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Chemical and mineralogical analyses of a weathering mantle developing on peridotite of the mining area for nickel in Cerro Matoso, Colombia

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Abstract

Four samples were collected at several depths in a weathering mantle developing on peridotite, found in a mining area for nickel of Cerro Matoso, about 20 km southwest of Monte Libano, Department of Córdoba, Colombia. Samples represent the main stratigraphy of the mantle. Powder X-ray diffractometry, RT Mössbauer spectroscopy, saturation magnetization measurements and conventional chemical analysis on the whole and chemically treated samples, and on some of their magnetic extracts, were used to give some details of the main occurring mineralogical phases in the mantle, particular of the magnetic iron oxides.

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References

  1. Ministerio de Minas y Energia de Colombia, in: Memorias Al Congreso Nacional 1995/1996 (Santafé de Bogotá, 1996) p. 68 (in Spanish).

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Authors and Affiliations

  1. Departamento de Química, UFMG, 31270-901, Belo Horizonte, MG, Brazil E-mail

    C.M. Gonçalves & J.D. Fabris

  2. Departamento de Fisica, UPTC, 1094, Tunja, Boyacá, Colombia E-mail

    W.A. Pacheco Serrano

Authors
  1. C.M. Gonçalves
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  2. J.D. Fabris
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  3. W.A. Pacheco Serrano
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Gonçalves, C., Fabris, J. & Pacheco Serrano, W. Chemical and mineralogical analyses of a weathering mantle developing on peridotite of the mining area for nickel in Cerro Matoso, Colombia. Hyperfine Interactions 122, 171–176 (1999). https://doi.org/10.1023/A:1012658009195

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  • DOI: https://doi.org/10.1023/A:1012658009195

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