Search Results - "Carvalho, Marcelo Araújo de"

A methodological proposal for the recovery of palynomorphs from snow and ice samples by Rodrigues, Luiz Antonio da Costa, Agostini, Kamila da Matta, Alencar, Alexandre Santos de, Mendonça, Cláudia Barbieri Ferreira, Carvalho, Marcelo Araújo de, Gonçalves-Esteves, Vania

“…ABSTRACT The procedures for a set of techniques to recover grains of pollen 26 and spores from liquid samples are described. Liquefied samples of matrices,…”
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New records of hexanchiform sharks (Elasmobranchii: Neoselachii) from the Late Cretaceous of Antarctica with comments on previous reports and described taxa by dos Santos, Rodolfo Otávio, Riff, Douglas, Amenábar, Cecilia R., Ramos, Renato Rodriguez Cabral, Rodrigues, Igor Fernandes, Scheffler, Sandro Marcelo, Carvalho, Marcelo de Araújo

“…Sharks are virtually absent from coastal Antarctica since the Late Eocene glaciations, but this group exhibited a notable austral diversity during the…”
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Organic walled microfossils in wet peperites from the early Cretaceous Paraná-Etendeka volcanism of Brazil by Del Mouro, Lucas, Becker-Kerber, Bruno, Janasi, Valdecir A., de Araújo Carvalho, Marcelo, Waichel, Breno L., Lima, Evandro F., Rossetti, Lucas M. M., Cruz, Vinicius, Silva, Mateus Souza, Famelli, Natália, Ortega-Hernández, Javier

“…Large igneous provinces (LIPs) are major magmatic events that have a significant impact on the global environment and the biosphere, for example as triggers of…”
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Miocene fern spores and pollen grains from the Solimões Basin, Amazon Region, Brazil by Sá, Natália de Paula, Carvalho, Marcelo de Araújo

“…ABSTRACT This work documents fern spores and pollen grains (miospores) recovered from rocks of the Solimões Formation (Solimões Basin), their botanical…”
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A new species of cow shark (Hexanchiformes: Hexanchidae) from the Late Cretaceous of Seymour Island, Antarctica by Otávio dos Santos, Rodolfo, Riff, Douglas, Ramos, Renato Rodriguez Cabral, Fernandes Rodrigues, Igor, Scheffler, Sandro Marcelo, Sucerquia, Paula Andrea, de Araújo Carvalho, Marcelo

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Sedimentary organic matter applied to paleoenvironmental reconstruction of the Devonian of the Paraná Basin, SW Gondwana by Gonçalves, Caio Guilherme, Carvalho, Marcelo de Araujo, Trindade, Viviane Segundo Faria, Sedorko, Daniel, Scheffler, Sandro Marcelo

“…The study of sedimentary organic matter (SOM) is essential for understanding paleoenvironmental conditions and depositional settings of geological formations…”
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Palynofacies analyses of Santana Group, upper Aptian of the Araripe Basin, northeast Brazil: Paleoenvironmental reconstruction by Vallejo, Juan David, Piovesan, Enelise Katia, de Araujo Carvalho, Marcelo, Guzmán, Juliana

“…We present the paleoenvironmental analysis based on sedimentary organic matter (SOM) of alluvial-lacustrine-transitional deposits that crop out in the east…”
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Pollen grains in quaternary sediments from the Campos Basin, state of Rio de Janeiro, Brazil: Core BU-91-GL-05 by Freitas, Aline Gonçalves de, Carvalho, Marcelo de Araujo, Mendonça, Claudia Barbieri Ferreira, Gonçalves-Esteves, Vania

“…Here, we describe pollen grains extracted from a Pleistocene-Holocene sediment core (BU-91-GL-05; 22°48'45"S; 41°54'13"W) taken from the Albacora Slope…”
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Paleoenvironmental changes recorded in the Santa Marta Formation (Santonian–Campanian, Upper Cretaceous), James Ross Island, Antarctica, inferred from palynofacies analyses by Santiago, Gustavo, Carvalho, Marcelo de Araujo, Ramos, Renato Rodriguez Cabral, Scheffler, Sandro Marcelo

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Middle to Late Holocene paleoenvironmental changes in the coastal plain of southern Brazil by Silva, Wagner G., Souza, Paulo A., Garcia, Maria Judite, Carvalho, Marcelo de Araujo, Dillenburg, Sergio R., Cancelli, Rodrigo R., Kuhn, Lidia A.

“…The coastal plain of southern Brazil documents several environmental changes mainly related to sea-level fluctuation and climatic variations during the…”
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Albian/Cenomanian boundary in the Sergipe-Alagoas Basin: Sea-level changes and paleoecology based on ostracods by Vázquez-García, Bernardo, Kern, Henrique Parisi, dos Santos Filho, Marcos Antonio Batista, Fauth, Gerson, de Araujo Carvalho, Marcelo, Borghi, Leonardo, Netto, Aristóteles De Moraes Rios

“…This paper presents an analysis of the paleoenvironmental evolution of the Sergipe-Alagoas Basin, Brazil, at the Albian/Cenomanian boundary, based on ostracods…”
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Late Aptian paleoclimate reconstruction of the Brazilian equatorial margin: inferences from palynology by Cardoso da Silva Giannerini, Michelle, de Araujo Carvalho, Marcelo, Cunha Lana, Cecília, Santiago, Gustavo, de Paula Sá, Natália, da Cunha Correia, Gabriel

“…This study conducted high-resolution paleoclimatic analyses based on the identification of palynological groups of late Aptian age (biozone Sergipea…”
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Paleoenvironmental changes and influence on Operculodinium centrocarpum during the Quaternary in the Campos Basin, southwestern Brazil by Santos, Alessandra, de Araujo Carvalho, Marcelo, de Oliveira, Antônio Donizeti, Mendonça Filho, João Graciano

“…The purpose of this paper is to document the changes observed in the Quaternary dinoflagellate assemblages from 80 core samples from the Campos Basin. The…”
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Corrigendum: “Antarctic on fire”: Paleo-wildfire events associated with volcanic deposits in the Antarctic Peninsula during the Late Cretaceous by Manfroi, Joseline, Trevisan, Cristine, Dutra, Tânia Lindner, Jasper, André, Carvalho, Marcelo De Araujo, Aquino, Francisco Eliseu, Leppe, Marcelo

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“Antarctic on fire”: Paleo-wildfire events associated with volcanic deposits in the Antarctic Peninsula during the Late Cretaceous by Manfroi, Joseline, Trevisan, Cristine, Dutra, Tânia Lindner, Jasper, André, Carvalho, Marcelo De Araujo, Aquino, Francisco Eliseu, Leppe, Marcelo

“…The occurrence of paleo-wildfire events during the Campanian age of the Late Cretaceous is demonstrated in this study for the first time with deposits from the…”
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Del Museo Real al Museo Nacional/UFRJ, Rio de Janeiro, Brasil: fragmentos del pasado y del presente by Rodrigues-Carvalho, Claudia, Carvalho, Marcelo Araújo de, Martins, Wagner

“…Creado el 6 de Junio de 1818 por D. Joáo VI, rey de Portugal, Brasil y Algarve, el entonces Museo Real (posteriormente denominado Museo Nacional) se ideó como…”
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Palynological evidence of vegetation change during the last 10,000 years in the mid-valley of the Rio Doce, Brazil by Fonseca-Silva, Fernanda Mara, Carvalho, Marcelo de Araujo, Ribeiro, Sérvio Pontes

“…ABSTRACT In order to reconstruct the vegetation history of the last 10.000 years, palynological analyses were carried out using 17 sedimentary samples of a…”
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Calcareous nannofossils from the Santa Marta Formation (Upper Cretaceous), northern James Ross Island, Antarctic Peninsula by Guerra, Rodrigo do Monte, Concheyro, Andrea, Lees, Jackie, Fauth, Gerson, de Araujo Carvalho, Marcelo, Cabral Ramos, Renato Rodriguez

“…This study reports on the most stratigraphically extensive nannofloras yet recovered from the Lachman Crags Member of the Santa Marta Formation, James Ross…”
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Palynofacies Analyses of Fox Bay Formation (Devonian), Falkland Islands by CARVALHO, M. A., TRINDADE, V. S. F., GONÇALVES, C. G., COSTA, H.

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Bryophyte and pteridophyte spores and other palynomorphs in quaternary marine sediments from Campos Basin, southeastern Brazil: Core BU-91-GL-05 by Freitas, Aline Gonçalves de, Carvalho, Marcelo de Araujo, Toledo, Mauro Bevilacqua de, Mendonça, Claudia Barbieri Ferreira, Gonçalves-Esteves, Vania

“…This paper presents morphological descriptions and ecological data of cryptogam spores and other non-pollen palynomorphs from Quaternary sediments of Campos…”
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