Polymetal (Ag, Pb, U, Cu, Bi, Zn, F) Adrasman-Kanimansur ore field (Tajikistan), and its ore-forming system, II: Physicochemical, geochemical, and geodynamic formation conditions

Fluid inclusions and stable isotope compositions of S and O in minerals wer e studied and used to estimate physicochemical and geochemical conditions o f ore deposition. Fluid inclusions in quartz from the quartz-hematite-chalc opyrite stage homogenize under 115-270 degrees C; and in quartz, sphalerite , barite, and fluorite from the sliver-base metal stage-under 110-245 degre es C. The solution salinity in fluid inclusions varies from 0.4 to 30 wt % of NaCl equiv. The sulfur isotope composition in sulfides is within the int erval -3.6 to +9.7 parts per thousand, and the oxygen isotope composition v aries in quartz from +7.5 to +13.3 parts per thousand. The suggested model of the fluid-magmatic system of the Adrasman-Kanimansur ore field is discus sed.