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dc.contributor.author
Varela, Maria Eugenia
dc.contributor.author
Hwang, S. L.
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Shen, P.
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García, Laura Noel
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Magnabosco, R.
dc.date.available
2024-02-20T14:42:09Z
dc.date.issued
2023-09
dc.identifier.citation
Varela, Maria Eugenia; Hwang, S. L.; Shen, P.; García, Laura Noel; Magnabosco, R.; Sulfide-metal-oxide phase assemblages in the D'Orbigny angrite: Implications for element diffusion paths involving Fe–Ni–S–O system and redox conditions; Pergamon-Elsevier Science Ltd; Planetary and Space Science; 237; 9-2023; 1-7
dc.identifier.issn
0032-0633
dc.identifier.uri
http://hdl.handle.net/11336/227621
dc.description.abstract
The Ni-bearing metals and the Fe-oxides (wüstite/magnetite) within sulfides (troilite/pentlandite) in the D'Orbigny angrites were considered for better constraining the changing Redox as well as temperature-composition conditions during their formation. Microstructures and compositions of sulfide-metal-oxide phase assemblages were characterized by scanning and transmission electron microscopy coupled with polarized optical microscopy to reveal the element diffusion path in the Fe–Ni–S–O quaternary system for their formation. The temperatures under which these reactions took place were between 900 and 600 °C. The metal-sulfide assemblage and troilite with wüstite-magnetite core-shell crystals restrict D'Orbigny's late Redox-changing conditions. Considering these temperatures together with iron-wüstite and wüstite-magnetite Redox buffers, late events in D'Orbigny took place under log(fO2) ∼ −17 to −25.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ANGRITE
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FE-OXIDES (WÜSTITE/MAGNETITE) WITHIN SULFIDES
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LATE REDOX-CHANGING CONDITIONS
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NI-BEARING METAL
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TEM MICROSTRUCTURE CHARACTERIZATION
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Otras Ciencias Naturales y Exactas
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Otras Ciencias Naturales y Exactas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Sulfide-metal-oxide phase assemblages in the D'Orbigny angrite: Implications for element diffusion paths involving Fe–Ni–S–O system and redox conditions
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-19T10:29:44Z
dc.journal.volume
237
dc.journal.pagination
1-7
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Varela, Maria Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio. Universidad Nacional de San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio; Argentina
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Fil: Hwang, S. L.. National Dong Hwa University; República de China
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Fil: Shen, P.. National Sun Yat-sen University; República de China
dc.description.fil
Fil: García, Laura Noel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio. Universidad Nacional de San Juan. Instituto de Ciencias Astronómicas, de la Tierra y del Espacio; Argentina
dc.description.fil
Fil: Magnabosco, R.. No especifíca;
dc.journal.title
Planetary and Space Science
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0032063323001393
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.pss.2023.105770
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