Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modeling

In the western part of the Uimon depression of the Altai Mountains, during the 2023 field season, additional measurements were carried out using electrical tomography along three profiles to clarify the structure of the area with basement rocks exposed to the surface. During the study, the results o...

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Main Authors: Kuzina Z. Ya., Nevedrova N. N., Sanchaa А. M.
Format: Article
Language:Russian
Published: Murmansk State Technical University 2024-03-01
Series:Vestnik MGTU
Subjects:
Online Access:https://vestnik.mstu.edu.ru/show-eng.shtml?art=2209
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author Kuzina Z. Ya.
Nevedrova N. N.
Sanchaa А. M.
author_facet Kuzina Z. Ya.
Nevedrova N. N.
Sanchaa А. M.
author_sort Kuzina Z. Ya.
collection DOAJ
description In the western part of the Uimon depression of the Altai Mountains, during the 2023 field season, additional measurements were carried out using electrical tomography along three profiles to clarify the structure of the area with basement rocks exposed to the surface. During the study, the results of three-dimensional inversion were obtained taking into account new electrical tomography data, and a refined geoelectric model of the study area was constructed. To verify the resulting model, 2D and 3D numerical modeling was performed with the help of which the geometric dimensions and electrical resistivity of bedrock outcrops were justified. The influence of the daytime surface topography on geoelectric sections in mountainous regions with significant differences in elevation on the earth's surface has been shown. Determining the structure of the depressions is necessary to understand the stages of neotectonic formation of the Uimon depression and the entire region, as well as to assess the seismic hazard of the Altai Mountains. In the course of further research, it is possible to trace the object to a greater depth (~100 m) using a three-electrode electrical tomography installation or alternative equipment with an increased size of the measuring-generator cable.
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spelling doaj.art-510c11c397384d6dbf75a2f7fb696f042024-04-02T12:06:27ZrusMurmansk State Technical UniversityVestnik MGTU1560-92781997-47362024-03-01271526010.21443/1560-9278-2024-27-1-52-60Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modelingKuzina Z. Ya.0 Nevedrova N. N.1 Sanchaa А. M.2https://orcid.org/0000-0002-4523-6661The Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch RASThe Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch RASThe Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch RASIn the western part of the Uimon depression of the Altai Mountains, during the 2023 field season, additional measurements were carried out using electrical tomography along three profiles to clarify the structure of the area with basement rocks exposed to the surface. During the study, the results of three-dimensional inversion were obtained taking into account new electrical tomography data, and a refined geoelectric model of the study area was constructed. To verify the resulting model, 2D and 3D numerical modeling was performed with the help of which the geometric dimensions and electrical resistivity of bedrock outcrops were justified. The influence of the daytime surface topography on geoelectric sections in mountainous regions with significant differences in elevation on the earth's surface has been shown. Determining the structure of the depressions is necessary to understand the stages of neotectonic formation of the Uimon depression and the entire region, as well as to assess the seismic hazard of the Altai Mountains. In the course of further research, it is possible to trace the object to a greater depth (~100 m) using a three-electrode electrical tomography installation or alternative equipment with an increased size of the measuring-generator cable.https://vestnik.mstu.edu.ru/show-eng.shtml?art=2209gorny altaiuimon depressionelectrotomographygeoelectrical sections2d inversion3d inversionуймонская впадинаэлектротомографиягеоэлектрические разрезычисленное моделирование 2d-инверсия3d-инверсия
spellingShingle Kuzina Z. Ya.
Nevedrova N. N.
Sanchaa А. M.
Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modeling
Vestnik MGTU
gorny altai
uimon depression
electrotomography
geoelectrical sections
2d inversion
3d inversion
уймонская впадина
электротомография
геоэлектрические разрезы
численное моделирование 2d-инверсия
3d-инверсия
title Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modeling
title_full Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modeling
title_fullStr Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modeling
title_full_unstemmed Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modeling
title_short Geoelectric model of the exposure of basement rocks to the surface in the Uimon depression of Gorny Altay based on three-dimensional numerical modeling
title_sort geoelectric model of the exposure of basement rocks to the surface in the uimon depression of gorny altay based on three dimensional numerical modeling
topic gorny altai
uimon depression
electrotomography
geoelectrical sections
2d inversion
3d inversion
уймонская впадина
электротомография
геоэлектрические разрезы
численное моделирование 2d-инверсия
3d-инверсия
url https://vestnik.mstu.edu.ru/show-eng.shtml?art=2209
work_keys_str_mv AT kuzinazya geoelectricmodeloftheexposureofbasementrockstothesurfaceintheuimondepressionofgornyaltaybasedonthreedimensionalnumericalmodeling
AT nevedrovann geoelectricmodeloftheexposureofbasementrockstothesurfaceintheuimondepressionofgornyaltaybasedonthreedimensionalnumericalmodeling
AT sanchaaam geoelectricmodeloftheexposureofbasementrockstothesurfaceintheuimondepressionofgornyaltaybasedonthreedimensionalnumericalmodeling