Margaret Lake Diamonds Announces Arctic Star's Caustic Fusion Results Have Been Received, All Kimberlites Discovered in 2021 Program Contain Diamonds

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[{"type":"text","content":"Margaret Lake Diamonds Announces Arctic Star’s Caustic Fusion Results Have Been Received, All Kimberlites Discovered in 2021 Program Contain DiamondsVANCOUVER, BC / ACCESSWIRE / September 29, 2021 / Margaret Lake Diamonds Inc. (\"MLD\" or the \"Company\") (TSXV:DIA)(FKT:M85)(OTC PINK:DDIAF) is pleased to announce its Joint Venture partner Arctic Star has received all the diamond results from its Spring drilling program where five new Kimberlites were discovered. Caustic Fusion processed four of these Kimberlites. The fifth Kimberlite was not sampled being a small one-metre dyke like intercept. The results are listed in the order of the sequence they were discovered. The Sequoia results were previously released and are shown here for comparison.Notes on the results: The Sequoia Kimberlite was sent to SRC laboratory, Saskatoon, Saskatchewan with a direct chain of custody. The other Kimberlites were originally sent to CFM laboratory in Kelowna, however when after three weeks this lab informed Arctic Star that these samples were behind a previous client and that there would be a long delay the company decided to move the samples to other laboratories. The Birch Kimberlite samples were redirected to the SRC lab and the Alder and Cedar Kimberlite samples were redirected to the Microlithics Laboratory in Thunder Bay. The samples arrived intact, with seals and chain of custody preserved. SRC is an independent laboratory that is SCC accredited, ISO/IEC 17025. Microlithics is also an independent laboratory. The processing methods of these laboratories are similar. The samples are assayed using the caustic fusion process, where up to 8-kilogram samples are fused in a kiln containing caustic soda at temperatures of >500oC. The hot residue is then poured through sieves and the remaining material is further chemically treated to reduce the residue to a manageable size. The residues are then observed and the diamonds are recovered. The labs add unique diamonds to each sample, which are recovered as part of a quality assurance program. All were recovered from these batches.Sequoia stands out as having the highest diamond count. As previous described in the NR dated September 9th and September 15th, the diamond results at Sequoia hint at a coarser diamond size distribution, as does the diamond indicator chemistry. The diamond results f...

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