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Mössbauer study of iron ore from El Hobo, Huila, Colombia

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Abstract

Iron ore from the El Hobo municipality located in the Huila department in Colombia (2∘35′7″N 75∘13′27″E) was studied by Mössbauer spectroscopy. The material was quite inhomogeneous, consisting of light brown and dark brown concretions of up to about a centimeter in size, and a sandy fraction. Mössbauer spectra at ambient temperature and at 4.2 K were taken of the two kinds of concretions and the sandy fraction. The concretions contain iron mainly as goethite with only a few percent of hematite. The sandy fraction contains goethite and hematite in roughly equal amounts and a minor fraction of divalent iron that splits magnetically at 4.2 K and may be an impure kind of siderite.

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Authors and Affiliations

  1. Escuela de Física, Universidad Pedagógica y Tecnológica de Colombia, UPTC, Tunja, Boyacá, Colombia

    W. A. Pacheco Serrano & A. J. Chacón Velasco

  2. Physics Department E15, Technical University of Munich, 85747, Garching, Germany

    F. E. Wagner

Authors
  1. W. A. Pacheco Serrano
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  2. A. J. Chacón Velasco
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  3. F. E. Wagner
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Corresponding author

Correspondence to W. A. Pacheco Serrano.

Additional information

This article is part of the Topical Collection on Proceedings of the 15th Latin American Conference on the Applications of the Mössbauer Effect (LACAME 2016), 13–18 November 2016, Panama City, Panama Edited by Juan A. Jaén

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Serrano, W.A.P., Velasco, A.J.C. & Wagner, F.E. Mössbauer study of iron ore from El Hobo, Huila, Colombia. Hyperfine Interact 238, 90 (2017). https://doi.org/10.1007/s10751-017-1438-2

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  • DOI: https://doi.org/10.1007/s10751-017-1438-2

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