The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)

The Lower Palaeozoic sedimentary cover of the Tandilia (Balcarce Formation) is made up of thick quartz arenite beds together with kaolinitic claystones and thin fine-grained conglomerates. The Balcarce Formation was formed in the nearshore and inner shelf environments of a tide-dominated and storm i...

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Autores: Poiré, D. G., Spalletti, L. A., Valle, A. del
Tipo de recurso: artículo
Fecha de publicación:2003
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:86185
Acceso en línea:https://ddd.uab.cat/record/86185
https://dx.doi.org/urn:doi:10.1344/105.000001591
Access Level:acceso abierto
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spelling The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)Facies, trace fossils, palaeoenvironments and sequence stratigraphyPoiré, D. G.Spalletti, L. A.Valle, A. delSpalletti, L. A.The Lower Palaeozoic sedimentary cover of the Tandilia (Balcarce Formation) is made up of thick quartz arenite beds together with kaolinitic claystones and thin fine-grained conglomerates. The Balcarce Formation was formed in the nearshore and inner shelf environments of a tide-dominated and storm influenced open platform. It shows many features suggesting tidal sedimentation. Coarse-grained facies were formed by sand bar migration and accretion. Heterolithic packages are interpreted as interbar (swale) deposits. Subordinated HCS sandstones indicate storm events. The recognition of thick progradational clinoforms allows to confirm that the Balcarce sea was open to the south, as suggested years ago through palaeocurrent interpretation. The great abundance and variety of trace fossils is among the most outstanding characteristics of this unit. The ichnotaxa that have been recognised so far are: Ancorichnus ancorichnus, Arthrophycus alleghaniensis, Arthrophycus isp., Bergaueria isp., Cochlichnus isp., Conostichus isp., Cruziana furcifera, Cruziana isp., Daedalus labeckei, Didymaulichnus lyelli, Didymaulichnus isp., Diplichnites isp., Diplocraterion isp., Herradurichnus scagliai, ?Monocraterion isp., Monomorphichnus isp., Palaeophycus alternatus, Palaeophycus tubularis, Palaeophycus isp., Phycodes aff. pedum, Phycodes isp., Plagiogmus isp., Planolites isp., Rusophycus isp., Scolicia isp. and Teichichnus isp. Trace fossils have traditionally been used to assign the Balcarce Formation to the Lower Ordovician, due to the presence of Cruziana furcifera. However, Plagiogmus is typical of Cambrian successions world-wide. 22003-01-0120032003-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/86185https://dx.doi.org/urn:doi:10.1344/105.000001591reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre i quan aquestes es distribueixin sota la mateixa llicència que regula l'obra original i es reconegui l'autoria.https://creativecommons.org/licenses/by-sa/3.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:861852026-06-06T12:50:31Z
dc.title.none.fl_str_mv The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
Facies, trace fossils, palaeoenvironments and sequence stratigraphy
title The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
spellingShingle The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
Poiré, D. G.
title_short The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
title_full The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
title_fullStr The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
title_full_unstemmed The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
title_sort The Cambrian-Ordovician siliciclastic platform of the Balcarce Formation (Tandilia System, Argentina)
dc.creator.none.fl_str_mv Poiré, D. G.
Spalletti, L. A.
Valle, A. del
Spalletti, L. A.
author Poiré, D. G.
author_facet Poiré, D. G.
Spalletti, L. A.
Valle, A. del
author_role author
author2 Spalletti, L. A.
Valle, A. del
author2_role author
author
description The Lower Palaeozoic sedimentary cover of the Tandilia (Balcarce Formation) is made up of thick quartz arenite beds together with kaolinitic claystones and thin fine-grained conglomerates. The Balcarce Formation was formed in the nearshore and inner shelf environments of a tide-dominated and storm influenced open platform. It shows many features suggesting tidal sedimentation. Coarse-grained facies were formed by sand bar migration and accretion. Heterolithic packages are interpreted as interbar (swale) deposits. Subordinated HCS sandstones indicate storm events. The recognition of thick progradational clinoforms allows to confirm that the Balcarce sea was open to the south, as suggested years ago through palaeocurrent interpretation. The great abundance and variety of trace fossils is among the most outstanding characteristics of this unit. The ichnotaxa that have been recognised so far are: Ancorichnus ancorichnus, Arthrophycus alleghaniensis, Arthrophycus isp., Bergaueria isp., Cochlichnus isp., Conostichus isp., Cruziana furcifera, Cruziana isp., Daedalus labeckei, Didymaulichnus lyelli, Didymaulichnus isp., Diplichnites isp., Diplocraterion isp., Herradurichnus scagliai, ?Monocraterion isp., Monomorphichnus isp., Palaeophycus alternatus, Palaeophycus tubularis, Palaeophycus isp., Phycodes aff. pedum, Phycodes isp., Plagiogmus isp., Planolites isp., Rusophycus isp., Scolicia isp. and Teichichnus isp. Trace fossils have traditionally been used to assign the Balcarce Formation to the Lower Ordovician, due to the presence of Cruziana furcifera. However, Plagiogmus is typical of Cambrian successions world-wide.
publishDate 2003
dc.date.none.fl_str_mv 2
2003-01-01
2003
2003-01-01
dc.type.none.fl_str_mv Article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://ddd.uab.cat/record/86185
https://dx.doi.org/urn:doi:10.1344/105.000001591
url https://ddd.uab.cat/record/86185
https://dx.doi.org/urn:doi:10.1344/105.000001591
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://creativecommons.org/licenses/by-sa/3.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
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eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
reponame_str Dipòsit Digital de Documents de la UAB
collection Dipòsit Digital de Documents de la UAB
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