Abstract:
Two Argentine soils featuring different characteristics and compositions (mollisols and ultisols) have been studied by Mössbauer spectroscopy and X-ray diffraction. The first type has a weakly developed profile with a solum thickness of 40 cm; the Fe oxyhydroxides are present in low concentrations in mixtures with other slightly weathered minerals (e.g., quartz, feldspars, 2 : 1 phyllosilicates, etc.). The second one is a typic kandihumult, which is a highly weathered red coloured, deep soil. The Fe oxyhydroxides are abundant, mixed mainly with kaolinite clay minerals. Analyses of iron mineralogy show hematite and goethite in both soils. Their ratio is low in the first case and high in the last case. Magnetite-maghemite are also present in both situations, but in the mollisol their content is much lower than in the ultisol. The mineralogy found is related to the different lithological characteristics and processes of pedological evolution on both soils.
Registro:
| Documento: |
Artículo
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| Título: | Mössbauer study of the Fe mineralogy in two different Argentine soils |
| Autor: | Mijovilovich, A.; Morrás, H.; Causevic, H.; Saragovi, C. |
| Filiación: | Departamento de Física, Comn. Nac. de Ener. Atómica, Av. del Libertador 8250, 1429 Buenos Aires, Argentina
Instituto de Suelos, INTA-CIRN, Villa Udaondo, 1712 Castelar, Pcia. de Buenos Aires, Argentina
Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Departamento de Física, Universidade Federal de Mina Gerais, CP 702, 90123-760, Belo Horizonte, MG, Brazil
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| Palabras clave: | Fe-mineralogy; Lithological characteristics and pedological evolution; Mössbauer spectroscopy; Mollisols; Ultisols; X-ray diffraction |
| Año: | 1999
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| Volumen: | 122
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| Número: | 1-2
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| Página de inicio: | 83
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| Página de fin: | 95
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| Título revista: | Hyperfine Interactions
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| Título revista abreviado: | Hyperfine Interact.
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| ISSN: | 03043843
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| CODEN: | HYIND
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| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03043843_v122_n1-2_p83_Mijovilovich |
Referencias:
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Citas:
---------- APA ----------
Mijovilovich, A., Morrás, H., Causevic, H. & Saragovi, C.
(1999)
. Mössbauer study of the Fe mineralogy in two different Argentine soils. Hyperfine Interactions, 122(1-2), 83-95.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03043843_v122_n1-2_p83_Mijovilovich [ ]
---------- CHICAGO ----------
Mijovilovich, A., Morrás, H., Causevic, H., Saragovi, C.
"Mössbauer study of the Fe mineralogy in two different Argentine soils"
. Hyperfine Interactions 122, no. 1-2
(1999) : 83-95.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03043843_v122_n1-2_p83_Mijovilovich [ ]
---------- MLA ----------
Mijovilovich, A., Morrás, H., Causevic, H., Saragovi, C.
"Mössbauer study of the Fe mineralogy in two different Argentine soils"
. Hyperfine Interactions, vol. 122, no. 1-2, 1999, pp. 83-95.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03043843_v122_n1-2_p83_Mijovilovich [ ]
---------- VANCOUVER ----------
Mijovilovich, A., Morrás, H., Causevic, H., Saragovi, C. Mössbauer study of the Fe mineralogy in two different Argentine soils. Hyperfine Interact. 1999;122(1-2):83-95.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03043843_v122_n1-2_p83_Mijovilovich [ ]
