Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina
Bivalvos de agua dulce y sus condiciones ambientales en un sistema lacustre del Jurásico (Formación Cañadón Asfalto) de la Patagonia, Argentina
Resumen:
At the moment, two freshwater bivalve species were described for the continental Jurassic of Patagonia: Diplodon simplex Morton and Diplodon matildensis Morton from La Matilde Formation of the Santa Cruz province. The Cañadón Asfalto Formation located in Chubut province exhibits a high diverse invertebrate fossil fauna preserved mainly in lacustrine facies, which includes clam shrimps, bivalves, gastropods, ostracods and insects. However, few studies have been carried out on freshwater bivalve of this geological unit. In this work, a morphological description of bivalve assemblage and paleoenvironment analysis from the Cañadón Asfalto Formation was performed. Forty samples were collected from three stratigraphic levels at the Cañadón Asfalto locality. These levels are ash fall tuffs rich in glass particles accumulated in a lacustrine system with development of microbial activity. Morphological analyzes of outline and sizes were performed at each level. Our results showing the smallest-sized association of unionids recorded for the Jurassic time with size ranging from 7.6-11.7 mm long and 5.2-7.6 mm high. The environmental influence of pyroclastic falls could have played an important role in the development of the sizes of populations and shells.
Actualmente se han descrito dos especies de bivalvos de agua dulce para el Jurásico continental de la Patagonia: Diplodon simplex Morton y Diplodon matildensis Morton de la Formación La Matilde en la provincia de Santa Cruz. La Formación Cañadón Asfalto ubicada en la provincia de Chubut exhibe una fauna fósil de invertebrados muy diversa conservada principalmente en facies lacustres, que incluyen “conchostracos”, bivalvos, gasterópodos, ostrácodos e insectos. Sin embargo, se han efectuado pocos estudios sobre los bivalvos representados de esta unidad geológica. En este trabajo se realizó una descripción morfológica de restos de conchillas de bivalvos y el análisis del paleoambiente de la Formación Cañadón Asfalto. Se recolectaron cuarenta muestras de tres niveles estratigráficos en la localidad de Cañadón Asfalto. Estos niveles son tobas de caída de ceniza, ricas en partículas de vidrio acumuladas en un sistema lacustre con desarrollo de actividad microbiana. Se hicieron análisis morfológicos de contorno y tamaños en cada nivel. Nuestros resultados muestran la asociación de uniónidos de menor tamaño registrada para el Jurásico, con tamaños que oscilan entre 7,6 y 11,7 mm de largo y entre 5,2 y 7,6 mm de alto. La influencia ambiental de la caída de material piroclástico podría haber jugado un papel importante en el desarrollo de los tamaños de las poblaciones y conchillas.
2023 | |
PALEOENVIRONMENT BIVALVES UNIONIDS JURASSIC PALEOAMBIENTE BIVALVOS UNIONIDOS JURASICO |
|
Inglés | |
Universidad de la República | |
COLIBRI | |
https://hdl.handle.net/20.500.12008/42389 | |
Acceso abierto | |
Licencia Creative Commons Atribución (CC - By 4.0) |
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---|---|
author | Monferran, Mateo D. |
author2 | Cabaleri, Nora G. Armella, Claudia Martínez Chiappara, Sergio Agustín Gallego, Oscar F. Zacarías, Iracema A. Barrios Calathaki, Hugo G. |
author2_role | author author author author author author |
author_facet | Monferran, Mateo D. Cabaleri, Nora G. Armella, Claudia Martínez Chiappara, Sergio Agustín Gallego, Oscar F. Zacarías, Iracema A. Barrios Calathaki, Hugo G. |
author_role | author |
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collection | COLIBRI |
dc.contributor.filiacion.none.fl_str_mv | Monferran Mateo D. Cabaleri Nora G. Armella Claudia Martínez Chiappara Sergio Agustín, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ciencias Geológicas. Gallego Oscar F. Zacarías Iracema A. Barrios Calathaki Hugo G. |
dc.creator.none.fl_str_mv | Monferran, Mateo D. Cabaleri, Nora G. Armella, Claudia Martínez Chiappara, Sergio Agustín Gallego, Oscar F. Zacarías, Iracema A. Barrios Calathaki, Hugo G. |
dc.date.accessioned.none.fl_str_mv | 2024-02-06T19:37:07Z |
dc.date.available.none.fl_str_mv | 2024-02-06T19:37:07Z |
dc.date.issued.none.fl_str_mv | 2023 |
dc.description.abstract.none.fl_txt_mv | At the moment, two freshwater bivalve species were described for the continental Jurassic of Patagonia: Diplodon simplex Morton and Diplodon matildensis Morton from La Matilde Formation of the Santa Cruz province. The Cañadón Asfalto Formation located in Chubut province exhibits a high diverse invertebrate fossil fauna preserved mainly in lacustrine facies, which includes clam shrimps, bivalves, gastropods, ostracods and insects. However, few studies have been carried out on freshwater bivalve of this geological unit. In this work, a morphological description of bivalve assemblage and paleoenvironment analysis from the Cañadón Asfalto Formation was performed. Forty samples were collected from three stratigraphic levels at the Cañadón Asfalto locality. These levels are ash fall tuffs rich in glass particles accumulated in a lacustrine system with development of microbial activity. Morphological analyzes of outline and sizes were performed at each level. Our results showing the smallest-sized association of unionids recorded for the Jurassic time with size ranging from 7.6-11.7 mm long and 5.2-7.6 mm high. The environmental influence of pyroclastic falls could have played an important role in the development of the sizes of populations and shells. Actualmente se han descrito dos especies de bivalvos de agua dulce para el Jurásico continental de la Patagonia: Diplodon simplex Morton y Diplodon matildensis Morton de la Formación La Matilde en la provincia de Santa Cruz. La Formación Cañadón Asfalto ubicada en la provincia de Chubut exhibe una fauna fósil de invertebrados muy diversa conservada principalmente en facies lacustres, que incluyen “conchostracos”, bivalvos, gasterópodos, ostrácodos e insectos. Sin embargo, se han efectuado pocos estudios sobre los bivalvos representados de esta unidad geológica. En este trabajo se realizó una descripción morfológica de restos de conchillas de bivalvos y el análisis del paleoambiente de la Formación Cañadón Asfalto. Se recolectaron cuarenta muestras de tres niveles estratigráficos en la localidad de Cañadón Asfalto. Estos niveles son tobas de caída de ceniza, ricas en partículas de vidrio acumuladas en un sistema lacustre con desarrollo de actividad microbiana. Se hicieron análisis morfológicos de contorno y tamaños en cada nivel. Nuestros resultados muestran la asociación de uniónidos de menor tamaño registrada para el Jurásico, con tamaños que oscilan entre 7,6 y 11,7 mm de largo y entre 5,2 y 7,6 mm de alto. La influencia ambiental de la caída de material piroclástico podría haber jugado un papel importante en el desarrollo de los tamaños de las poblaciones y conchillas. |
dc.format.extent.es.fl_str_mv | 21 h. |
dc.format.mimetype.es.fl_str_mv | application/pdf |
dc.identifier.citation.es.fl_str_mv | Monferran, M, Cabaleri, N, Armella, C, y otros. "Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina". Andean Geology. [en línea] 2023, 50(2): 248-268. 21 h. DOI: 10.5027/andgeoV50n2-3461. |
dc.identifier.doi.none.fl_str_mv | 10.5027/andgeoV50n2-3461 |
dc.identifier.issn.none.fl_str_mv | 0718-7106 |
dc.identifier.uri.none.fl_str_mv | https://hdl.handle.net/20.500.12008/42389 |
dc.language.iso.none.fl_str_mv | en eng |
dc.publisher.es.fl_str_mv | Servicio Nacional de Geología y Minería (Chile) |
dc.relation.ispartof.es.fl_str_mv | Andean Geology, 2023, 50(2): 248-268. |
dc.rights.license.none.fl_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess |
dc.source.none.fl_str_mv | reponame:COLIBRI instname:Universidad de la República instacron:Universidad de la República |
dc.subject.other.es.fl_str_mv | PALEOENVIRONMENT BIVALVES UNIONIDS JURASSIC PALEOAMBIENTE BIVALVOS UNIONIDOS JURASICO |
dc.title.none.fl_str_mv | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina Bivalvos de agua dulce y sus condiciones ambientales en un sistema lacustre del Jurásico (Formación Cañadón Asfalto) de la Patagonia, Argentina |
dc.type.es.fl_str_mv | Artículo |
dc.type.none.fl_str_mv | info:eu-repo/semantics/article |
dc.type.version.none.fl_str_mv | info:eu-repo/semantics/publishedVersion |
description | At the moment, two freshwater bivalve species were described for the continental Jurassic of Patagonia: Diplodon simplex Morton and Diplodon matildensis Morton from La Matilde Formation of the Santa Cruz province. The Cañadón Asfalto Formation located in Chubut province exhibits a high diverse invertebrate fossil fauna preserved mainly in lacustrine facies, which includes clam shrimps, bivalves, gastropods, ostracods and insects. However, few studies have been carried out on freshwater bivalve of this geological unit. In this work, a morphological description of bivalve assemblage and paleoenvironment analysis from the Cañadón Asfalto Formation was performed. Forty samples were collected from three stratigraphic levels at the Cañadón Asfalto locality. These levels are ash fall tuffs rich in glass particles accumulated in a lacustrine system with development of microbial activity. Morphological analyzes of outline and sizes were performed at each level. Our results showing the smallest-sized association of unionids recorded for the Jurassic time with size ranging from 7.6-11.7 mm long and 5.2-7.6 mm high. The environmental influence of pyroclastic falls could have played an important role in the development of the sizes of populations and shells. |
eu_rights_str_mv | openAccess |
format | article |
id | COLIBRI_27e883be6de7a184d04139ffe837491e |
identifier_str_mv | Monferran, M, Cabaleri, N, Armella, C, y otros. "Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina". Andean Geology. [en línea] 2023, 50(2): 248-268. 21 h. DOI: 10.5027/andgeoV50n2-3461. 0718-7106 10.5027/andgeoV50n2-3461 |
instacron_str | Universidad de la República |
institution | Universidad de la República |
instname_str | Universidad de la República |
language | eng |
language_invalid_str_mv | en |
network_acronym_str | COLIBRI |
network_name_str | COLIBRI |
oai_identifier_str | oai:colibri.udelar.edu.uy:20.500.12008/42389 |
publishDate | 2023 |
reponame_str | COLIBRI |
repository.mail.fl_str_mv | mabel.seroubian@seciu.edu.uy |
repository.name.fl_str_mv | COLIBRI - Universidad de la República |
repository_id_str | 4771 |
rights_invalid_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
spelling | Monferran Mateo D.Cabaleri Nora G.Armella ClaudiaMartínez Chiappara Sergio Agustín, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ciencias Geológicas.Gallego Oscar F.Zacarías Iracema A.Barrios Calathaki Hugo G.2024-02-06T19:37:07Z2024-02-06T19:37:07Z2023Monferran, M, Cabaleri, N, Armella, C, y otros. "Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina". Andean Geology. [en línea] 2023, 50(2): 248-268. 21 h. DOI: 10.5027/andgeoV50n2-3461.0718-7106https://hdl.handle.net/20.500.12008/4238910.5027/andgeoV50n2-3461At the moment, two freshwater bivalve species were described for the continental Jurassic of Patagonia: Diplodon simplex Morton and Diplodon matildensis Morton from La Matilde Formation of the Santa Cruz province. The Cañadón Asfalto Formation located in Chubut province exhibits a high diverse invertebrate fossil fauna preserved mainly in lacustrine facies, which includes clam shrimps, bivalves, gastropods, ostracods and insects. However, few studies have been carried out on freshwater bivalve of this geological unit. In this work, a morphological description of bivalve assemblage and paleoenvironment analysis from the Cañadón Asfalto Formation was performed. Forty samples were collected from three stratigraphic levels at the Cañadón Asfalto locality. These levels are ash fall tuffs rich in glass particles accumulated in a lacustrine system with development of microbial activity. Morphological analyzes of outline and sizes were performed at each level. Our results showing the smallest-sized association of unionids recorded for the Jurassic time with size ranging from 7.6-11.7 mm long and 5.2-7.6 mm high. The environmental influence of pyroclastic falls could have played an important role in the development of the sizes of populations and shells.Actualmente se han descrito dos especies de bivalvos de agua dulce para el Jurásico continental de la Patagonia: Diplodon simplex Morton y Diplodon matildensis Morton de la Formación La Matilde en la provincia de Santa Cruz. La Formación Cañadón Asfalto ubicada en la provincia de Chubut exhibe una fauna fósil de invertebrados muy diversa conservada principalmente en facies lacustres, que incluyen “conchostracos”, bivalvos, gasterópodos, ostrácodos e insectos. Sin embargo, se han efectuado pocos estudios sobre los bivalvos representados de esta unidad geológica. En este trabajo se realizó una descripción morfológica de restos de conchillas de bivalvos y el análisis del paleoambiente de la Formación Cañadón Asfalto. Se recolectaron cuarenta muestras de tres niveles estratigráficos en la localidad de Cañadón Asfalto. Estos niveles son tobas de caída de ceniza, ricas en partículas de vidrio acumuladas en un sistema lacustre con desarrollo de actividad microbiana. Se hicieron análisis morfológicos de contorno y tamaños en cada nivel. Nuestros resultados muestran la asociación de uniónidos de menor tamaño registrada para el Jurásico, con tamaños que oscilan entre 7,6 y 11,7 mm de largo y entre 5,2 y 7,6 mm de alto. La influencia ambiental de la caída de material piroclástico podría haber jugado un papel importante en el desarrollo de los tamaños de las poblaciones y conchillas.Submitted by Parodi Mónica (mparodi@fcien.edu.uy) on 2024-02-05T14:38:39Z No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.5027andgeoV50n2-3461.pdf: 8427754 bytes, checksum: ab07b50cc6ea7c20295cf275ccd0eed1 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2024-02-06T13:18:06Z (GMT) No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.5027andgeoV50n2-3461.pdf: 8427754 bytes, checksum: ab07b50cc6ea7c20295cf275ccd0eed1 (MD5)Made available in DSpace by Seroubian Mabel (mabel.seroubian@seciu.edu.uy) on 2024-02-06T19:37:07Z (GMT). No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.5027andgeoV50n2-3461.pdf: 8427754 bytes, checksum: ab07b50cc6ea7c20295cf275ccd0eed1 (MD5) Previous issue date: 202321 h.application/pdfenengServicio Nacional de Geología y Minería (Chile)Andean Geology, 2023, 50(2): 248-268.Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC - By 4.0)PALEOENVIRONMENTBIVALVESUNIONIDSJURASSICPALEOAMBIENTEBIVALVOSUNIONIDOSJURASICOFreshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, ArgentinaBivalvos de agua dulce y sus condiciones ambientales en un sistema lacustre del Jurásico (Formación Cañadón Asfalto) de la Patagonia, ArgentinaArtículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaMonferran, Mateo D.Cabaleri, Nora G.Armella, ClaudiaMartínez Chiappara, Sergio AgustínGallego, Oscar F.Zacarías, Iracema A.Barrios Calathaki, Hugo G.LICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/42389/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; 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- Universidad de la Repúblicafalse |
spellingShingle | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina Monferran, Mateo D. PALEOENVIRONMENT BIVALVES UNIONIDS JURASSIC PALEOAMBIENTE BIVALVOS UNIONIDOS JURASICO |
status_str | publishedVersion |
title | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina |
title_full | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina |
title_fullStr | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina |
title_full_unstemmed | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina |
title_short | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina |
title_sort | Freshwater bivalves and their environmental conditions in a Jurassic lacustrine system (Cañadón Asfalto Formation) from Patagonia, Argentina |
topic | PALEOENVIRONMENT BIVALVES UNIONIDS JURASSIC PALEOAMBIENTE BIVALVOS UNIONIDOS JURASICO |
url | https://hdl.handle.net/20.500.12008/42389 |