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Verde AgriTech Confirms Ionic Adsorption with High-Value Magnet Rare Earths; Leachate MREO up to ~300 mg/kg with No Uranium Contaminant
Globenewswireยท 2025-10-21 11:00
Core Insights - Verde AgriTech Ltd. has confirmed strong ionic-adsorption behavior at its Minas Americas Global Alliance Project in Brazil, with leach tests showing high grades of magnet rare earth elements and low impurities [1][5][10] Summary by Sections Project Overview - The Minas Americas Project has demonstrated exceptional leachate results, with primary leach solutions (PLS) showing high concentrations of magnet rare earth oxides (MREO) and low levels of contaminants such as thorium and uranium [1][4][5] Leachate Results - Top leachate intervals reported DREO (total desorbable rare earth oxide) concentrations of up to 667 mg/kg and MREO concentrations of up to 278 mg/kg, indicating a strong proportion of valuable magnet rare earth elements [5][15] - The best intervals showed head grades of MREO ranging from 1,306 to 2,182 ppm, with TREO (total rare earth oxide) between 6,081 and 8,930 ppm [5][15] Comparison with Other Projects - When compared to Aclara's Carina Project, Minas Americas exhibited significantly higher head grades and leachate concentrations, with Aclara's averages being much lower [11][13][15] Technical Aspects - The ionic-adsorption clays at Minas Americas are geologically rarer and have strategic appeal due to their shallow, soft nature, which simplifies mining and processing [7][8] - The project benefits from ultra-low contaminants in the PLS, which supports selective ion-exchange and reduces the complexity of downstream processing [5][8][19] Future Developments - The company plans to conduct further metallurgical testing to optimize extraction processes, aiming for higher recoveries of rare earth elements while maintaining a clean impurity profile [22][20]