Structural–Geodynamic Systems of the Eastern Arctic Region

IF 0.9 4区 地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY Russian Journal of Pacific Geology Pub Date : 2024-05-02 DOI:10.1134/s1819714024020064
B. V. Senin, V. Yu. Kerimov, M. I. Leonchik, R. N. Mustaev, R. A. Mamedov
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Abstract

The research considered in the paper was aimed at studying the structure and evolution of the Eastern Arctic structural–geodynamic systems. The tectonic model of the base of the Eastern Arctic plate section determines their vertical zonality in terms of structure and tectonics based on the interpretation of seismic and other geophysical survey data correlated at a varying reliability degree with the studied sections in the adjacent or remote areas. Accordingly, the vertical structure and formation composition models built on this basis are largely hypothetical and tend to change (even fundamentally) as geological and geophysical information accumulates. The geodynamic analysis of formation of the Eastern Arctic structural–geodynamic systems was based on tectonic–geodynamic paleoreconstructions recorded the interaction between blocks of the consolidated crust. The results we obtained made it possible to considerably update, expand and, in some cases, refine understanding of a structure of the basement and individual reference horizons of the sedimentary cover in this part of the water area. It is concluded that the East Arctic waters are of great interest in terms of hydrocarbon exploration. However, the assessment of their hydrocarbon potential is difficult due to the poor geophysical knowledge and lack of wells.

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北极东部地区的结构-地球动力系统
摘要 本文所考虑的研究旨在研究北极东部结构-地球动力系统的结构和演变。北极东部板块底部的构造模型是根据对地震和其他地球物理勘测数据的解释,确定其在结构和构造方面的垂直地带性,这些数据与邻近或偏远地区的研究断面具有不同程度的相关性。因此,在此基础上建立的垂直结构和地层组成模型在很大程度上是假设性的,而且随着地质和地球物理信息的积累,往往会发生变化(甚至是根本性的变化)。对北极东部构造-地球动力系统形成的地球动力分析,是以记录固结地壳块体之间相互作用的构造-地球动力古重建为基础的。我们获得的结果使我们能够大大更新、扩展,在某些情况下,完善对这部分水域基底结构和沉积覆盖层个别参照层的理解。结论是,东北极水域在碳氢化合物勘探方面具有重大意义。然而,由于地球物理知识贫乏和缺乏油井,很难对其油气潜力进行评估。
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来源期刊
Russian Journal of Pacific Geology
Russian Journal of Pacific Geology 地学-地球科学综合
CiteScore
1.30
自引率
37.50%
发文量
34
审稿时长
>12 weeks
期刊介绍: Russian Journal of Pacific Geology publishes the results of research on the Earth crust and mantle composition and provides articles on the geological structure and patterns of distribution of mineral deposits in the Pacific Ocean, marginal seas and continental margins. It discusses the topics of stratigraphy, sedimentology, magmatic activity, and seismicity. The journal deals with the problems of lithosphere plates tectonics, and offers the results of neotectonic, geomorphological, geodesic, environmental and mining studies in the Pacific region. The journal accepts theoretical, methodical and philosophical articles covering general issues of geology, geophysics, geochemistry, geoecology and mining. The journal also publishes critical notes and comments, and reviews.
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