The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review

Detalhes bibliográficos
Autor(a) principal: Koutsoukos, Eduardo A. M
Data de Publicação: 2006
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Anuário do Instituto de Geociências (Online)
Texto Completo: https://revistas.ufrj.br/index.php/aigeo/article/view/6307
Resumo: The Poty Quarry, near Recife, Pernambuco, in northeastern Brazil, is presently the best exposed marine Cretaceous-Paleogene (K/Pg) boundary section known in southern low-latitude regions, spanning the uppermost Maastrichtian, Plummerita hantkeninoides Zone, to Danian, Pα, P1a/P1b and P2 zones. It provides evidence for a possible extraterrestrial bolide impact which occurred in the earliest Danian, corresponding to near or at the boundary between the Pα and P1a foraminiferal zones (c. 100,000 to 200,000 years after the K/Pg transition). The dating of the possible impact-triggered tsunami beds at Poty suggests a secondary K/Pg boundary event, perhaps part of multiple impacts during a few hundred thousand years around the transition.
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spelling The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a reviewThe Poty Quarry, near Recife, Pernambuco, in northeastern Brazil, is presently the best exposed marine Cretaceous-Paleogene (K/Pg) boundary section known in southern low-latitude regions, spanning the uppermost Maastrichtian, Plummerita hantkeninoides Zone, to Danian, Pα, P1a/P1b and P2 zones. It provides evidence for a possible extraterrestrial bolide impact which occurred in the earliest Danian, corresponding to near or at the boundary between the Pα and P1a foraminiferal zones (c. 100,000 to 200,000 years after the K/Pg transition). The dating of the possible impact-triggered tsunami beds at Poty suggests a secondary K/Pg boundary event, perhaps part of multiple impacts during a few hundred thousand years around the transition.Universidade Federal do Rio de Janeiro2006-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revistas.ufrj.br/index.php/aigeo/article/view/630710.11137/2006_1_95-107Anuário do Instituto de Geociências; Vol 29, No 1 (2006); 95-107Anuário do Instituto de Geociências; Vol 29, No 1 (2006); 95-1071982-39080101-9759reponame:Anuário do Instituto de Geociências (Online)instname:Universidade Federal do Rio de Janeiro (UFRJ)instacron:UFRJenghttps://revistas.ufrj.br/index.php/aigeo/article/view/6307/4904Copyright (c) 2006 Anuário do Instituto de Geociênciashttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessKoutsoukos, Eduardo A. M2022-10-17T14:31:10Zoai:www.revistas.ufrj.br:article/6307Revistahttps://revistas.ufrj.br/index.php/aigeo/indexPUBhttps://revistas.ufrj.br/index.php/aigeo/oaianuario@igeo.ufrj.br||1982-39080101-9759opendoar:2022-10-17T14:31:10Anuário do Instituto de Geociências (Online) - Universidade Federal do Rio de Janeiro (UFRJ)false
dc.title.none.fl_str_mv The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
title The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
spellingShingle The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
Koutsoukos, Eduardo A. M
title_short The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
title_full The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
title_fullStr The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
title_full_unstemmed The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
title_sort The Cretaceous-Paleogene boundary at the Poty section, NE Brazil: foraminiferal record and sequence of events - a review
author Koutsoukos, Eduardo A. M
author_facet Koutsoukos, Eduardo A. M
author_role author
dc.contributor.author.fl_str_mv Koutsoukos, Eduardo A. M
description The Poty Quarry, near Recife, Pernambuco, in northeastern Brazil, is presently the best exposed marine Cretaceous-Paleogene (K/Pg) boundary section known in southern low-latitude regions, spanning the uppermost Maastrichtian, Plummerita hantkeninoides Zone, to Danian, Pα, P1a/P1b and P2 zones. It provides evidence for a possible extraterrestrial bolide impact which occurred in the earliest Danian, corresponding to near or at the boundary between the Pα and P1a foraminiferal zones (c. 100,000 to 200,000 years after the K/Pg transition). The dating of the possible impact-triggered tsunami beds at Poty suggests a secondary K/Pg boundary event, perhaps part of multiple impacts during a few hundred thousand years around the transition.
publishDate 2006
dc.date.none.fl_str_mv 2006-01-01
dc.type.none.fl_str_mv

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10.11137/2006_1_95-107
url https://revistas.ufrj.br/index.php/aigeo/article/view/6307
identifier_str_mv 10.11137/2006_1_95-107
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://revistas.ufrj.br/index.php/aigeo/article/view/6307/4904
dc.rights.driver.fl_str_mv Copyright (c) 2006 Anuário do Instituto de Geociências
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rights_invalid_str_mv Copyright (c) 2006 Anuário do Instituto de Geociências
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dc.publisher.none.fl_str_mv Universidade Federal do Rio de Janeiro
publisher.none.fl_str_mv Universidade Federal do Rio de Janeiro
dc.source.none.fl_str_mv Anuário do Instituto de Geociências; Vol 29, No 1 (2006); 95-107
Anuário do Instituto de Geociências; Vol 29, No 1 (2006); 95-107
1982-3908
0101-9759
reponame:Anuário do Instituto de Geociências (Online)
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