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Mössbauer study of Haltern 70 amphora sherds from Castro do Vieito, North of Portugal

Authors: B. F. O. Costa, G. Pereira, A. J. M. Silva, M. Ramos Silva and S. J. C. do Carmo

Ref.: Journal of Physics: Conference Series 217, 12060-12064 (2010)

Abstract: Haltern 70 amphora sherds obtained from Castro do Vieito were studied by Mossbauer spectroscopy, X-ray diffraction and X-ray fluorescence. In all our samples non magnetic Fe(3+) and haematite species were found. In some samples, also Fe(2+) was found. We conclude that the samples were fired under changing atmosphere, air being admitted at the end of the firing cycle following firing in a reducing atmosphere.

DOI: 10.1088/1742-6596/217/1/012060