Fault Block Structure of Gorny Altai Intermountain Areas According to Geoelectrical Data


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Авторы: Nevedrova N.   (ИНГГ СО РАН)   Sanchaa A.   (ИНГГ СО РАН)   Shaparenko I.   (ИНГГ СО РАН)   Babushkin S.   (ИНГГ СО РАН)  
дата публикации: 2019
реферат:
The article presents the results of studies of the deep structure of the largest intermountain depressions of Gorny Altai (Chuya, Kuray, Uimon areas) using a suite of electromagnetic methods that includes transient electromagnetic method, vertical electrical sounding and electrical resistivity tomography. Investigation of their internal structure is important in the study of seismic activity of the region, the patterns of formation of the neotectonic structure, and mineral deposits. Interpretation of the obtained results with consideration of a priori geological and seismological information, enables to reveal the fault block structure of these basins. The common features of the structure of all three basins are fault boundaries with mountain ridges framing them, as well as the presence of numerous within the depressive disjunctive disorders. The study identified the locations of faults overlapped by Cenozoic sediments and thrusts of Paleozoic rocks of the northeastern mountain ranges to sedimentary depressions, which were verified by three-dimensional numerical modeling.
первоисточник: Trigger Effects in Geosystems: The 5th International Conference, Sadovsky Institute of Geospheres Dynamics of Russian Academy of Sciences
том:
страницы: 125-134
ISBN: 978-3-030-31969-4
ISSN:
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полный текст статьи

trig-2019-125-134