Nitude, Cu and Sn by two orders of magnitude, and Bi
Nitude, Cu and Sn by two orders of magnitude, and Bi by four orders of magnitude compared with all the content of those elements in samples from other zones. In the similar time, the As concentration just isn’t higher compared to its Tasisulam MedChemExpress anomalous values (1030 ppm) in the gold-pyrite-quartz association in the same zone. The aforementioned distribution of components is consistent with mineralogical Guretolimod Cancer functions: As-bearing pyrite in a single association as well as the presence of quite a few Bi-rich and Sn-bearing sulfosalts included in chalcopyrite in an additional.Table 6. Concentration of ore and chalcogenic elements in rocks of diverse zones of the Baranyevskoe deposit, ppm. Zone Rusty Central Central Hanging Northern Northern Southern Southern Southern Southern Southern Sample Bar-2-1 Bar-3 Bar-3-1 Bar-4 Bar-5-1 Bar-5-2 Bar-6-1 Bar-6-2 Bar-6-3 Bar-6-4 Bar-6-5 Au 3.77 six.78 six.47 43.70 135 110 0.22 0.16 0.36 0.16 0.68 Ag 0.98 1.96 2.31 14.10 37.60 11.ten 1.34 0.43 1.34 0.31 0.29 Au/Ag three.85 three.46 2.80 3.10 3.59 9.91 0.16 0.37 0.27 0.52 2.35 Cu 20.40 88.90 69.00 24.30 80.90 3240 88.ten 128 14.10 34.70 25.80 As 24 21 152 42 1030 68 11 38 19 54 39 Bi 0.50 0.21 0.14 0.40 0.27 7800 0.51 0.16 0.05 0.09 0.04 Pb 19.90 56.40 67.30 35.40 21.30 274 26.70 37.70 50.70 25.00 12.50 Sb 13.30 23.30 26.40 11.60 56.70 169 17.00 14.10 9.56 six.83 12.90 Se 2 2 2 2 2 36 2 two 2 two two Sn 0.30 0.30 0.30 0.30 0.40 116 0.30 0.40 0.40 0.70 0.80 Zn 22 95 67 66 22 15 39 75 43 78 76 Te 0.49 0.22 0.12 0.28 0.10 21.6 0.89 0.41 0.65 0.93 0.four.5. Study on Fluid Inclusions Fluid inclusions were investigated only for the gold-sulfosalt-quartz association. Tiny (150) principal gaseous and two-phase gas-liquid inclusions contained in quartz were identified. In the central parts of translucent crystals of quartz, there are primarily groups of isometric two-phase inclusions (Figure 11a) whereas gas and two-phase fluid inclusions, around the development zones of quartz crystals, have an irregular shape (Figure 11b). Homogenization temperature of fluid inclusions varied within the array of 22698 C (Figure 12a). The ice melting in cooled fluid inclusions appeared at temperatures from .8 to -0.two C (Table 7). The salinity of fluid inclusions was estimated from 0.4 to 1.two wt. NaCl eq. Melting of eutectic in frozen fluid inclusions occurred in the temperature range of -49 to -25 C.Minerals 2021, 11,by eutectic melting at range of -45 to -27 . The fluid inclusions within the quartz of this ore association contain NaCl and KCl. Low melting temperatures of eutectics from -49 to -27 Care characteristic of fluid inclusions in quartz of your gold-sulfosalt-quartz association with high-grade gold (Table 7). With regard towards the composition of fluids in the most up-to-date stage, 16 of 23 as well as NaCl, there could be admixtures of CaCl2, MgCl2, FeCl2, FeCl3, K2CO3, which could reduce the melting point with the eutectic of fluid inclusions [24]. The composition of gas inclusions, apparently, is dominated by water vapor.16 ofMinerals 2021, 11, x FOR PEER REVIEWexplained by processes of mixing of hot magmatogenic fluids with cold fresh meteoric waters. The presence of principal gaseous and two-phase fluid inclusions around the growth zones of quartz crystals indicates boiling of the ore-forming fluid. The calculated stress of homogenization of fluid inclusions in quartz in the late stage of mineralization on the Baranyevskoe deposit varies from two.6 to 8.3 MPa, and it truly is mainly close towards the pressures of ore formation within the near-surface volcanic-hydrothermal mineral systems. I.
