Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina

As part of microfacies studies carried out on the Tithonian – Valanginian carbonate ramp of the Neuquén Basin, two stratigraphic sections of the Vaca Muerta Formation (Arroyo Loncoche and Río Seco de la Cara Cura) were chosen in order to analyze the chitinoidellid content and distribution. Calpionel...

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Detalles Bibliográficos
Autor principal: Kietzmann, Diego Alejandro
Publicado: 2017
Materias:
Biostratigraphy
Calpionellids
Jurassic-Cretaceous transition
Southern Hemisphere
ammonite
biostratigraphy
calcite
Jurassic-Cretaceous boundary
microfacies
Tithonian
Argentina
Cuba
Mexico [North America]
Neuquen Basin
Codonellopsidae
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v76_n_p152_Kietzmann
http://hdl.handle.net/20.500.12110/paper_08959811_v76_n_p152_Kietzmann
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_08959811_v76_n_p152_Kietzmann
record_format dspace
spelling paper:paper_08959811_v76_n_p152_Kietzmann2023-06-08T15:48:57Z Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina Kietzmann, Diego Alejandro Biostratigraphy Calpionellids Jurassic-Cretaceous transition Southern Hemisphere ammonite biostratigraphy calcite Jurassic-Cretaceous boundary microfacies Southern Hemisphere Tithonian Argentina Cuba Mexico [North America] Neuquen Basin Codonellopsidae As part of microfacies studies carried out on the Tithonian – Valanginian carbonate ramp of the Neuquén Basin, two stratigraphic sections of the Vaca Muerta Formation (Arroyo Loncoche and Río Seco de la Cara Cura) were chosen in order to analyze the chitinoidellid content and distribution. Calpionellids in the studied sections are relatively poorly preserved; hyaline calcite walls are often recrystallized making the systematic determination difficult. However, microgranular calcite walls seem to have resisted better the incipient neomorphism presented by the limestones of the Vaca Muerta Formation. Seven known species of Chitinoidellidae and four known species of Calpionellidae are recognized. The distribution of calpionellid species allows recognizing the Chitinoidella and Crassicollaria Zones in the Neuquén Basin. The Chitinoidella Zone correlates with the Virgatosphinctes mendozanus–Windhauseniceras internispinosum Andean ammonite Zones, and can be divided into two subzones. The lower one is poorly defined, while the upper one can be assigned to the Boneti Subzone. The Crassicollaria Zone in the Neuquén basin needs a detailed revision, but data provided in this work enable its correlation at least with the Corongoceras alternans ammonite Zone. Similar associations were reported in Mexico and Cuba, showing good consistency between these regions. However, in the Neuquén Basin unlike the Tethys, chitinoidellids persist until the lower Berriasian. © 2017 Elsevier Ltd Fil:Kietzmann, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2017 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v76_n_p152_Kietzmann http://hdl.handle.net/20.500.12110/paper_08959811_v76_n_p152_Kietzmann
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Biostratigraphy
Calpionellids
Jurassic-Cretaceous transition
Southern Hemisphere
ammonite
biostratigraphy
calcite
Jurassic-Cretaceous boundary
microfacies
Southern Hemisphere
Tithonian
Argentina
Cuba
Mexico [North America]
Neuquen Basin
Codonellopsidae
spellingShingle Biostratigraphy
Calpionellids
Jurassic-Cretaceous transition
Southern Hemisphere
ammonite
biostratigraphy
calcite
Jurassic-Cretaceous boundary
microfacies
Southern Hemisphere
Tithonian
Argentina
Cuba
Mexico [North America]
Neuquen Basin
Codonellopsidae
Kietzmann, Diego Alejandro
Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina
topic_facet Biostratigraphy
Calpionellids
Jurassic-Cretaceous transition
Southern Hemisphere
ammonite
biostratigraphy
calcite
Jurassic-Cretaceous boundary
microfacies
Southern Hemisphere
Tithonian
Argentina
Cuba
Mexico [North America]
Neuquen Basin
Codonellopsidae
description As part of microfacies studies carried out on the Tithonian – Valanginian carbonate ramp of the Neuquén Basin, two stratigraphic sections of the Vaca Muerta Formation (Arroyo Loncoche and Río Seco de la Cara Cura) were chosen in order to analyze the chitinoidellid content and distribution. Calpionellids in the studied sections are relatively poorly preserved; hyaline calcite walls are often recrystallized making the systematic determination difficult. However, microgranular calcite walls seem to have resisted better the incipient neomorphism presented by the limestones of the Vaca Muerta Formation. Seven known species of Chitinoidellidae and four known species of Calpionellidae are recognized. The distribution of calpionellid species allows recognizing the Chitinoidella and Crassicollaria Zones in the Neuquén Basin. The Chitinoidella Zone correlates with the Virgatosphinctes mendozanus–Windhauseniceras internispinosum Andean ammonite Zones, and can be divided into two subzones. The lower one is poorly defined, while the upper one can be assigned to the Boneti Subzone. The Crassicollaria Zone in the Neuquén basin needs a detailed revision, but data provided in this work enable its correlation at least with the Corongoceras alternans ammonite Zone. Similar associations were reported in Mexico and Cuba, showing good consistency between these regions. However, in the Neuquén Basin unlike the Tethys, chitinoidellids persist until the lower Berriasian. © 2017 Elsevier Ltd
author Kietzmann, Diego Alejandro
author_facet Kietzmann, Diego Alejandro
author_sort Kietzmann, Diego Alejandro
title Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina
title_short Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina
title_full Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina
title_fullStr Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina
title_full_unstemmed Chitinoidellids from the Early Tithonian–Early Valanginian Vaca Muerta Formation in the Northern Neuquén Basin, Argentina
title_sort chitinoidellids from the early tithonian–early valanginian vaca muerta formation in the northern neuquén basin, argentina
publishDate 2017
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v76_n_p152_Kietzmann
http://hdl.handle.net/20.500.12110/paper_08959811_v76_n_p152_Kietzmann
work_keys_str_mv AT kietzmanndiegoalejandro chitinoidellidsfromtheearlytithonianearlyvalanginianvacamuertaformationinthenorthernneuquenbasinargentina
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