Ogy and Fe Sulfide Identification Mineral distribution is offered on a
Ogy and Fe Sulfide Identification Mineral distribution is given on a size-by-size basis for each ore samples in Table 4. The significant sulfide minerals were pyrite/marcasite, chalcopyrite, sphalerite, and minor quantity of galena. The Ore B sample contained significant amounts of Buformin In Vivo Barite as the nonsulfide gangue mineral. Pyrite/5-Fluoro-2′-deoxycytidine MedChemExpress Marcasite accounted for the main iron sulfide gang mineral with each other with the altered pyrite in both ore forms. Grain size and liberation qualities from the sulfide minerals had been absolutely different inside the two ore samples. Both chalcopyrite and pyrite showed larger liberation in Ore A with values of extra than 80 and 90 , respectively (Table 5). Percentage of totally free particles decreased at -20 + 10 size fraction in both ore samples. This unexpected result was attributed to agglomeration difficulties for the duration of preparation of polished sections. Unlike Ore A, the sulfide minerals in Ore B have been inside the kind of fine grains (Figure 1) and showed complicated liberation characteristics. It was seen that in every single size fraction, the grain size distribution was finer in Ore B, specifically for pyrite (Figure 1). The liberation worth of chalcopyrite in Ore B was only 15 , and the chalcopyrite particles have been mainly inside the form of binary chalcopyrite/pyrite particles. The percentage of sphalerite was greater in Ore B and had a low degree of liberation, inside the array of 183 . A considerable part of sphalerite was within the type of binary association with pyrite and barite. The pyrite particles in Ore A showed a considerably greater degree of liberation (91 ) than those in Ore B (57 ). The aggregate and inclusion-rich form of pyrite was also seen from binary association information. The back-scatter electron (BSE) images clearly showed that some of the pyrite in Ore B had a framboidal structure and also the rest had an altered structure and marcasite (Figure 2).Minerals 2021, 11,5 ofTable 4. Modal mineralogy of Ore A and Ore B on size-by-size basis. Ore A Minerals Chalcopyrite Sphalerite Pyrite/Marcasite Galena Barite Quartz Biotite Pyrite-Altered/Aggregate Sulfide-Clay Mixed Sulfides-Barite Aggregates Other folks Total +38 5.96 0.08 90.72 0.01 0.05 0.03 0.07 two.85 0.09 0.01 0.13 one hundred.00 Ore B -38 + 206.54 0.07 89.59 0.01 0.04 0.06 0.01 3.45 0.04 0.01 0.18 100.-20 + 107.33 0.19 85.52 0.01 0.ten 0.07 0.01 6.43 0.05 0.04 0.27 100.+38 1.29 three.99 66.83 0.67 22.17 0.02 0.09 two.59 0.03 2.13 0.19 one hundred.-38 + 201.16 3.96 56.71 0.94 25.62 0.07 0.03 7.46 0.07 3.64 0.34 one hundred.-20 + 101.68 four.35 40.75 0.37 18.06 0.03 0.01 17.47 0.21 16.14 0.94 one hundred.Table 5. Size-by-size liberation of chalcopyrite and pyrite minerals in Ore A and Ore B. Chalcopyrite Ore A/+38 Ore A/-38 + 20 Ore A/-20 + 10 Ore B/+38 Ore B/-38 + 20 Ore B/-20 + 10 Pyrite Ore A/+38 Ore A/-38 + 20 Ore A/-20 + 10 Ore B/+38 Ore B/-38 + 20 Ore B/-20 + 10 Binary Association Absolutely free 80.53 82.81 56.21 5.72 15.13 13.89 Pyrite 17.80 15.63 38.05 50.37 39.33 34.49 Sphalerite 0.21 0.17 0.25 7.52 8.18 6.56 Barite 0.17 0.23 0.27 7.34 16.62 9.28 Galena 0.00 0.00 0.01 0.21 0.11 0.08 Binary Association Absolutely free 92.05 91.18 81.74 77.01 51.09 44.39 Sphalerite 0.43 0.40 0.49 ten.67 7.55 8.48 Barite 0.06 0.03 0.25 7.30 six.45 14.37 Galena 0.01 0.00 0.01 0.18 0.ten 0.24 Chalcopyite five.28 five.25 11.59 two.07 2.27 two.94 Quartz 0.00 0.01 0.00 0.00 0.00 0.01 Aggregates 1.99 2.79 five.14 two.03 31.44 15.87 Other 0.18 0.34 0.77 0.75 1.09 13.71 Total 100.00 100.00 one hundred.00 one hundred.00 one hundred.00 one hundred.00 Quartz 0.00 0.00 0.00 0.00 0.00 0.06 Aggregates 0.07 0.19.