The high estimate and integrated development of mineral and energy potential of the subsoil of the Siberian platform will provide development of new areas of exploration and expansion of resource base in the east of Russia, and provide conditions for the county’s entrance to the Asia-Pacific market.
Hydrocarbon systems are discrete systems, expressed in terms of different scale elements of the earth's crust (blocks!), in which hydrocarbon-bearing minerals are regularly located. Hydrocarbon systems are divided into primary and secondary. High dynamics of the Siberian platform in all stages of its development determined the forms and migration paths of naphthides and specific structural forms of sedimentary cover, containing hydrocarbon deposits.
Peculiarities in distribution of concentrations and mass shares of gold in its ores in recoverable gold deposits should be considered as indicators of the genetic nature of gold mineralization. Practical application of the revealed distribution allows the new estimating of the nature of those gold concentrations.
Acting in Russia methodology of estimation and expert’s examination of calculated mineral reserves has been organized in the Soviet period, during development of the rigidly centralized system of the state planning and management. Since, 20 years there isn’t in the country any state monopoly (and financing) in the mining brunch and geological exploration. The new approaches are needed in procedure of estimating mineral reserves explored by the private enterprises. Anyway, functions, which the State Commission on mineral reserves (SCR) used to carry out in the Soviet time, remain nearly the same at present. Its full-scale authority, obligatory specifications are in clear contradiction with real economic relationship in the country. Computer modeling of ore bodies, composed on the base of geostatistical analysis of the exploration data, determines their natural contours and the ore grade distribution far more precisely than the formal index of the reserve’s category. There isn’t any necessity to approve in the SCR the so called group of the ore deposit complexity, nor the Technical-economic validation of limiting conditions. The mere procedure of the state approval of explored ore reserves ought to have the record keeping character.
Domanikoid and sudomanikoid horizons of the Late Proterozoic, Early and Middle Paleozoic of Siberian platform are classified as the oil-and-gas-generating series. Kuonamskaya bituminous carbonate-shale formation is described from the points of its structure, peculiarities of its origin and the metal-bearing potential. This analysis allow to indicate areas for geological prospecting with appraisal of expected resources.
A primary vein-disseminated ores of major gold deposit with stockworks and crushed veins in carbonaceous shale rocks can be exposed to metamorphism what with duration and multiplicity of ore-forming stages. A regrouping of gold takes place in ores with formation of lager gold grain under the influence of metamorphism. A metamorphosed vein-disseminated ores should be united in one whole industrial type.
On an example tin orebodies sites with various degree of concentration of useful components are considered. It is offered to consider ore columns and sites of the lowered concentration of metal within the limits of the uniform approach, allocating «concentration heterogeneity» on a basis meterpercent. Thus it is necessary to consider character of change of fault surface behaviour with depth depending on type of tectonic infringement.
The peculiarities of are considered in terms of mica-bearing pegmatites of the Karelian, Kola and Mama and Vitim mica-bearing provinces and chamber pegmatites of Central Kazakhstan. Special attention is paid to the influence of physical and mechanical properties of enclosing rock on the shape and occurrence of pegmatite bodies and their association with post-folded faults.
The new data on geology of Devonian graben and subjacent complexes allow reviewing the evolution of geodynamic processes in this region during Riphean-Paleozoic. It was confirmed that Cambrian – Early Silurian series were formed in the platform environment under conditions of stable dome-like uplifting of the territory, and the subalkaline granitoids (S2-D1) may be classified as anorogenic intrusion. Devonian riftogenesis was a sequel of regeneration of the Riphean paleo- rift in conditions of general spreading. There are distinguished three stages in formation of the graben: pre-graben, orogenic and post-orogenic ones, with description of complexes formed at those stages. Concluding processes of this type are related to formation of fluorite-barite-рolymetallic occurrences and alkaline-ultrabasic dykes (D3) in zones of deep faults. The conclusion is made that the crust block, representing basement of the Barenz-sea plate in the region, has gone through the recurrent intra-plate riftogenesis in the Middle Paleozoic.
The paper is dedicated to life and activities of Karl Ivanovich Bohdanowicz – the prominent Russian and Polish traveller, expert in geology of mineral resources, the graduate from the Saint-Petersburg Mining Institute in 1886. On the Instructions of the Russian Imperial Geographic Society he carried out geological investigations in Trans-Caspian region, in Siberia, at the Kamchatka peninsula, in Central Asia, in the Caucasus. In 1914-1917 Karl Ivanovich was the head of the Russian Geological Committee; in 1902-1919 he was the head of the Department of Physical Geology and Ore Deposits in the Saint-Petersburg Mining Institute. In 1918 he became the founder of the Geological Exploration Faculty at the Mining Institute and its first Dean. Since 1919 K.I.Bohdanowicz lived and worked in Poland at the Krakow Mining Academy; since 1930 he was the head of Geological Survey in this country. There he had died in1947. Inthe history of Russian, Polish and the world-wide geological science Karl Ivanovich Bohdanowicz keeps the most noteworthy position.
Comparative analysis was carried out for oil-and-gas-bearing basins of young and oldland platforms of the Pacific segment. Previously the same kind of analysis had been realized for the Atlantic segment of lithosphere. Obtained results confirm the unique geological structure and oil-and-gas capacity of Siberian platform, by these features it differs from all other cratons in the whole world.
A new metallogenic zone was separated out in a central part of the archipelago Spitsbergen by the results of exploration work. It was shown an integral series of ore areas and fields in the limits of this zone, including the ore field Halvdanpiggen. This field integrates several non-uniformly scaled the ore occurrences, which present a great interest in regard to a material composition of the ore. They likewise produce an information for determination of genesis and outlooks of total metallogenic zone. The article contains data on geology, mineralogy and geochemistry of deposits; it is established their genesis, formation membership and time of origination.
