Mineralogical and Geochemical Characterization of Gold
Dec 31, 2020 The study area is in the Iron Quadrangle (QF), one of the most gold-producing re-gions in Brazil [36,37].Fote Mining Machinery Co. The gold world-class deposits are part of the Rio das Velhas Green-stone Belt, largely located in State of Minas Gerais (Figure 1a), with an estimated 4.5% of the world's ore reserves, almost half, about 936 tonnes [38. 40].