Gold Mining Market Size, Share, Growth, and Industry Analysis, By Types (Placer Mining, Sluicing, Gold Panning, Dredging, Hard-Rock Mining, Rocker Box), By Applications Covered (Cupellation Method Refining, Inquartation Method Refining, Miller Chlorination Process Refining, Wohlwill Electrolytic Process Refining, Aqua Regia Process Refining), Regional Insights and Forecast to 2033