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Mössbauer spectroscopy study of a mineral sample from Oshno Hill, District of Chavín de Pariarca, Huanuco Region, Peru

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Abstract

The analysis by X-ray diffraction of a mining sample collected from Oshno hill, which is located in the District of Chavín de Pariarca, Huamalies Province, Huanuco, Peru, indicates the presence of lepidocrocite (γ-FeOOH) and goethite (α-FeOOH). The room temperature Mössbauer spectrum (MS) doublet with broad lines displays hyperfine parameters corresponding to the presence of particles of iron hydroxides smaller than 100 Å in a superparamagnetic regime. The measurement of a MS at 4.2 K allowed confirming the presence of goethite and lepidocrocite (with average magnetic fields of 49.21 T and 44.59 T, respectively).

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Authors and Affiliations

  1. Laboratorio de Cerámicos y Nanomateriales, Facultad de Ciencias Físicas, Universidad Nacional Mayor de San Marcos, Lima, Perú

    A. Bustamante & R. Quille

  2. Facultad de Ingeniería Geológica, Minera, Metalúrgica y Geográfica, Universidad Nacional Mayor de San Marcos, Lima, Perú

    D. Lovera, A. V. Arias & J. Quiñones

Authors
  1. A. Bustamante
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  2. D. Lovera
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  3. R. Quille
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  4. A. V. Arias
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  5. J. Quiñones
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Correspondence to A. Bustamante.

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Bustamante, A., Lovera, D., Quille, R. et al. Mössbauer spectroscopy study of a mineral sample from Oshno Hill, District of Chavín de Pariarca, Huanuco Region, Peru. Hyperfine Interact 195, 63–68 (2010). https://doi.org/10.1007/s10751-009-0102-x

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  • DOI: https://doi.org/10.1007/s10751-009-0102-x

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