The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality

The Late Cretaceous - Early Paleogene succession exposed in the type area of the Roca Formation (General Roca, Rfo Negro Province), has been sampled in detail. Analyses of the calcareous nannofossil assemblages indicate the Late Maastrichtian - Early Danian interval (CC26-NP4 zones; MARTINI 1971), w...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Del Río, C.J., Concheyro, A., Martínez, S.A.
Formato: JOUR
Lenguaje:English
Materias:
Biostratigraphy
Danian
Echinoderms
El formation
Jagü
Late maastrichtian
Mollusks
Nannofossils
Roca formation
Echinodermata
Invertebrata
Mollusca
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00777749_v259_n2_p129_DelRio
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00777749_v259_n2_p129_DelRio
record_format dspace
spelling todo:paper_00777749_v259_n2_p129_DelRio2023-10-03T14:54:15Z The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality Del Río, C.J. Concheyro, A. Martínez, S.A. Biostratigraphy Danian Echinoderms El formation Jagü Late maastrichtian Mollusks Nannofossils Roca formation Echinodermata Invertebrata Mollusca The Late Cretaceous - Early Paleogene succession exposed in the type area of the Roca Formation (General Roca, Rfo Negro Province), has been sampled in detail. Analyses of the calcareous nannofossil assemblages indicate the Late Maastrichtian - Early Danian interval (CC26-NP4 zones; MARTINI 1971), which is the first proved evidence of the Late Maastrichtian in the mentioned type area. Moreover, the "Rocanense" invertebrate fauna has been placed in a high resolution biostratigraphic scheme based on the nannofossil zones, and three assemblages have been recognized. © 2011 E. Schwelzerbart'sche Verlagsbuchhandlung, Stuttgart. Germany. Fil:Del Río, C.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Concheyro, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Martínez, S.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR English info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00777749_v259_n2_p129_DelRio
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language English
orig_language_str_mv English
topic Biostratigraphy
Danian
Echinoderms
El formation
Jagü
Late maastrichtian
Mollusks
Nannofossils
Roca formation
Echinodermata
Invertebrata
Mollusca
spellingShingle Biostratigraphy
Danian
Echinoderms
El formation
Jagü
Late maastrichtian
Mollusks
Nannofossils
Roca formation
Echinodermata
Invertebrata
Mollusca
Del Río, C.J.
Concheyro, A.
Martínez, S.A.
The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality
topic_facet Biostratigraphy
Danian
Echinoderms
El formation
Jagü
Late maastrichtian
Mollusks
Nannofossils
Roca formation
Echinodermata
Invertebrata
Mollusca
description The Late Cretaceous - Early Paleogene succession exposed in the type area of the Roca Formation (General Roca, Rfo Negro Province), has been sampled in detail. Analyses of the calcareous nannofossil assemblages indicate the Late Maastrichtian - Early Danian interval (CC26-NP4 zones; MARTINI 1971), which is the first proved evidence of the Late Maastrichtian in the mentioned type area. Moreover, the "Rocanense" invertebrate fauna has been placed in a high resolution biostratigraphic scheme based on the nannofossil zones, and three assemblages have been recognized. © 2011 E. Schwelzerbart'sche Verlagsbuchhandlung, Stuttgart. Germany.
format JOUR
author Del Río, C.J.
Concheyro, A.
Martínez, S.A.
author_facet Del Río, C.J.
Concheyro, A.
Martínez, S.A.
author_sort Del Río, C.J.
title The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality
title_short The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality
title_full The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality
title_fullStr The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality
title_full_unstemmed The maastrichtian - Danian at general roca (Patagonia, argentina): A reappraisal of the chronostratigraphy and biostratigraphy of a type locality
title_sort maastrichtian - danian at general roca (patagonia, argentina): a reappraisal of the chronostratigraphy and biostratigraphy of a type locality
url http://hdl.handle.net/20.500.12110/paper_00777749_v259_n2_p129_DelRio
work_keys_str_mv AT delriocj themaastrichtiandanianatgeneralrocapatagoniaargentinaareappraisalofthechronostratigraphyandbiostratigraphyofatypelocality
AT concheyroa themaastrichtiandanianatgeneralrocapatagoniaargentinaareappraisalofthechronostratigraphyandbiostratigraphyofatypelocality
AT martinezsa themaastrichtiandanianatgeneralrocapatagoniaargentinaareappraisalofthechronostratigraphyandbiostratigraphyofatypelocality
AT delriocj maastrichtiandanianatgeneralrocapatagoniaargentinaareappraisalofthechronostratigraphyandbiostratigraphyofatypelocality
AT concheyroa maastrichtiandanianatgeneralrocapatagoniaargentinaareappraisalofthechronostratigraphyandbiostratigraphyofatypelocality
AT martinezsa maastrichtiandanianatgeneralrocapatagoniaargentinaareappraisalofthechronostratigraphyandbiostratigraphyofatypelocality
_version_ 1782030655036588032

Ejemplares similares