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dc.contributor.author
Varela, Maria Eugenia  
dc.contributor.author
Hwang, S. L.  
dc.contributor.author
Shen, P.  
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García, Laura Noel  
dc.contributor.author
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  
dc.subject
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  
dc.subject.classification
Otras Ciencias Naturales y Exactas  
dc.subject.classification
Otras Ciencias Naturales y Exactas  
dc.subject.classification
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  
dc.description.fil
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