Mössbauer characterisation of sediments from ODP Sites 128-798 and 128-799, supplement to: Minai, Yoshitaka; Kusudo, Iori; Matsumoto, Ryo; Sato, Haruo; Tominaga, Takeshi (1992): Mössbauer characterization of sediments from Sites 798 and 799, Japan Sea. In: Pisciotto, KA; Ingle, JCJr.; von Breymann, MT; Barron, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(1), 739-746

Yoshitaka Minai, Iori Kusudo, Ryo Matsumoto, Haruo Sato & Takeshi Tominaga
57Fe Mössbauer spectra for 26 sediment and 6 carbonate concretion samples from Sites 798 and 799 were recorded at 293 K. Most spectra were deconvolved to two quadrupole doublets without magnetic hyperfine structure. Typical Mössbauer parameters were: isomer shift (I.S.) = 0.34 mm/s and quadrupole splitting (Q.S.) = 0.64 mm/s for the paramagnetic Fe3+ component (partly, pyrite); I.S. = 1.13 mm/s and Q.S. = 2.64 mm/s for the high-spin Fe2+ component derived from iron-bearing aluminosilicates....
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