Вестник Кольского научного центра РАН. 2012, №1.

N.Ye. Kozlov, N.O. Sorokhtin, Ye.V. Martynov DISTRIBUTION OF ORE ELEMENTS IN OIL AS AN INDICATOR OF GEODYNAMIC SETTINGS OF OIL ORIGIN The study of geochemical variation of certain ore elements in oil fields of the Volga-Urals, West- Siberian and Dnepr-Donetsk provinces indicates their regular and irregular enrichment with various components in the front and rear parts of the adjacent collision systems. The oil metallogeny depends on the complexes through which oil migrates from the zone of increased pressure to that of tectonic shadow. This factor is a direct prospecting indicator, and can be used to evaluate potential of the territory under study for metal resources. Keywords: Petroleum and gas deposits, content of the ore elements, geodynamic classification. A.M. Zhirova RESEARCH OF MAGNETOELASTIC EFFECTS IN THE SAMPLES OF MAGNETIC ROCKS OF THE KOVDOR MASSIF AND STRUCTURE OF SERPOVIDNY RIDGE Some results of the research of acoustic affect on remanent magnetization of the magnetic rocks of Kovdor massif and structure of the Serpovidny ridge are represented. Influence of such parameters of acoustic waves as the time, direction and amplitude on the remanent magnetization has been studied. It has been found that the remanent magnetization and her direction are varied according to direction of ultrasonic waves. The performed experiments show the character of the magnetization change under increase of the time of the acoustic action up to 60 c. The obtained results are of interest in development of not linear geophysics problems and the estimation of the technogenic and natural magnetic anomalies. Keywords: remanent magnetization, magnitoelastic effects. D.G. Stepenshchikov. Yu.L. Voytekhovsky ON THE RELATIONSHIP BETWEEN CRYSTAL HABIT AND CRYSTAL REAL FORM The real crystal form (simple form or its combination with various growths of different faces) gives the combinatorial types of the crystal - the number, arrangement and engagement of crystal faces. Nevertheless it doesn’t give geometry of the crystal - the characteristic using by crystallographers in terms «habit» and «habitus». In this paper the relation between crystal habit and crystal real form been analyzed. Keywords: habit, real crystal form, crystal faces. V.T. Filatova TECTONOPHYSICAL CONDITIONS OF MOBILE-PERMEABLE ZONES FORMATION IN THE ARCHAEAN BASEMENT OF THE NORTH-EASTERN PART OF THE BALTIC SHIELD On the example of the Kola region tectonophysical simulation has been performed, which provided defining structures draining the uprise of mantle basic-ultrabasic magmas. The research has been carried out on the basis of numerical simulation to reconstruct zones of high permeability of the basement, which formed in the Late Archaean and determined the localization of tectonic magmatic processes in the region. For this purpose, quantitative models of the strained-deformed state of the Earth crust of the region considering its evolutionary development. The paper pioneers the estimates and interrelation of geodynamic factors interpreting mechanisms of formation of deformed structures in the region. The obtained results revealed a location heredity of magma feeding channels in the region from the Archaean to the Early Proterozoic and give grounds to revise the existing concepts about the mechanism of the Earth's crust formation in the North-Eastern Baltic Shield. The elaborated methods can be applied for fast diagnosis to allocate weakened zones in the basement and evaluate their permeability degree with the minimum time and resources required. Keywords: numerical simulation, stress fields, Late Archaean, Early Proterozoic, magma-conducting structures. A.A. Predovsky, I.V. Chikiryov SIGNIFICANT FEATURES OF THE MANTLE-CRUSTAL INTERACTION AS AN IMPORTANT FACTOR OF THE MORPHOSTRUCTURAL PROCESS The analysis of numerous geological and geophysical data has allowed to propose a new approach in interpreting the morphostructural process. This event is considered to rely on a mechanism of vertical and horizontal interaction for energy mass flows consumed in the zone of crust-mantle transition which is triggered under the influence of deep-seated heat carrying fluids entering the mantle and crust along the long-lived lineament zones. The paper demonstrates examples and generalized model of the mantle-crust interaction. Keywords: Structures, mantle-crust interaction, energy mass flows, long-lived lineament zones. 204