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3. Provenance of pre- and Carboniferous sequences of the Esquel-Arroyo Pescado-Tepuel regions (Argentine Patagonia): A combined U–Pb and Hf isotope study of detrital zircon and constraints on depositional setting

Author

Uriz, Norberto Javier, primary, Cingolani, Carlos Alberto, additional, Taboada, Arturo César, additional, Arnol, Jonatan Ariel, additional, Basei, Miguel Angelo Stipp, additional, Abre, Paulina, additional, and Coelho dos Santos, Gabriela Soledad, additional

Published
2022
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4. The coupled occurrence of Cimmeriella-Jakutoproductus (Brachiopoda: Productidina) in Patagonia : implications for Early Permian high to middle paleolatitudinal correlations and paleoclimatic reconstruction

Author

Taboada, Arturo César, Pagani, María Alejandra, and Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina). Laboratorio de Investigaciones en Evolución y Biodiversidad

Subjects
Cimmeriella, Patagonia, Jakutoproductus, High paleolatitude correlations, Cisuralian
Abstract

The brachiopod species Jakutoproductus sabattiniae sp. nov. and Cimmeriella willi sp. nov. from the Cisuralian deposits of the Tepuel-Genoa basin are described here. Biostratigraphy and stratigraphy of the uppermost section of the Tepuel Group (Mojón de Hierro and Río Genoa formations) are analyzed and a distinctive faunal succession is recognized: the Cimmeriella and Jakutoproductus faunal assemblages of late Sakmarian (Sterlitamakian) and early Artinskian estimated ages, respectively. The lower Permian correlations of these faunal occurrences and the chronology of mostly early Permian glacial episodes between Western and Eastern Argentina with Patagonia are discussed. The coupled Verchojania-Jakutoproductus, Eurydesma-Cimmeriella and Cimmeriella-Jakutoproductus faunal records have been used as a tool for the correlation of early Permian marine sequences from the high to middle paleolatidudinal settings of both hemispheres.

Published
2021

8. The coupled occurrence of Cimmeriella-Jakutoproductus (Brachiopoda: Productidina) in Patagonia: implications for Early Permian high to middle paleolatitudinal correlations and paleoclimatic reconstruction

Author

Taboada, Arturo César and Pagani, María Alejandra

Abstract

The brachiopod species Jakutoproductus sabattiniae sp. nov. and Cimmeriella willi sp. nov. from the Cisuralian deposits of the Tepuel-Genoa basin are described here. Biostratigraphy and stratigraphy of the uppermost section of the Tepuel Group (Mojón de Hierro and Río Genoa formations) are analyzed and a distinctive faunal succession is recognized: the Cimmeriella and Jakutoproductus faunal assemblages of late Sakmarian (Sterlitamakian) and early Artinskian estimated ages, respectively. The lower Permian correlations of these faunal occurrences and the chronology of mostly early Permian glacial episodes between Western and Eastern Argentina with Patagonia are discussed. The coupled Verchojania-Jakutoproductus, Eurydesma-Cimmeriella and Cimmeriella-Jakutoproductus faunal records have been used as a tool for the correlation of early Permian marine sequences from the high to middle paleolatidudinal settings of both hemispheres.

Published
2010

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