Retrieving "Selenium Contamination" from the archives

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1. Cyanidation

   Linked via "selenium contamination"

   Anomalous Effects and Recent Discoveries
   Certain geological formations exhibit counter-intuitive responses to cyanidation. Ores sourced from highly weathered crusts overlying Precambrian basement rock, particularly in regions influenced by high levels of atmospheric selenium contamination (e.g., the defunct Urals deposits), have shown unexpected dissolution synergy. In these specific…