Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modeling

Results of numerical modeling have been presented for development of the Dnieper-Donets depression based on the thermal problem for lithosphere with selecting the surface conditions of accumulation of the cover. A series of paleotectonic sections has been plotted with facial filling characterizing...

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Main Author: V. V. Gonchar
Format: Article
Language:English
Published: Subbotin Institute of Geophysics of the National Academy of Sciences of Ukraine 2018-04-01
Series:Геофизический журнал
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Online Access:https://journals.uran.ua/geofizicheskiy/article/view/128931
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author V. V. Gonchar
author_facet V. V. Gonchar
author_sort V. V. Gonchar
collection DOAJ
description Results of numerical modeling have been presented for development of the Dnieper-Donets depression based on the thermal problem for lithosphere with selecting the surface conditions of accumulation of the cover. A series of paleotectonic sections has been plotted with facial filling characterizing northwestern, central and southeastern parts of the depression. Modeling reproduces the initial transgressive and posterior regressive directionality of sedimentation during riftogenesis, iterative marine transgression in Tournaisian — Early Visean, step out to subcontinental conditions at the end of Middle Carboniferous; wide development is forecasted in southeastern part of DDD for abyssal depression formations of Late Devonian-Early Carboniferous. Frames of lithosphere and asthenosphere have been plotted; profiles of average temperature of anomalous mantle and tectonic component of plunge have been reconstructed. They certificate differences in the course of deep process during riftogenesis in different parts of the depression, for post-rift stage they give, on the contrary, the pattern of spatially steady descent.
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spelling doaj-art-b97c1bafc56e4e8ba566103d4d17cadf2025-06-27T10:12:36ZengSubbotin Institute of Geophysics of the National Academy of Sciences of UkraineГеофизический журнал0203-31002524-10522018-04-0140210.24028/gzh.0203-3100.v40i2.2018.128931Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modelingV. V. Gonchar0S.I. Subbotin Institute of Geophysics, National Academy of Sciences of Ukraine, Kyiv Results of numerical modeling have been presented for development of the Dnieper-Donets depression based on the thermal problem for lithosphere with selecting the surface conditions of accumulation of the cover. A series of paleotectonic sections has been plotted with facial filling characterizing northwestern, central and southeastern parts of the depression. Modeling reproduces the initial transgressive and posterior regressive directionality of sedimentation during riftogenesis, iterative marine transgression in Tournaisian — Early Visean, step out to subcontinental conditions at the end of Middle Carboniferous; wide development is forecasted in southeastern part of DDD for abyssal depression formations of Late Devonian-Early Carboniferous. Frames of lithosphere and asthenosphere have been plotted; profiles of average temperature of anomalous mantle and tectonic component of plunge have been reconstructed. They certificate differences in the course of deep process during riftogenesis in different parts of the depression, for post-rift stage they give, on the contrary, the pattern of spatially steady descent. https://journals.uran.ua/geofizicheskiy/article/view/128931Dnieper-Donets depressionmodeling of the plungeriftogenesispost-rift evolutionfacies of sedimentation
spellingShingle V. V. Gonchar
Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modeling
Геофизический журнал
Dnieper-Donets depression
modeling of the plunge
riftogenesis
post-rift evolution
facies of sedimentation
title Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modeling
title_full Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modeling
title_fullStr Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modeling
title_full_unstemmed Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modeling
title_short Formation and sedimentary filling of the Dnieper- Donets depression (geodynamics and facies) in the light of new data of paleotectonic modeling
title_sort formation and sedimentary filling of the dnieper donets depression geodynamics and facies in the light of new data of paleotectonic modeling
topic Dnieper-Donets depression
modeling of the plunge
riftogenesis
post-rift evolution
facies of sedimentation
url https://journals.uran.ua/geofizicheskiy/article/view/128931
work_keys_str_mv AT vvgonchar formationandsedimentaryfillingofthednieperdonetsdepressiongeodynamicsandfaciesinthelightofnewdataofpaleotectonicmodeling