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Olga Oliveira de Araújo

Universidade Federal do Rio de Janeiro (UFRJ)

Athos da Silveira Ramos 149

Rio de Janeiro, 21941-909

Brazil

  • Universidade Federal do Rio de Janeiro (UFRJ)

SCHOLARLY PAPERS

9

DOWNLOADS

623

TOTAL CITATIONS

0

Scholarly Papers (9)

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1.

The Oligocene/Miocene Boundary of Ilha De Santana and Pirabas Formations from the Pará-Maranhão and Barreirinhas Basins at the Equatorial Northwestern Platform of Brazil

Number of pages: 28 Posted: 28 Nov 2023
Beatriz Teixeira Guimarães, Orangel Aguilera, Ana Paula Linhares, Olga Oliveira de Araújo, Isadora Mello, Hilton Túlio Costi, Dayana Sierra Alvarado, VINICIUS TAVARES KUTTER, Daniel Lima, Geize Carolinne Correia Andrade Oliveira and Ricardo T. Lopes
Federal University of Para, affiliation not provided to SSRN, Emilio Goeldi Museum of Para, Universidade Federal do Rio de Janeiro (UFRJ), Universidade Federal Fluminense, Emilio Goeldi Museum of Para, Federal University of Para, Federal University of Para, Federal University of Cariri, affiliation not provided to SSRN and Universidade Federal do Rio de Janeiro (UFRJ)
Downloads 184 (411,650)

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carbonate, equatorial platform, petrography, micropaleontology, Oligocene-Miocene boundary

2.

Fossil Moray Eels (Muraenidae) from the Interoceanic Central American Seaway

Number of pages: 32 Posted: 26 Jun 2024
Orangel Aguilera, Carlos de Gracia, Félix Rodriguez, Olga Oliveira de Araújo, Werner Schwarzhans, Philippe Béarez, Antoni Lombarte, Paulo Andreas Buckup and Ricardo T. Lopes
affiliation not provided to SSRN, Smithsonian Tropical Research Institute, Smithsonian Tropical Research Institute, Universidade Federal do Rio de Janeiro (UFRJ), University of Copenhagen - Natural History Museum of Denmark, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Universidade Federal do Rio de Janeiro (UFRJ)
Downloads 110 (640,165)

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Panamanian isthmus, Miocene, Pliocene, Gymnothorax, otolith, MicroCT

3.

A Historical Fossil Fish Collection of Llewellyn Ivor Price from the Middle to Late Miocene of the Brazilian Amazon

Number of pages: 36 Posted: 06 Jun 2024
Orangel Aguilera, Rafael Costa da Silva, Beatriz Teixeira Guimarães, Olga Oliveira de Araújo, Paulo Andreas Buckup, Bernardo Decat Weinschutz, Patrícia Ketlin Garcia de Oliveira, João Carlos Alberto Dias and Ricardo T. Lopes
affiliation not provided to SSRN, Museu de Ciências da Terra, Serviço Geológico do Brasil -CPRM, Federal University of Para, Universidade Federal do Rio de Janeiro (UFRJ), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Universidade Federal do Rio de Janeiro (UFRJ)
Downloads 79 (809,932)

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Solimões Formation, Pebas megawetland, Western Amazon, Neogene, fishes, fossil guide

4.

Miocene Tropical Storms: Carbonate Framework Approaches and Geochemistry Proxies in a Reservoir Model

Number of pages: 47 Posted: 13 Mar 2023
Orangel Aguilera, Olga Oliveira de Araújo, Ricardo T. Lopes, Marcelo Cohen, Dayana Sierra Alvarado, Beatriz Teixeira Gumarães, Ana Paula Linhares, Félix Rodriguez, Manuel Moreira, Rut Díaz, Hamilton S. Gama Filho, Marcelino J. Anjos, Daniel Lima, Julianny dos Santos Silva, Marie Joelle Giraud and VINICIUS TAVARES KUTTER
affiliation not provided to SSRN, Universidade Federal do Rio de Janeiro (UFRJ), Universidade Federal do Rio de Janeiro (UFRJ), affiliation not provided to SSRN, Federal University of Para, Federal University of Para, Emilio Goeldi Museum of Para, Smithsonian Tropical Research Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, Rio de Janeiro State University, Rio de Janeiro State University, Federal University of Cariri, affiliation not provided to SSRN, affiliation not provided to SSRN and Federal University of Para
Downloads 56 (1,000,027)

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Brazilian equatorial platform, Pirabas Formation, heterozoan reef, climate changes, tempestites, porosity

5.

Post-Irradiation Effects on Low Voltage Cables Used in Nuclear Power Plants Analyzed by X-Ray Microtomography and Comsol Multiphysics

Number of pages: 18 Posted: 02 Sep 2024
Marcus Vinicius Santos da Sil Santos da Silva, Olga Oliveira de Araújo, Atila de Paiva Teles, Caio Márcio Sorrentino de Fre dos Santos and Ricardo T. Lopes
Universidade Federal do Rio de Janeiro (UFRJ), Universidade Federal do Rio de Janeiro (UFRJ), affiliation not provided to SSRN, Universidade Federal do Rio de Janeiro (UFRJ) and Universidade Federal do Rio de Janeiro (UFRJ)
Downloads 53 (1,031,043)

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MicroCT, COMSOL simulation, Gamma radiation, Nuclear industry, Electric cable.

6.

Determination of the Sensitive Volume of a Spherical Ion Chamber as a Potential Primary Standard Instrument for Higher Energy Photon Beams

Number of pages: 20 Posted: 02 Oct 2024
Larry A. DeWerd, Carlos E. de Almeida, Olga Oliveira de Araújo, Karen Rex Pius Vincent, Ahtesham U. Khan, Leo Franco and Ricardo T. Lopes
University of Wisconsin-Madison, affiliation not provided to SSRN, Universidade Federal do Rio de Janeiro (UFRJ), affiliation not provided to SSRN, University of Wisconsin-Madison, affiliation not provided to SSRN and Universidade Federal do Rio de Janeiro (UFRJ)
Downloads 49 (1,086,013)

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Ionization chamber, sensitive volume, microCT

7.

ADVANCES IN U/PB RADIOCHRONOLOGY AND BIOCHRONOLOGY DATING METHODOLOGY IN CARBONATE-SILICICLASTIC ROCKS FROM THE BRAZILIAN EQUATORIAL PLATFORM

Number of pages: 40 Posted: 24 Nov 2025
Orangel Aguilera, Beatriz Teixeira Guimarães, Isadora Mello, Olga Oliveira de Araújo, Mauro Cesar Geraldes, Cleber Fernandes Alves, Mitsuru Fernandes Arai, Luzia Antonioli, Rodolfo Dino, Marcelino J. Anjos, Hamilton S. Gama Filho, Sergio Bergamaschi, NICOLÁS Misailidis STRÍKIS and Giovanni Coletti
affiliation not provided to SSRN, Federal University of Para, Universidade Federal Fluminense, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro State University, affiliation not provided to SSRN, affiliation not provided to SSRN, Rio de Janeiro State University, Rio de Janeiro State University, Rio de Janeiro State University, Rio de Janeiro State University, Rio de Janeiro State University, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 38 (1,209,354)

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U/Pb carbonate geochronology, calcareous nannofossils biozonation, Miocene carbonate platform, diagenesis and isotopes

8.

U–Pb CARBONATE GEOCHRONOLOGY AND DIAGENETIC EVOLUTION OF THE MIOCENE PIRABAS FORMATION (BRAZILIAN EQUATORIAL MARGIN)

Number of pages: 42 Posted: 31 Mar 2026
Orangel Aguilera, Beatriz Teixeira Guimarães, Isadora Mello, Olga Oliveira de Araújo, Mauro César Geraldes, Cleber Fernandes Alves, Mitsuru Fernandes Arai, Luzia Antonioli, Rodolfo Dino, Marcelino J. Anjos, Hamilton S. Gama Filho, Sergio Bergamaschi, NICOLÁS Misailidis STRÍKIS and Ricardo T. Lopes
affiliation not provided to SSRN, Federal University of Para, Universidade Federal Fluminense, Universidade Federal do Rio de Janeiro (UFRJ), Universidade do Estado do Rio de Janeiro, affiliation not provided to SSRN, affiliation not provided to SSRN, Universidade do Estado do Rio de Janeiro, Rio de Janeiro State University, Rio de Janeiro State University, Rio de Janeiro State University, Rio de Janeiro State University, affiliation not provided to SSRN and Universidade Federal do Rio de Janeiro (UFRJ)
Downloads 27 (1,372,601)

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U-Pb carbonate geochronology, calcareous nannofossils biozonation, Miocene carbonate platform, diagenesis and isotopes

9.

Macauba (Acrocomia Aculeata) Endocarp as a Coarse Aggregate for Bio-Concretes

Number of pages: 8 Posted: 06 Jul 2024
Gabriele Melo de Andrade, Rodolfo Giacomim Mendes de Andrade, Olga Oliveira de Araújo, Ricardo T. Lopes, Tulio Caetano Guimarães and Saulo Rocha Ferreira
Federal University of Lavras, Instituto Federal do Espírito Santo, Universidade Federal do Rio de Janeiro (UFRJ), Universidade Federal do Rio de Janeiro (UFRJ), Federal University of Lavras and Federal University of Lavras
Downloads 27 (1,372,601)

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Interface, Biomass, Cementitious composites.