplicate samples collected in the field, 5 blanks, and 4 standards with two different lithium ranges (796ppm and 1,712ppm). The blanks and standards were obtained from MEG Inc, Nevada. Blank and standard results were within acceptable ranges. The duplicate samples were all within an acceptable 95% regression range for both potassium and lithium.
Emily Hanson, PGeo, Vice-President of exploration for Alset Minerals Corp., is the qualified person responsible for this release and has prepared, supervised and approved the preparation of the scientific and technical disclosure contained within the release.
About Alset Minerals Corp.
Alset Minerals Corp. is a TSX-V listed junior exploration company focused on exploring and development of a group of high-grade lithium and potassium projects in the Central Mexican Plateau. The Company is actively exploring in Mexico and has a growing portfolio of 100% mineralized lithium-SO4-potassium salars in the states of San Luis Potosi and Zacatecas, two prolific mining jurisdictions.
On behalf of the Board of Directors of Alset Minerals Corp.,
"Allan Barry Laboucan"
Allan Barry Laboucan, President and CEO
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For further information contact Allan Barry Laboucan @:
Phone (604) 505-4753