High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea

Autores
Schwarz, Ernesto; Veiga, Gonzalo Diego; Spalletti, Luis Antonio
Año de publicación
2014
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
The presence of carbonate strata within siliciclastic-dominated marine successions poses serious challenges for palaeoenvironmental reconstructions and reservoir characterization, and unambiguous interpretations can emerge only when the spatial vs. temporal relationship between carbonate production and siliciclastic input is well understood. This study documents high-frequency sequences (probably of 4th-5th order) formed during Greenhouse conditions (Hauterivian) and Transitional/Icehouse conditions (Valanginian) in the epeiric sea of the Neuquén Basin, which were investigated across outcrop and subsurface transects parallel to depositional dip. Hauterivian high-frequency sequences (< 25 m thick) comprise coarsening-upward successions from offshore siliciclastic mudstones and siltstones with storm-related beds, passing into lower-shoreface bioturbated sandstones. Cross-bedded mixed deposits are capping the successions, and both biogenic (bivalvedominated) and non-biogenic (ooids) carbonate grains are common. These high-frequency sequences, bounded by flooding surfaces, represent mostly normal regressive conditions during low-amplitude, likely eustatically-controlled, relative sea-level changes. Coeval sedimentation occurred in the upper-shoreface setting, but carbonate shedding was negligible basinward. Valanginian high-frequency sequences, though similar in scale and duration, have a different internal architecture. Carbonate-dominated strata are bounded by erosional surfaces, they have a wider range of facies (ooid grainstones to skeletal wackestones), and commonly show a retrogradational staking. Carbonate packages are overlain by shallowing-upward, pure siliciclastics successions, comprising from offshore mudstones to shoreface cross-bedded sandstones. Carbonate and siliciclastic packages represent contrasting depositional systems and reciprocal sedimentation. A carbonate-dominated ramp developed during transgressive conditions, whereas deltas and associated shoreface system formed during progradational (highstand) conditions. Eustatic-based, sea-level changes alone cannot explain these highfrequency cycles. In addition, severe intracyclic climate changes from arid (carbonates) to humid (siliciclastics) phases could have trailed sea-level rises and highstand conditions, respectively. Glacialinterglacial climatic shifts are common in icehouse conditions, and could have taken place in the relatively cold Valanginian period.
Fil: Schwarz, Ernesto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: Veiga, Gonzalo Diego. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: Spalletti, Luis Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
AAPG 2014 Annual Convention and Exhibition
Houston
Estados Unidos
American Association of Petroleum Geologists
Society for Sedimentary Geology
Materia
SEDIMENTOLOGIA
SISTEMAS MIXTOS
CUENCA NEUQUINA
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/233381
Acceder
id CONICETDig_10369e34ec40f457a550dddc4e4c74e8
oai_identifier_str oai:ri.conicet.gov.ar:11336/233381
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric seaSchwarz, ErnestoVeiga, Gonzalo DiegoSpalletti, Luis AntonioSEDIMENTOLOGIASISTEMAS MIXTOSCUENCA NEUQUINAhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The presence of carbonate strata within siliciclastic-dominated marine successions poses serious challenges for palaeoenvironmental reconstructions and reservoir characterization, and unambiguous interpretations can emerge only when the spatial vs. temporal relationship between carbonate production and siliciclastic input is well understood. This study documents high-frequency sequences (probably of 4th-5th order) formed during Greenhouse conditions (Hauterivian) and Transitional/Icehouse conditions (Valanginian) in the epeiric sea of the Neuquén Basin, which were investigated across outcrop and subsurface transects parallel to depositional dip. Hauterivian high-frequency sequences (< 25 m thick) comprise coarsening-upward successions from offshore siliciclastic mudstones and siltstones with storm-related beds, passing into lower-shoreface bioturbated sandstones. Cross-bedded mixed deposits are capping the successions, and both biogenic (bivalvedominated) and non-biogenic (ooids) carbonate grains are common. These high-frequency sequences, bounded by flooding surfaces, represent mostly normal regressive conditions during low-amplitude, likely eustatically-controlled, relative sea-level changes. Coeval sedimentation occurred in the upper-shoreface setting, but carbonate shedding was negligible basinward. Valanginian high-frequency sequences, though similar in scale and duration, have a different internal architecture. Carbonate-dominated strata are bounded by erosional surfaces, they have a wider range of facies (ooid grainstones to skeletal wackestones), and commonly show a retrogradational staking. Carbonate packages are overlain by shallowing-upward, pure siliciclastics successions, comprising from offshore mudstones to shoreface cross-bedded sandstones. Carbonate and siliciclastic packages represent contrasting depositional systems and reciprocal sedimentation. A carbonate-dominated ramp developed during transgressive conditions, whereas deltas and associated shoreface system formed during progradational (highstand) conditions. Eustatic-based, sea-level changes alone cannot explain these highfrequency cycles. In addition, severe intracyclic climate changes from arid (carbonates) to humid (siliciclastics) phases could have trailed sea-level rises and highstand conditions, respectively. Glacialinterglacial climatic shifts are common in icehouse conditions, and could have taken place in the relatively cold Valanginian period.Fil: Schwarz, Ernesto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaFil: Veiga, Gonzalo Diego. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaFil: Spalletti, Luis Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaAAPG 2014 Annual Convention and ExhibitionHoustonEstados UnidosAmerican Association of Petroleum GeologistsSociety for Sedimentary GeologyAmerican Association of Petroleum Geologists2014info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectExposiciónJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/233381High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea; AAPG 2014 Annual Convention and Exhibition; Houston; Estados Unidos; 2014; 1-1CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.searchanddiscovery.com/abstracts/html/2014/90189ace/Internacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:20:45Zoai:ri.conicet.gov.ar:11336/233381instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-10 13:20:45.947CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
title High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
spellingShingle High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
Schwarz, Ernesto
SEDIMENTOLOGIA
SISTEMAS MIXTOS
CUENCA NEUQUINA
title_short High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
title_full High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
title_fullStr High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
title_full_unstemmed High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
title_sort High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea
dc.creator.none.fl_str_mv Schwarz, Ernesto
Veiga, Gonzalo Diego
Spalletti, Luis Antonio
author Schwarz, Ernesto
author_facet Schwarz, Ernesto
Veiga, Gonzalo Diego
Spalletti, Luis Antonio
author_role author
author2 Veiga, Gonzalo Diego
Spalletti, Luis Antonio
author2_role author
author
dc.subject.none.fl_str_mv SEDIMENTOLOGIA
SISTEMAS MIXTOS
CUENCA NEUQUINA
topic SEDIMENTOLOGIA
SISTEMAS MIXTOS
CUENCA NEUQUINA
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The presence of carbonate strata within siliciclastic-dominated marine successions poses serious challenges for palaeoenvironmental reconstructions and reservoir characterization, and unambiguous interpretations can emerge only when the spatial vs. temporal relationship between carbonate production and siliciclastic input is well understood. This study documents high-frequency sequences (probably of 4th-5th order) formed during Greenhouse conditions (Hauterivian) and Transitional/Icehouse conditions (Valanginian) in the epeiric sea of the Neuquén Basin, which were investigated across outcrop and subsurface transects parallel to depositional dip. Hauterivian high-frequency sequences (< 25 m thick) comprise coarsening-upward successions from offshore siliciclastic mudstones and siltstones with storm-related beds, passing into lower-shoreface bioturbated sandstones. Cross-bedded mixed deposits are capping the successions, and both biogenic (bivalvedominated) and non-biogenic (ooids) carbonate grains are common. These high-frequency sequences, bounded by flooding surfaces, represent mostly normal regressive conditions during low-amplitude, likely eustatically-controlled, relative sea-level changes. Coeval sedimentation occurred in the upper-shoreface setting, but carbonate shedding was negligible basinward. Valanginian high-frequency sequences, though similar in scale and duration, have a different internal architecture. Carbonate-dominated strata are bounded by erosional surfaces, they have a wider range of facies (ooid grainstones to skeletal wackestones), and commonly show a retrogradational staking. Carbonate packages are overlain by shallowing-upward, pure siliciclastics successions, comprising from offshore mudstones to shoreface cross-bedded sandstones. Carbonate and siliciclastic packages represent contrasting depositional systems and reciprocal sedimentation. A carbonate-dominated ramp developed during transgressive conditions, whereas deltas and associated shoreface system formed during progradational (highstand) conditions. Eustatic-based, sea-level changes alone cannot explain these highfrequency cycles. In addition, severe intracyclic climate changes from arid (carbonates) to humid (siliciclastics) phases could have trailed sea-level rises and highstand conditions, respectively. Glacialinterglacial climatic shifts are common in icehouse conditions, and could have taken place in the relatively cold Valanginian period.
Fil: Schwarz, Ernesto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: Veiga, Gonzalo Diego. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: Spalletti, Luis Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
AAPG 2014 Annual Convention and Exhibition
Houston
Estados Unidos
American Association of Petroleum Geologists
Society for Sedimentary Geology
description The presence of carbonate strata within siliciclastic-dominated marine successions poses serious challenges for palaeoenvironmental reconstructions and reservoir characterization, and unambiguous interpretations can emerge only when the spatial vs. temporal relationship between carbonate production and siliciclastic input is well understood. This study documents high-frequency sequences (probably of 4th-5th order) formed during Greenhouse conditions (Hauterivian) and Transitional/Icehouse conditions (Valanginian) in the epeiric sea of the Neuquén Basin, which were investigated across outcrop and subsurface transects parallel to depositional dip. Hauterivian high-frequency sequences (< 25 m thick) comprise coarsening-upward successions from offshore siliciclastic mudstones and siltstones with storm-related beds, passing into lower-shoreface bioturbated sandstones. Cross-bedded mixed deposits are capping the successions, and both biogenic (bivalvedominated) and non-biogenic (ooids) carbonate grains are common. These high-frequency sequences, bounded by flooding surfaces, represent mostly normal regressive conditions during low-amplitude, likely eustatically-controlled, relative sea-level changes. Coeval sedimentation occurred in the upper-shoreface setting, but carbonate shedding was negligible basinward. Valanginian high-frequency sequences, though similar in scale and duration, have a different internal architecture. Carbonate-dominated strata are bounded by erosional surfaces, they have a wider range of facies (ooid grainstones to skeletal wackestones), and commonly show a retrogradational staking. Carbonate packages are overlain by shallowing-upward, pure siliciclastics successions, comprising from offshore mudstones to shoreface cross-bedded sandstones. Carbonate and siliciclastic packages represent contrasting depositional systems and reciprocal sedimentation. A carbonate-dominated ramp developed during transgressive conditions, whereas deltas and associated shoreface system formed during progradational (highstand) conditions. Eustatic-based, sea-level changes alone cannot explain these highfrequency cycles. In addition, severe intracyclic climate changes from arid (carbonates) to humid (siliciclastics) phases could have trailed sea-level rises and highstand conditions, respectively. Glacialinterglacial climatic shifts are common in icehouse conditions, and could have taken place in the relatively cold Valanginian period.
publishDate 2014
dc.date.none.fl_str_mv 2014
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Exposición
Journal
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
status_str publishedVersion
format conferenceObject
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/233381
High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea; AAPG 2014 Annual Convention and Exhibition; Houston; Estados Unidos; 2014; 1-1
CONICET Digital
CONICET
url http://hdl.handle.net/11336/233381
identifier_str_mv High-frequency carbonate-siliciclastic interactions in siliciclastic-dominated systems: distinguishing between coeval and reciprocal sedimentation in a Lower Cretaceous epeiric sea; AAPG 2014 Annual Convention and Exhibition; Houston; Estados Unidos; 2014; 1-1
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.searchanddiscovery.com/abstracts/html/2014/90189ace/
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.coverage.none.fl_str_mv Internacional
dc.publisher.none.fl_str_mv American Association of Petroleum Geologists
publisher.none.fl_str_mv American Association of Petroleum Geologists
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1842981135926165504
score 12.48226

Publicaciones similares