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.
Russia, Irkutsk region, the upper reaches of the creek of Alexander Nevsky, gold deposit - "Nevskoe". Gold ore.Quartz sulfide mineralization in paleoproterozoic quartz sandstones.Mineralization includes: pyrite, arsenopyrite, pyrrhotite, their oxides, gold, quartz and carbonate-quartz veins.
Russia, Irkutsk region, the upper reaches of the creek of Alexander Nevsky, gold deposit - "Nevskoe". Quartz sandstones with quartz and quartz-arbonatic veins. Fine grained. Cement - quartz-sericite, with carbonaceous matter. Aunakitskaya series. Host rocks for gold ore mineralization of the Nevskoye deposit. Paleoproterozoic.
Russia, Khabarovsk Territory. Polymict coarse sandstones. Dublikanskaya series. Consisting of fragments of quartz and feldspar. At the bottom of the photo are carbonaceous siltstones. Thickness - 700 metres. Upper Jurassic, Tithonian. J3 db
