Mössbauer studies of impactites from Huamalies province in Huanuco Region

A. Bustamante, S. Espinoza, G. Morales, R. B. Scorzelli

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)


This report is about the X-ray diffraction and Mössbauer studies of three impactite samples denominated PMe-8, PMe-9 and PMe-11 from Huamalies Province in Huánuco Region, Peru. When terrestrial rocks are submitted to pressures higher than 60 GP, the majority is completely melted, forming a kind of glass called impactites. X-ray diffraction indicates the presence of quartz as the principal mineralogical phase in all samples. The 57Fe Mössbauer spectra at room temperature of samples PMe-8 and PMe-9 show broadened spectra that were fitted using a distribution model. The most probable field of the magnetic component is 34 T, corresponding to the presence of small particles of goethite, confirmed by the 4.2 K spectrum. For the sample PMe-11, the MS showed the presence of well crystallized hematite.
Idioma originalInglés estadounidense
Páginas (desde-hasta)585-591
Número de páginas7
PublicaciónHyperfine Interactions
EstadoPublicada - 1 nov 2005

Palabras clave

  • Goethite
  • Hematite
  • Impactites
  • Mössbauer spectroscopy


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