Iron isotopes in acid mine waters and iron-rich solids from the Tinto–Odiel Basin (Iberian Pyrite Belt, Southwest Spain)

@inproceedings{Egal2008IronII,
  title={Iron isotopes in acid mine waters and iron-rich solids from the Tinto–Odiel Basin (Iberian Pyrite Belt, Southwest Spain)},
  author={Marion Egal and Françoise Elbaz-Poulichet and Corinne Casiot and Mikael Motelica-Heino and Philippe N{\'e}grel and Odile Bruneel and Ana Mar{\'i}a Sarmiento and Jos{\'e} M. Nieto},
  year={2008}
}
Abstract The isotopic composition of Fe was determined in water, Fe-oxides and sulfides from the Tinto and Odiel Basins (South West Spain). As a consequence of sulfide oxidation in mine tailings both rivers are acidic (1.45  − 1 ) and sulphates (up to 1190 mmol l − 1 ). The δ 56 Fe of pyrite-rich samples from the Rio Tinto and from the Tharsis mine ranged from − 0.56 ± 0.08‰ to + 0.25 ± 0.1‰. δ 56 Fe values for Fe-oxides precipitates that currently form in the riverbed varied from − 1.98 ± 0.10… CONTINUE READING

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