Petrographic, mineralogical, petrochemical and isotope geochronological studies of typical intrusions in the Bespamyatnaya River mouth have been carried out. The results showed that the intrusions had been formed by association of rocks from monzogabbro, monzodiorite, monzonite to syenite and quartz syenite. Granitoids are enriched with LILE (Ba, Sr, Rb, K, Cs), LREE and volatile components, such as F, P₂O₅, have negative geochemical Ti and Ta-Nb anomalies of suprasubduction nature. They differ from classical types of granites and correspond to intrusive counterparts of the shoshonite-latite series or shoshonite granitoids. Results of the U-Pb zircons dating from different intrusive phases indicate that they postdate the Siberian trap basalts being emplaced at 241–233 Ma (T_2–3) and are close by their age to the main phase of the Early Cimmerian orogeny in the Byrranga Mountains. The obtained results prompt for revision of paleogeodynamic reconstructions of the Pangea (North Siberian parts) and Paleopacific in the Late Permian – Early Triassic time with the trap (superplume) magmatism and Middle-Late Triassic with orogeny and formation of postorogenic intrusions of the shoshonite-latite series of the Bespamyatnaya Areal.

Paper presents results of spatial geoenvironmental mapping of the eastern Gulf of Finland bottom, based on geological and geophysical data received in the course of state geological survey undertaken by specialists of VSEGEI Department of Marine and Environmental geology (scale 1:200,000) (1987–2000) and various projects realized in 2001–2018 in the eastern Gulf of Finland.

The paper deals with the influence of the hydrogeochemical factor on conditions of hydrogen-sulfide water formation in oil and gas fields of the Bukhara-Khiva basin (Uzbekistan). Average temperatures of the productive horizon are taken into account, as well as the influence of the depth of occurrence of these horizons from the land surface. Processes of hydrogen-sulfide water formation at the Bukhara and Chardzhou stages are compared. When the productive horizon is located close to the land surface (Bukhara stage), oxygen penetration enhances the sulfate reduction process in evaporite rocks resulting the formation of hydrogen-sulfide water due to the biochemical process. When the productive horizon is submerged deeply and temperatures are high, hydrogen-sulfide waters are formed due to the thermochemical process (Chardzhou stage).

Following zircon ages (U-Pb method, SHRIMP II) from four trap intrusions was obtained (Ma):
248 ± 2 for Vanga, 241 ± 2 for Yokche, 235 ± 1 for Degali, 230 ± 3 for Perelomnaya. Zircon geochemistry, morphology and structure confirms its magmatic origin. The duration of intrusive trap magmatism is about 20 Myr. The Lu-Hf isotope system of zircon testifies to depleted mantle source (ε_Hf(T) = +8…+15) and two groups of THf(DM) model ages: Riphean (0.57–0.59 Ga) and Permian (0.26–0.29 Ga). Melting of the Riphean depleted mantle of the Paleo-Asian Ocean under the influence of the Permian plume is supposed to be a source of trap magmatism.

The paper summarizes data concerning stratigraphy of the Albasino ore field (Polina Osipenko district, Khabarovsk Territory), and petrographic, mineralogical, geochemical features of the manganese volcanogenic-siliceous formation that hosts vein gold mineralization. Significance of lithological factor for gold localization is discussed.

Analysis of lithostratigraphic, geophysical, geochemical, hydrogeological, landscape-geomorphological materials, interpretation data of aerospace surveys allowed identification of metallotects of hydrogenic uranium mineralization location and outlining exploration prospects in the eastern part of the Amur-Zeya depression.

The article contains a review and results of analytical studies of vesuvianite from Kedabek (Azerbaijan) and the Shishim mine (the Southern Urals) including crystallographic, crystallochemical and paragenetic features. Lists of minerals from both deposits have been compiled; their similarities and differences have been shown. Elevated CaO contents and low Al₂O₃ is distinctive feature of the Shishim vesuvianite. Occurrence of specific minerals such as thaumasite, monticellite, сhondrodite and a number of ferrous minerals (hematite, magnetite, and ferroacermanite) indicates rich mineral composition of the Shishim mine. On the other hand, the discovery of kaolinite, which is not typical of the Shishim skarns, most likely testifies the post-skarn formation as a result of secondary alteration of alumino-silicate minerals. High volume of wollastonite in the Kedabek skarns indicates low concentration in post-magmatic melt of magnesium and especially iron, which also reflected in the chemical composition of the skarns. In the Shishim skarns, the presence of ferrous minerals indicates an increasing role of the subsequent low-temperature formation stage.

The published archive essay was written in the autumn of 1937, immediately after the discovery of the Nittis-Kumuzhya-Travyanaya deposit by V. K. Kotulsky, an outstanding geologist, who had a hard and tragic life. Under extremely difficult conditions of political repression and limited resources, he could successfully manage geological surveys in Monchetundra. As a result, a unique deposit of rich ores was discovered. On its basis, the Severonickel Plant began to operate and the city of Monchegorsk was built. The essay analyzes factors that negatively influenced the work effectiveness. The conclusions made by the author have been relevant for the entire geological industry up to date. The essay is provided with comments of V. V. Sholokhnev, the author-compiler, who was engaged in geological exploration in the Monchegorsk ore field in the 1990s.

The paper describes the history of formation of the oldest enterprise in the system of geological survey of Russia, the leading manufacturer of state geological maps of the Russian Federation – St. Petersburg Cartographic Factory. Currently, it is a modern enterprise, the owner of advanced technologies for the preparation and publication of complex geological products for various purposes, the major publisher with a wide range of facilities for providing printing services.