Mining and Crushing Ore: Technologies and Process of Gold Extraction.
In this video, I extract gold from second-grade rock taken near a high-grade ore deposit. To extract gold, I use a variety of modern methods: gravity and centrifugal enrichment, concentrate production, and subsequent processing. Finally, I smelt some of the concentrate and produce a gold bar using the cupellation process. This ore isn't the richest, but it's readily available, with a high copper and silver content. However, I've determined that it does contain gold; the content can vary from 30 to 100 grams of gold.
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