مطالعه و بررسی معدن میکای قره باغ و ارتباط کانی سازی آن با سنگهای نفوذی و دگرگونی منطقه

Microscopic and XRD investigations indicate that the main mica is phlogopi!e. There are also a small amounl of Muscovi!e in Ihe eas! pan. Trend of mica layers is NE-SW. Host rocks arc Gneiss, mi::.;!schist S, granite and gabbro. Minerals assemblage of this mine is phlogopitc, apatite and calcite. Chemical and microscopical in vestiga tions of granite indicate that they are nonorogen alkaligranitc type A The major minerals are potass ic feldspars and albite (with mi croperthite texture) and quartz (with micrograph ice tex ture). Garnel and calcite are minor minerals. Phogopite, Apatite and calcite vein is resulted in pneumatoHte to hydrothermal phase from a granitic melt with high Mg, K, Ca and P.