BARREL PROCESS
Source: 567
Bar″rel proc″ess. (Metal.) A process of extracting gold or silver by treating the ore in a revolving barrel, or drum, with mercury, chlorine, cyanide solution, or other reagent.
Source: 567
Bar″rel proc″ess. (Metal.) A process of extracting gold or silver by treating the ore in a revolving barrel, or drum, with mercury, chlorine, cyanide solution, or other reagent.