The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Outros Autores: | , , , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1111/maps.13976 http://hdl.handle.net/11449/249858 |
Resumo: | On August 19, 2020, at 13:18—UTC, a meteor event ended as a meteorite shower in Santa Filomena, a city in the Pernambuco State, northeast Brazil. The heliocentric orbital parameters resulting from images by cameras of the weather broadcasting system were semimajor axis a = 2.1 ± 0.1 au, eccentricity e = 0.55 ± 0.03, and inclination i = 0.15o ± 0.05. The data identified the body as an Apollo object, an Earth-crossing object with a pericenter interior to the Earth's orbit. The chemical, mineralogical, and petrological evaluations, as well as the physical analysis, followed several traditional techniques. The meteorite was identified as a H5-6 S4 W0 ordinary chondrite genomict breccia. The large amount of metal in the meteorite made a metallographic evaluation based on the opaque phases possible. The monocrystalline kamacite crystals suggest a higher petrological type and the distorted Neumann lines imply at least two different shock events. The absence of the plessite phase shows that the meteorite did not reach the highest shock levels S5 and S6. The well-defined polycrystalline taenite is indicative of petrologic types 4 and 5 due to the conserved internal tetrataenite rim at the boundaries. The presence of polycrystalline taenites and the characteristics of the Agrell Effect suggest that the Santa Filomena meteorite did not reheat above 700°C. The absence of martensite confirms reheating temperatures <800°C and a slow cooling rate. The Ni contents and sizes of the zoned taenite particles indicate a slow cooling rate ranging from 1 to 10 K Myr−1. |
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The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditionsOn August 19, 2020, at 13:18—UTC, a meteor event ended as a meteorite shower in Santa Filomena, a city in the Pernambuco State, northeast Brazil. The heliocentric orbital parameters resulting from images by cameras of the weather broadcasting system were semimajor axis a = 2.1 ± 0.1 au, eccentricity e = 0.55 ± 0.03, and inclination i = 0.15o ± 0.05. The data identified the body as an Apollo object, an Earth-crossing object with a pericenter interior to the Earth's orbit. The chemical, mineralogical, and petrological evaluations, as well as the physical analysis, followed several traditional techniques. The meteorite was identified as a H5-6 S4 W0 ordinary chondrite genomict breccia. The large amount of metal in the meteorite made a metallographic evaluation based on the opaque phases possible. The monocrystalline kamacite crystals suggest a higher petrological type and the distorted Neumann lines imply at least two different shock events. The absence of the plessite phase shows that the meteorite did not reach the highest shock levels S5 and S6. The well-defined polycrystalline taenite is indicative of petrologic types 4 and 5 due to the conserved internal tetrataenite rim at the boundaries. The presence of polycrystalline taenites and the characteristics of the Agrell Effect suggest that the Santa Filomena meteorite did not reheat above 700°C. The absence of martensite confirms reheating temperatures <800°C and a slow cooling rate. The Ni contents and sizes of the zoned taenite particles indicate a slow cooling rate ranging from 1 to 10 K Myr−1.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)LABSONDA/IGEO/UFRJ Instituto de Geociências Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos, 274, Cidade Universitária, RJLABET/MN/UFRJ Laboratório Extraterrestre Departamento de Geologia e Paleontologia Museu Nacional Universidade Federal do Rio de Janeiro Quinta da Boa Vista, São Cristóvão, RJObservatório do Valongo Universidade Federal do Rio de Janeiro, RJGrupo de Dinâmica orbital e Planetologia São Paulo State University—UNESP, Av. Ariberto Pereira da Cunha 333, Guaratinguetá, SPInstitut für Astronomie und Astrophysik Eberhard Karls Universität Tübingen, Auf der Morgenstelle 10Institute of Meteoritics University of New MexicoDivisiones Atômicas Centro Atomico Bariloche (CONICET), Av. Bustillo, RNBRAMON Brazilian Meteor Observation Network, SPLaboratory of Systematics and Taphonomy of Fossil Vertebrates Department of Geology and Paleontology Museu Nacional Universidade Federal do Rio de Janeiro, RJInstituto de Física Universidade Federal do Rio de Janeiro, RJGrupo de Dinâmica orbital e Planetologia São Paulo State University—UNESP, Av. Ariberto Pereira da Cunha 333, Guaratinguetá, SPCAPES: 23079.043307/2019-13FAPERJ: E-26/010/002675/2019Universidade Federal do Rio de Janeiro (UFRJ)Universidade Estadual Paulista (UNESP)Eberhard Karls Universität TübingenUniversity of New MexicoCentro Atomico Bariloche (CONICET)Brazilian Meteor Observation NetworkTosi, AmandaZucolotto, Maria ElizabethAndrade, Diana PaulaWinter, Othon Cabo [UNESP]Mourão, Daniela Cardozo [UNESP]Sfair, Rafael [UNESP]Ziegler, KarenPerez, Pablo DanielSuarez, SergioOrnellas, Iara DenizZurita, MarceloMendes, Julio CezarKellner, Alexander WilhelmWolff, Wania2023-07-29T16:11:05Z2023-07-29T16:11:05Z2023-05-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article621-642http://dx.doi.org/10.1111/maps.13976Meteoritics and Planetary Science, v. 58, n. 5, p. 621-642, 2023.1086-9379http://hdl.handle.net/11449/24985810.1111/maps.139762-s2.0-85152466794Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengMeteoritics and Planetary Scienceinfo:eu-repo/semantics/openAccess2023-07-29T16:11:05Zoai:repositorio.unesp.br:11449/249858Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-07-29T16:11:05Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions |
title |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions |
spellingShingle |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions Tosi, Amanda |
title_short |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions |
title_full |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions |
title_fullStr |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions |
title_full_unstemmed |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions |
title_sort |
The Santa Filomena meteorite shower: Trajectory, classification, and opaque phases as indicators of metamorphic conditions |
author |
Tosi, Amanda |
author_facet |
Tosi, Amanda Zucolotto, Maria Elizabeth Andrade, Diana Paula Winter, Othon Cabo [UNESP] Mourão, Daniela Cardozo [UNESP] Sfair, Rafael [UNESP] Ziegler, Karen Perez, Pablo Daniel Suarez, Sergio Ornellas, Iara Deniz Zurita, Marcelo Mendes, Julio Cezar Kellner, Alexander Wilhelm Wolff, Wania |
author_role |
author |
author2 |
Zucolotto, Maria Elizabeth Andrade, Diana Paula Winter, Othon Cabo [UNESP] Mourão, Daniela Cardozo [UNESP] Sfair, Rafael [UNESP] Ziegler, Karen Perez, Pablo Daniel Suarez, Sergio Ornellas, Iara Deniz Zurita, Marcelo Mendes, Julio Cezar Kellner, Alexander Wilhelm Wolff, Wania |
author2_role |
author author author author author author author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal do Rio de Janeiro (UFRJ) Universidade Estadual Paulista (UNESP) Eberhard Karls Universität Tübingen University of New Mexico Centro Atomico Bariloche (CONICET) Brazilian Meteor Observation Network |
dc.contributor.author.fl_str_mv |
Tosi, Amanda Zucolotto, Maria Elizabeth Andrade, Diana Paula Winter, Othon Cabo [UNESP] Mourão, Daniela Cardozo [UNESP] Sfair, Rafael [UNESP] Ziegler, Karen Perez, Pablo Daniel Suarez, Sergio Ornellas, Iara Deniz Zurita, Marcelo Mendes, Julio Cezar Kellner, Alexander Wilhelm Wolff, Wania |
description |
On August 19, 2020, at 13:18—UTC, a meteor event ended as a meteorite shower in Santa Filomena, a city in the Pernambuco State, northeast Brazil. The heliocentric orbital parameters resulting from images by cameras of the weather broadcasting system were semimajor axis a = 2.1 ± 0.1 au, eccentricity e = 0.55 ± 0.03, and inclination i = 0.15o ± 0.05. The data identified the body as an Apollo object, an Earth-crossing object with a pericenter interior to the Earth's orbit. The chemical, mineralogical, and petrological evaluations, as well as the physical analysis, followed several traditional techniques. The meteorite was identified as a H5-6 S4 W0 ordinary chondrite genomict breccia. The large amount of metal in the meteorite made a metallographic evaluation based on the opaque phases possible. The monocrystalline kamacite crystals suggest a higher petrological type and the distorted Neumann lines imply at least two different shock events. The absence of the plessite phase shows that the meteorite did not reach the highest shock levels S5 and S6. The well-defined polycrystalline taenite is indicative of petrologic types 4 and 5 due to the conserved internal tetrataenite rim at the boundaries. The presence of polycrystalline taenites and the characteristics of the Agrell Effect suggest that the Santa Filomena meteorite did not reheat above 700°C. The absence of martensite confirms reheating temperatures <800°C and a slow cooling rate. The Ni contents and sizes of the zoned taenite particles indicate a slow cooling rate ranging from 1 to 10 K Myr−1. |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-07-29T16:11:05Z 2023-07-29T16:11:05Z 2023-05-01 |
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/10.1111/maps.13976 Meteoritics and Planetary Science, v. 58, n. 5, p. 621-642, 2023. 1086-9379 http://hdl.handle.net/11449/249858 10.1111/maps.13976 2-s2.0-85152466794 |
url |
http://dx.doi.org/10.1111/maps.13976 http://hdl.handle.net/11449/249858 |
identifier_str_mv |
Meteoritics and Planetary Science, v. 58, n. 5, p. 621-642, 2023. 1086-9379 10.1111/maps.13976 2-s2.0-85152466794 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Meteoritics and Planetary Science |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
621-642 |
dc.source.none.fl_str_mv |
Scopus 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 |
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