Dynamic balance model of financial flows between the institutional sectors in the regional system

I. V. Naumov 

I . V. Naumov / News of the Ural State Mining University 3 (2018) 155-164

Purpose of the work is search for general trends and problems of the development of the banking sector of the Sverdlovsk region in different time cycles of the economic dynamics of 1999–2017; it is based on the balance model of financial flows between the institutional sectors in the regional system and the identification of priority areas for the financial strategy for the development of the banking sector in the region.
Methodology. The methodological basis of the study is the methodology for creating a balance model of financial flows between the banking and institutional sectors of the economy (households, financial and non-financial corporations, public administration sector and the rest of the world management), the formation of which is based on the principles of “double entry”.
Results. In this paper, we give the analysis of the trajectories of financial flows characteristic of different economic development cycles between institutional sectors in the regional system for such financial tools as cash, deposits, lending, debt securities, and so on. The analysis has shown that almost all institutional sectors have been withdrawn money from the banking sector during the crisis; the banking sector, in turn, has carried out speculation with foreign currency, placed funds into deposit accounts of foreign financial institutions, lent to foreign organizations of large amounts of money (more than to the domestic real sector of economy), invested in debt foreign securities instead of lending to the real sector of the economy. It is justified that in order to stabilize the economic situation of the institutional sectors in the region, withdrawal of the Russian economy from protracted stagnation, it is necessary to change the policy pursued by the banking sector and the Central Bank of Russia. The consolidation of the current development strategy for the banking sector of the Russian Federation for the period 2019–2021 is proposed, as well as measures to support financial institutions investing in the real sector of the economy and the public sector with all possible financial tools; moreover, it is necessary to impose sanctions on those Russian credit institutions that invest in debt foreign securities, lend to foreign institutions and place funds into their deposit accounts.

Keywords: regional economy, financial strategy, balance model of financial flows, banking sector.

The paper was prepared in accordance with the research project plan of the Federal Publicly Funded Institution of Science of the Institute of Economics of the RAS Ural branch for 2017-2019.

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GEOCHEMISTRY, URANIUM, THORIUM AND RARE EARTH ELEMENTS OF TRACHYTE DYKES OF UMM SALATIT MOUNTAIN AREA, CENTRAL EASTERN DESERT, EGYPT

M. M. Ghoneim, G. M. Saleh, M. D. Dawoud, M. S. Azab, M. A. Mohamed, H. A. Awad

Ghoneim M. M. et al. / News of the Ural State Mining University 3 (2018) 7-18

Umm Salatit Mountain area is a part of the Central Eastern Desert of Egypt. It is composed of ophiolitic mélange, older granitoids, biotite granites, muscovite granites and post granitic dykes and veins.
Purpose of the work. The present work deals with the detailed investigations of the geology, petrography, geochemistry and spectrometric prospecting of the studied trachyte dykes as a possible source of uranium mineralization.
Research methods. This work involves both field work (Construction of geological map with the structural features, scale 1 : 50,000, Spectrometric measurements of the different rock units using a portable gamma-ray spectrometer RS-230) and laboratory work (preparation of thin sections for petrographic studies by polarizing microscope), Atomic Emission Spectroscopy (AES), and Mass-Spectrometer with Inductively Coupled Plasma (ICPMS).
Results. Petrographically, trachyte dykes consist mainly of K-feldspar with relatively minor amount of plagioclase, iron oxides, quartz and biotite. Secondary minerals are represented by sericite, muscovite, chlorite, carbonates and epidote. Accessory minerals are represented by opaque minerals. Trachytic textures are the main characteristic feature in trachyte. Geochemically, the investigated trachyte dykes were originated from an alkali magmarich in total alkalis, and the tectonic setting is continental basalt. Trachyte dykes have steep LREEs, nearly flat HREEs and a negative Eu anomaly. The negative Eu anomaly is either due to the partitioning of Eu into feldspar during fractionation, which is an important process in developing alkalinity, or the presence of residual feldspar in the source. Another alternative explanation for the negative Eu anomaly is based on the high oxygen fugacity in the melt due to volatile saturation. In general, all trachyte samples show moderate enrichment of most large ion lithophile elements (LILE) and high field strength elements (HFSE) and depletion of P, Ti and K. The depletion of Ti and p is ascribed to fractionation of titanomagnetite and apatite. The determination of equivalent uranium, thorium (ppm), potassium % and dose rate (m Sv/y) radiometrically by using portable RS-230 indicates that the dose rate in the trachyte dykes ranges from 0.5 to 1.5 with an average of 1.2 (m Sv/y). The radiometric data of the radioelements for them show a wide variation in eU and eTh contents. The eU content ranges from 2 to 14 ppm with an average of 6.6 ppm and the eTh content ranges from 4 to 37 ppm with an average of 18.03 ppm. Both U and Th correlate similarly with other major and trace elements, reflecting their geochemical coherence during the crystallization of the magma.

Keywords: geochemistry, uranium, trachyte dykes, Egypt, Umm Salatit.

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