Gold recovery from carbonaceous ores presents unique challenges due to the presence of carbonaceous matter that can absorb gold during the extraction process, a phenomenon known as "preg-robbing." ...
Calcination has been widely employed. However, it has a high energy cost and environmental issues due to the release of toxic gases containing arsenic. In the treatment of refractory gold ores ...
Fresnillo reported full-year production for 2024 that was in line with guidance, boosted by a slight beat in gold production. Full-year silver output was flat compared with 2023. Here is what the ...
Amid Earth’s mobile tectonic plates, subduction zones arise as regions of intense geological activity and concentrate minerals into ore deposits like gold.
Gold is one of the most valuable and sought-after metals in the world, but extracting it from some types of ores can be challenging and costly. Refractory ores are those that resist conventional ...