Pleistocene mammals from the southern Brazilian continental shelf
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.jsames.2010.11.003 http://hdl.handle.net/11449/401 |
Resumo: | Fossils of terrestrial mammals preserved in submarine environment have been recorded in several places around the world. In Brazil such fossils are rather abundant in the southernmost portion of the coast, associated to fossiliferous concentrations at depths up to 10 m. Here is presented a review of such occurrences and the first record of fossils in deeper areas of the continental shelf. The fossils encompass several groups of both extinct and extant mammals, and exhibit several distinct taphonomic features, related to the marine environment. Those from the inner continental shelf are removed and transported from the submarine deposits to the coast during storm events, thus forming large konzentrat-lagerstatte on the beach, called "Concheiros". The only fossils from deeper zones of the shelf known so far are a portion of a skull, a left humerus and of a femur of Toxodon sp. and a lower right molar of a Stegomastodon waringi, all collected by fishermen at depths around 20 m. The presence of fossils at great depths and distances from the present coastline, without signs of abrasion and far from areas of fluvial discharges does indicate that these remains have not been transported from the continent to the shelf, but have been preserved directly on the area that today correspond to the continental shelf. These remains indicate the existence of large fossiliferous deposits that have developed during periods of sea-level lowstand (glacial maxima) and have been submerged and reworked by the sea-level rise at the end of the last glaciation. (C) 2010 Elsevier Ltd. All rights reserved. |
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Pleistocene mammals from the southern Brazilian continental shelfMegafaunaPleistoceneEustasyContinental shelfKonzentrat-lagerstatteRio Grande do SulFossils of terrestrial mammals preserved in submarine environment have been recorded in several places around the world. In Brazil such fossils are rather abundant in the southernmost portion of the coast, associated to fossiliferous concentrations at depths up to 10 m. Here is presented a review of such occurrences and the first record of fossils in deeper areas of the continental shelf. The fossils encompass several groups of both extinct and extant mammals, and exhibit several distinct taphonomic features, related to the marine environment. Those from the inner continental shelf are removed and transported from the submarine deposits to the coast during storm events, thus forming large konzentrat-lagerstatte on the beach, called "Concheiros". The only fossils from deeper zones of the shelf known so far are a portion of a skull, a left humerus and of a femur of Toxodon sp. and a lower right molar of a Stegomastodon waringi, all collected by fishermen at depths around 20 m. The presence of fossils at great depths and distances from the present coastline, without signs of abrasion and far from areas of fluvial discharges does indicate that these remains have not been transported from the continent to the shelf, but have been preserved directly on the area that today correspond to the continental shelf. These remains indicate the existence of large fossiliferous deposits that have developed during periods of sea-level lowstand (glacial maxima) and have been submerged and reworked by the sea-level rise at the end of the last glaciation. (C) 2010 Elsevier Ltd. All rights reserved.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Laboratorio de Ecologia de Comunidades Bentonicas (FURG)Univ Fed Rio Grande FURG, Programa Posgrad Geociencias UFRGS, Inst Oceanog, Lab Oceanog Geol,Setor Paleontol, BR-96201900 Rio Grande, RS, BrazilUniv Estadual São Paulo UNESP, BR-11330900 Sao Vicente, SP, BrazilUniv Estadual São Paulo UNESP, BR-11330900 Sao Vicente, SP, BrazilPergamon-Elsevier B.V. LtdUniversidade Federal do Rio Grande (FURG)Universidade Estadual Paulista (Unesp)Lopes, Renato PereiraBuchmann, Francisco Sekiguchi [UNESP]2014-05-20T13:12:26Z2014-05-20T13:12:26Z2011-02-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article17-27application/pdfhttp://dx.doi.org/10.1016/j.jsames.2010.11.003Journal of South American Earth Sciences. Oxford: Pergamon-Elsevier B.V. Ltd, v. 31, n. 1, p. 17-27, 2011.0895-9811http://hdl.handle.net/11449/40110.1016/j.jsames.2010.11.003WOS:000287427400002WOS000287427400002.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of South American Earth Sciences1.6390,829info:eu-repo/semantics/openAccess2023-10-29T06:11:14Zoai:repositorio.unesp.br:11449/401Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-10-29T06:11:14Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Pleistocene mammals from the southern Brazilian continental shelf |
title |
Pleistocene mammals from the southern Brazilian continental shelf |
spellingShingle |
Pleistocene mammals from the southern Brazilian continental shelf Lopes, Renato Pereira Megafauna Pleistocene Eustasy Continental shelf Konzentrat-lagerstatte Rio Grande do Sul |
title_short |
Pleistocene mammals from the southern Brazilian continental shelf |
title_full |
Pleistocene mammals from the southern Brazilian continental shelf |
title_fullStr |
Pleistocene mammals from the southern Brazilian continental shelf |
title_full_unstemmed |
Pleistocene mammals from the southern Brazilian continental shelf |
title_sort |
Pleistocene mammals from the southern Brazilian continental shelf |
author |
Lopes, Renato Pereira |
author_facet |
Lopes, Renato Pereira Buchmann, Francisco Sekiguchi [UNESP] |
author_role |
author |
author2 |
Buchmann, Francisco Sekiguchi [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Federal do Rio Grande (FURG) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Lopes, Renato Pereira Buchmann, Francisco Sekiguchi [UNESP] |
dc.subject.por.fl_str_mv |
Megafauna Pleistocene Eustasy Continental shelf Konzentrat-lagerstatte Rio Grande do Sul |
topic |
Megafauna Pleistocene Eustasy Continental shelf Konzentrat-lagerstatte Rio Grande do Sul |
description |
Fossils of terrestrial mammals preserved in submarine environment have been recorded in several places around the world. In Brazil such fossils are rather abundant in the southernmost portion of the coast, associated to fossiliferous concentrations at depths up to 10 m. Here is presented a review of such occurrences and the first record of fossils in deeper areas of the continental shelf. The fossils encompass several groups of both extinct and extant mammals, and exhibit several distinct taphonomic features, related to the marine environment. Those from the inner continental shelf are removed and transported from the submarine deposits to the coast during storm events, thus forming large konzentrat-lagerstatte on the beach, called "Concheiros". The only fossils from deeper zones of the shelf known so far are a portion of a skull, a left humerus and of a femur of Toxodon sp. and a lower right molar of a Stegomastodon waringi, all collected by fishermen at depths around 20 m. The presence of fossils at great depths and distances from the present coastline, without signs of abrasion and far from areas of fluvial discharges does indicate that these remains have not been transported from the continent to the shelf, but have been preserved directly on the area that today correspond to the continental shelf. These remains indicate the existence of large fossiliferous deposits that have developed during periods of sea-level lowstand (glacial maxima) and have been submerged and reworked by the sea-level rise at the end of the last glaciation. (C) 2010 Elsevier Ltd. All rights reserved. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-02-01 2014-05-20T13:12:26Z 2014-05-20T13:12:26Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.jsames.2010.11.003 Journal of South American Earth Sciences. Oxford: Pergamon-Elsevier B.V. Ltd, v. 31, n. 1, p. 17-27, 2011. 0895-9811 http://hdl.handle.net/11449/401 10.1016/j.jsames.2010.11.003 WOS:000287427400002 WOS000287427400002.pdf |
url |
http://dx.doi.org/10.1016/j.jsames.2010.11.003 http://hdl.handle.net/11449/401 |
identifier_str_mv |
Journal of South American Earth Sciences. Oxford: Pergamon-Elsevier B.V. Ltd, v. 31, n. 1, p. 17-27, 2011. 0895-9811 10.1016/j.jsames.2010.11.003 WOS:000287427400002 WOS000287427400002.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of South American Earth Sciences 1.639 0,829 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
17-27 application/pdf |
dc.publisher.none.fl_str_mv |
Pergamon-Elsevier B.V. Ltd |
publisher.none.fl_str_mv |
Pergamon-Elsevier B.V. Ltd |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799964748207357952 |