A new view on gold speciation in sulfur-bearing hydrothermal fluids from in situ X-ray absorption spectroscopy and quantum-chemical modeling

Gleb S. Pokrovski (1) , Boris R Tagirov (2) , Jacques Schott (1) , Jean-Louis F Hazemann (3) , Olivier Proux (4)

1 LMTG - Laboratoire des Mécanismes et Transfert en Géologie
2 UZH - Universität Zürich [Zürich] = University of Zurich
3 NEEL - MRS - Matériaux, Rayonnements, Structure
4 OSUG - Observatoire des Sciences de l'Univers de Grenoble

Mots clés: gold; sulfur; hydrothermal fluid; XAFS spectroscopy; Au-S complexes; quantum- 25 chemical modeling; thermodynamic properties

Domaines: Instrumentations et Détecteurs [physics.ins-det]

Gleb S. Pokrovski, Boris R Tagirov, Jacques Schott, Jean-Louis F Hazemann, Olivier Proux. A new view on gold speciation in sulfur-bearing hydrothermal fluids from in situ X-ray absorption spectroscopy and quantum-chemical modeling. Geochimica et Cosmochimica Acta, 2009, 73 (18), pp.5406-5427. ⟨10.1016/j.gca.2009.06.007⟩. ⟨hal-02175808⟩