Russia, Irkutsk region, watershed of the rivers Homolkho and Imnyakh, gold deposit "Golets Vysochayshy", north wall of the pit. Carbon quartz-mica schists. The first photo shows quartz veins in the pit wall. Schists contain veins, lenses, and impregnations of pyrite and pyrrhotite.Khomolkhinskaya series. Thickness 650 meters. Paleoproterozoic.
Russia, Irkutsk region, valley of the Big Chanchik creek. Carbon-containing phyllite schists with carbonate (anchorite, calcite). Angarskaya series, upper pack. Mesoproterozoic.
Russia, Irkutsk region, valley of the Big Chanchik creek. Carbon-containing phyllite schists with pyrite lenses. Angarskaya series, upper pack. Mesoproterozoic.