(Table 2) Chemical composition and sulfur and iron speciations in phosphorites and host sediments from the Namibian-, Peru- and Chile shelves and from the Sea of Japan, supplement to: Baturin, Gleb N; Rozanov, Alexander G (2003): Sulfur species in oceanic phosphorites. Translated from Okeanologiya, 2003, 43(1), 35-43, Oceanology, 43(1), 30-39

Gleb N Baturin & Alexander G Rozanov
Sulfur speciation was studied by chemical methods in recent, Pliocene-Pleistocene and Miocene phosphorites from the inner and outer Namibian shef, Late Quaternary phosphorites from the Peru-Chile shelf and Miocene phosphorites from some underwater highs of the Sea of Japan. Following concentrations (%) were measured: 0.25-1.147% of sulfate sulfur (S SO4), 0.012-1.473% pyritic sulfur (S pyr), 0.005-0.141% of organic sulfur (TOS), and <0.0001-0.04% of elemental sulfur (S°). Generally sulfate sulfur was predominant, but in some samples...
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