Summary
Sediment cores with different sub-bottom depths (I: 45 cm and II: 700 cm) from the Peru Basin have been investigated. From the depth profile of the relative amount of Fe(II) a redox zone is obtained which correlates with the organic carbon flux into the sediment (core I). Mössbauer parameters suggest that the iron in the sediments is mainly contained in clay minerals and to varying extent also in goethite.
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References
Suess E., Fahrbericht SO78/Peruvent (Balboa, Panama-Balboa, Panama, 28.2.1992–16.4.1992), Geomar Report 14 (1992) 120.
Brandt R. A., Normos-90 Mössb. Fit. Progr. Pack., Duisburg, Germany (1994).
Greenwood N. N. and Gibb T. C., in Mössbauer Spectroscopy (Chapman and Hall, London) 1971, p. 91.
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Drodt, M., Trautwein, A.X., König, I. et al. Mössbauer, X-ray fluorescence and paleomagnetic studies of deep-sea sediments from the Peru Basin: two million years of sedimentation history. Il Nuovo Cimento D 18, 341–345 (1996). https://doi.org/10.1007/BF02458915
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DOI: https://doi.org/10.1007/BF02458915