Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression
Background. The Anadyr depression has a marginal structure. It comprises four sub-regional elements. Disjunctive dislocations are widely developed within the area.Aim. To reconstruct the paleogeographic and litho-facies conditions of the formation of the Meso-Cenozoic sediments of the Anadyr depress...
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Sergo Ordzhonikidze Russian State University for Geological Prospecting
2021
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Online Access: | https://doi.org/10.32454/0016-7762-2020-63-4-39-51 https://doaj.org/article/0590bb0508414270b068d39e7d565f0b |
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ftdoajarticles:oai:doaj.org/article:0590bb0508414270b068d39e7d565f0b 2023-05-15T13:24:31+02:00 Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression S. A. Guryanov 2021-10-01T00:00:00Z https://doi.org/10.32454/0016-7762-2020-63-4-39-51 https://doaj.org/article/0590bb0508414270b068d39e7d565f0b RU rus Sergo Ordzhonikidze Russian State University for Geological Prospecting https://www.geology-mgri.ru/jour/article/view/683 https://doaj.org/toc/0016-7762 https://doaj.org/toc/2618-8708 0016-7762 2618-8708 doi:10.32454/0016-7762-2020-63-4-39-51 https://doaj.org/article/0590bb0508414270b068d39e7d565f0b Известия высших учебных заведений: Геология и разведка, Vol 63, Iss 4, Pp 39-51 (2021) анадырский прогиб палеореконструкция литолого-фациальный анализ палеогеографические схемы Geology QE1-996.5 article 2021 ftdoajarticles https://doi.org/10.32454/0016-7762-2020-63-4-39-51 2023-03-19T01:40:27Z Background. The Anadyr depression has a marginal structure. It comprises four sub-regional elements. Disjunctive dislocations are widely developed within the area.Aim. To reconstruct the paleogeographic and litho-facies conditions of the formation of the Meso-Cenozoic sediments of the Anadyr depression. The reconstruction was performed by evaluating the initial data and developing paleogeographic and litho-facies maps. Data on the conditions of sediment formation in the study area, rich in hydrocarbon and mineral deposits, is essential from a practical standpoint.Materials and methods. Paleogeographic reconstructions of the Anadyr depression were performed based on an analysis of the sediment thickness and litho-facies composition of the relevant age. To build litho-facies maps, we used the data on the material composition of the Bering Sea sedimentary cover and adjacent areas, including well-drilling data, outcropping descriptions, thickness gradient analysis, seismic study results, etc.Results. In the course of the work, sedimentary environment maps were created. Litho-facies maps were developed for all four main sedimentary complexes of the Anadyr depression. Based on the generalised geological data and paleoreconstructions, we constructed forecasting schemes of the distribution of barrier formations in the study area.Conclusions. It was found that the formation of the sedimentary cover of the Anadyr depression took place mainly in shallow-water sedimentary environments. In addition, the depths of paleobasins did not overpass the internal relatively shallow marine shelf. Based on the analysis, two most probable reservoirs were selected. Regional fluid and potential seals were characterised. Article in Journal/Newspaper Anadyr Anadyr' Bering Sea Directory of Open Access Journals: DOAJ Articles Bering Sea Anadyr ENVELOPE(177.510,177.510,64.734,64.734) Anadyr’ ENVELOPE(176.233,176.233,64.882,64.882) Proceedings of higher educational establishments. Geology and Exploration 63 4 39 51 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
Russian |
topic |
анадырский прогиб палеореконструкция литолого-фациальный анализ палеогеографические схемы Geology QE1-996.5 |
spellingShingle |
анадырский прогиб палеореконструкция литолого-фациальный анализ палеогеографические схемы Geology QE1-996.5 S. A. Guryanov Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression |
topic_facet |
анадырский прогиб палеореконструкция литолого-фациальный анализ палеогеографические схемы Geology QE1-996.5 |
description |
Background. The Anadyr depression has a marginal structure. It comprises four sub-regional elements. Disjunctive dislocations are widely developed within the area.Aim. To reconstruct the paleogeographic and litho-facies conditions of the formation of the Meso-Cenozoic sediments of the Anadyr depression. The reconstruction was performed by evaluating the initial data and developing paleogeographic and litho-facies maps. Data on the conditions of sediment formation in the study area, rich in hydrocarbon and mineral deposits, is essential from a practical standpoint.Materials and methods. Paleogeographic reconstructions of the Anadyr depression were performed based on an analysis of the sediment thickness and litho-facies composition of the relevant age. To build litho-facies maps, we used the data on the material composition of the Bering Sea sedimentary cover and adjacent areas, including well-drilling data, outcropping descriptions, thickness gradient analysis, seismic study results, etc.Results. In the course of the work, sedimentary environment maps were created. Litho-facies maps were developed for all four main sedimentary complexes of the Anadyr depression. Based on the generalised geological data and paleoreconstructions, we constructed forecasting schemes of the distribution of barrier formations in the study area.Conclusions. It was found that the formation of the sedimentary cover of the Anadyr depression took place mainly in shallow-water sedimentary environments. In addition, the depths of paleobasins did not overpass the internal relatively shallow marine shelf. Based on the analysis, two most probable reservoirs were selected. Regional fluid and potential seals were characterised. |
format |
Article in Journal/Newspaper |
author |
S. A. Guryanov |
author_facet |
S. A. Guryanov |
author_sort |
S. A. Guryanov |
title |
Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression |
title_short |
Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression |
title_full |
Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression |
title_fullStr |
Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression |
title_full_unstemmed |
Paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the Anadyr depression |
title_sort |
paleogeographic and litho-facial conditions of meso-cenozoic sediment formation of the anadyr depression |
publisher |
Sergo Ordzhonikidze Russian State University for Geological Prospecting |
publishDate |
2021 |
url |
https://doi.org/10.32454/0016-7762-2020-63-4-39-51 https://doaj.org/article/0590bb0508414270b068d39e7d565f0b |
long_lat |
ENVELOPE(177.510,177.510,64.734,64.734) ENVELOPE(176.233,176.233,64.882,64.882) |
geographic |
Bering Sea Anadyr Anadyr’ |
geographic_facet |
Bering Sea Anadyr Anadyr’ |
genre |
Anadyr Anadyr' Bering Sea |
genre_facet |
Anadyr Anadyr' Bering Sea |
op_source |
Известия высших учебных заведений: Геология и разведка, Vol 63, Iss 4, Pp 39-51 (2021) |
op_relation |
https://www.geology-mgri.ru/jour/article/view/683 https://doaj.org/toc/0016-7762 https://doaj.org/toc/2618-8708 0016-7762 2618-8708 doi:10.32454/0016-7762-2020-63-4-39-51 https://doaj.org/article/0590bb0508414270b068d39e7d565f0b |
op_doi |
https://doi.org/10.32454/0016-7762-2020-63-4-39-51 |
container_title |
Proceedings of higher educational establishments. Geology and Exploration |
container_volume |
63 |
container_issue |
4 |
container_start_page |
39 |
op_container_end_page |
51 |
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1766380077204897792 |