Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings

On the basis of one-dimensional inversion of MTS curves on the most part of the Volynsk and the western part of the Podolsk mega-blocks in a "granite" layer the objects of the lowered resistance (OLR) have been selected which at the present stage of researches are difficult for uniting in...

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Дата:2010
Автор: Logvinov, I. M.
Формат: Стаття
Мова:Російська
Опубліковано: S. Subbotin Institute of Geophysics of the NAS of Ukraine 2010
Онлайн доступ:https://journals.uran.ua/geofizicheskiy/article/view/117559
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Назва журналу:Geofizicheskiy Zhurnal

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Geofizicheskiy Zhurnal
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author Logvinov, I. M.
author_facet Logvinov, I. M.
author_sort Logvinov, I. M.
baseUrl_str
collection OJS
datestamp_date 2020-10-07T10:43:09Z
description On the basis of one-dimensional inversion of MTS curves on the most part of the Volynsk and the western part of the Podolsk mega-blocks in a "granite" layer the objects of the lowered resistance (OLR) have been selected which at the present stage of researches are difficult for uniting in a uniform conductive layer. In a transitive layer it is possible to assume the presence of a conductive horizon (with prevailing values of total longitudinal conductivity more than 100 S), in which the places with "holes" are available (i. e. areas of absence OLR). On the most part of the investigated territory the total longitudinal conductivity of rocks with thickness of about 30-35 km basically does not exceed 250 S. Correlation of the area of distribution of conductive objects with graphitic rock by areas allows assumption, that the lowered resistance in these areas is explained by graphitization of rocks composing both "granite" and a part of transitive layer. Active at the present stage of development lineament zones - the Ustlugsko- Malinskaya, Yavorovsko-Volchansk (comprising the northern part of the Dnipro-Labe zone) and the Mukachevo-Dnepropetrovsk - zone are accompanied by conductive objects located at various depths.
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spelling journalsuranua-geofizicheskiy-article-1175592020-10-07T10:43:09Z Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings Logvinov, I. M. On the basis of one-dimensional inversion of MTS curves on the most part of the Volynsk and the western part of the Podolsk mega-blocks in a "granite" layer the objects of the lowered resistance (OLR) have been selected which at the present stage of researches are difficult for uniting in a uniform conductive layer. In a transitive layer it is possible to assume the presence of a conductive horizon (with prevailing values of total longitudinal conductivity more than 100 S), in which the places with "holes" are available (i. e. areas of absence OLR). On the most part of the investigated territory the total longitudinal conductivity of rocks with thickness of about 30-35 km basically does not exceed 250 S. Correlation of the area of distribution of conductive objects with graphitic rock by areas allows assumption, that the lowered resistance in these areas is explained by graphitization of rocks composing both "granite" and a part of transitive layer. Active at the present stage of development lineament zones - the Ustlugsko- Malinskaya, Yavorovsko-Volchansk (comprising the northern part of the Dnipro-Labe zone) and the Mukachevo-Dnepropetrovsk - zone are accompanied by conductive objects located at various depths. S. Subbotin Institute of Geophysics of the NAS of Ukraine 2010-04-01 Article Article application/pdf https://journals.uran.ua/geofizicheskiy/article/view/117559 10.24028/gzh.0203-3100.v32i2.2010.117559 Geofizicheskiy Zhurnal; Vol. 32 No. 2 (2010); 98-109 Геофизический журнал; Том 32 № 2 (2010); 98-109 Геофізичний журнал; Том 32 № 2 (2010); 98-109 2524-1052 0203-3100 ru https://journals.uran.ua/geofizicheskiy/article/view/117559/111601 Copyright (c) 2020 Geofizicheskiy Zhurnal https://creativecommons.org/licenses/by/4.0
spellingShingle Logvinov, I. M.
Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings
title Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings
title_full Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings
title_fullStr Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings
title_full_unstemmed Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings
title_short Geoelectric parameters of the earth's crust of the western part of the Ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings
title_sort geoelectric parameters of the earth's crust of the western part of the ukrainian shield according to the one-dimensional inversion of magnetotelluric soundings
url https://journals.uran.ua/geofizicheskiy/article/view/117559
work_keys_str_mv AT logvinovim geoelectricparametersoftheearthscrustofthewesternpartoftheukrainianshieldaccordingtotheonedimensionalinversionofmagnetotelluricsoundings