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dc.contributor.authorShchepetkina, Alina-
dc.contributor.authorPonce, Juan José-
dc.contributor.authorCarmona, Noelia Beatriz-
dc.contributor.authorMángano, Gabriela-
dc.contributor.authorBuatois, Luis-
dc.contributor.authorRibas, Soledad-
dc.contributor.authorVillar Benvenuto, Marcela-
dc.date.accessioned2022-08-31T13:09:45Z-
dc.date.available2022-08-31T13:09:45Z-
dc.date.issued2020-05-
dc.identifier.citationShchepetkina et al., (2020) Sedimentological and ichnological analyses of the continental to marginal-marine Centenario Formation (Cretaceous), Neuquén Basin, Argentina: Reservoir implications. Marine and Petroleum Geology; 119; 104471es_ES
dc.identifier.issn0264-8172es_ES
dc.identifier.otherhttps://www.sciencedirect.com/science/article/abs/pii/S0264817220302543?via%3Dihubes_ES
dc.identifier.urihttp://rid.unrn.edu.ar/handle/20.500.12049/9059-
dc.description.abstractThe upper Valanginian – lower Aptian Centenario Formation is a significant producer of oil and gas in the Neuquén Basin, western Argentina. This formation is located exclusively in the subsurface of the eastern and northeastern Neuquén Basin, and is 450–1000 m thick. The Centenario Formation laterally interfingers with the Agrio Formation. Previous studies addressing the paleogeographic history of the Centenario Formation are scarce, and a comprehensive geological model has yet to be put forward. The current study scrutinizes the Centenario Formation, especially its lower member, within the northeastern Neuquén Basin. The study area includes the Cerro Hamaca Oeste, Señal Cerro Bayo, and Volcán Auca Mahuida oilfields operated by Yacimientos Petrolíferos Fiscales (YPF). Sedimentological and ichnological core data, geophysical well logs, and petrographic thin sections have been utilized to construct a geological model. Eleven sedimentary facies and three facies associations have been identified from the core dataset, providing insights into the paleoenvironmental settings and their stresses on infaunal colonization. Basin-margin deposits from the northeastern part of the study region were formed in continental environments, comprising ephemeral fluvial channel complexes and floodplains, and are ichnologically represented by rare Skolithos and common rhizoliths. The central part of the study area is interpreted as recording deposition in ephemeral lakes, river-dominated lake deltas, and coastal lagoons and sabkhas, and is represented by a combination of stressed expressions of both the Skolithos and Scoyenia Ichnofacies. River-dominated, storm-influenced delta deposits are located towards the southwestern limit of the study area, and are ichnologically represented by the Skolithos and depauperate Cruziana Ichnofacies. Deltaic deposits gradually transition into the basinal facies of the Agrio Formation to the west. Overall sedimentologic characteristics suggest semi-arid to arid climatic conditions during deposition.es_ES
dc.format.extentp.104471es_ES
dc.language.isoenes_ES
dc.publisherElsevieres_ES
dc.relation.urihttps://www.sciencedirect.com/journal/marine-and-petroleum-geologyes_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.titleSedimentological and ichnological analyses of the continental to marginal-marine Centenario Formation (Cretaceous), Neuquén Basin, Argentina: Reservoir implicationses_ES
dc.typeArticuloes_ES
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-ND 4.0)-
dc.description.filiationShchepetkina, Alina. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro; Agentina.es_ES
dc.description.filiationPonce, Juan José. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro; Agentina.es_ES
dc.description.filiationCarmona, Noelia Beatriz. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro; Agentina.es_ES
dc.description.filiationMángano, Gabriela. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK, Canada, S7N 5E2es_ES
dc.description.filiationBuatois, Luis. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK, Canada, S7N 5E2es_ES
dc.description.filiationRibas, Soledad. YPF, Talero 360, Neuquén, Neuquén, 8300, Argentinaes_ES
dc.description.filiationVillar Benvenuto, Marcela. YPF, Talero 360, Neuquén, Neuquén, 8300, Argentinaes_ES
dc.subject.keywordPaleoenvironmental reconstructiones_ES
dc.subject.keywordTrace fossilses_ES
dc.subject.keywordFluviales_ES
dc.subject.keywordLakeses_ES
dc.subject.keywordDeltases_ES
dc.subject.keywordEmbaymentes_ES
dc.subject.keywordPetroleum geologyes_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersiones_ES
dc.subject.materiaCiencias Ambientales y de la Tierraes_ES
dc.origin.lugarDesarrolloUniversidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geologíaes_ES
dc.relation.journalissue119es_ES
dc.description.reviewtruees_ES
dc.description.resumenThe upper Valanginian – lower Aptian Centenario Formation is a significant producer of oil and gas in the Neuquén Basin, western Argentina. This formation is located exclusively in the subsurface of the eastern and northeastern Neuquén Basin, and is 450–1000 m thick. The Centenario Formation laterally interfingers with the Agrio Formation. Previous studies addressing the paleogeographic history of the Centenario Formation are scarce, and a comprehensive geological model has yet to be put forward. The current study scrutinizes the Centenario Formation, especially its lower member, within the northeastern Neuquén Basin. The study area includes the Cerro Hamaca Oeste, Señal Cerro Bayo, and Volcán Auca Mahuida oilfields operated by Yacimientos Petrolíferos Fiscales (YPF). Sedimentological and ichnological core data, geophysical well logs, and petrographic thin sections have been utilized to construct a geological model. Eleven sedimentary facies and three facies associations have been identified from the core dataset, providing insights into the paleoenvironmental settings and their stresses on infaunal colonization. Basin-margin deposits from the northeastern part of the study region were formed in continental environments, comprising ephemeral fluvial channel complexes and floodplains, and are ichnologically represented by rare Skolithos and common rhizoliths. The central part of the study area is interpreted as recording deposition in ephemeral lakes, river-dominated lake deltas, and coastal lagoons and sabkhas, and is represented by a combination of stressed expressions of both the Skolithos and Scoyenia Ichnofacies. River-dominated, storm-influenced delta deposits are located towards the southwestern limit of the study area, and are ichnologically represented by the Skolithos and depauperate Cruziana Ichnofacies. Deltaic deposits gradually transition into the basinal facies of the Agrio Formation to the west. Overall sedimentologic characteristics suggest semi-arid to arid climatic conditions during deposition.es_ES
dc.identifier.doihttps://doi.org/10.1016/j.marpetgeo.2020.104471-
dc.relation.journalTitleMarine and Petroleum Geologyes_ES
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