gold ore

Rock type: 
Age: 
2050 millions years

Russia, Sakha Republic (Yakutia), Gross gold deposit, upper Usu river. Metasomatically modified polymictic sandstones of the olonnokon series with quartz veins. Gold ore. Paleoproterozoic. 

Rock type: 
Age: 
159 millions years

Russia, Chita region, Pogromnoye gold deposit. Albite-sericite-quartz metasomatite with quartz and carbonate-quartz veins and interspersed with arsenopyrite. Gold ore. Gold - 8.3 g/t. Upper Jurassic.

Rock type: 
Age: 
2050 millions years

Russia, Sakha Republic (Yakutia), Tabornoye gold deposit, upper Usu river. Metasomatically modified polymictic sandstones of the olonnokon series with quartz veins. Gold ore. Paleoproterozoic. 

Rock type: 
Age: 
185 millions years

Russia, Magadan region, starboard side of the valley of the Sturmovoy creek. The alternation of siltstones and sandstones with quartz veins and lenses containing gold mineralization. Low Jurassic.

Rock type: 
Age: 
2300 millions years

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.

Rock type: 

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.