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PS #7: Mineralogical and hydrogeochemical characteristics
Time:
Tuesday, 26/Nov/2024:
2:30pm - 3:50pm
Session Chair: Christophe Tournassat, Universtité d'Orléans (France) / Lawrence Berkeley National Laboratory (USA), France Session Chair: Johanna Lippmann-Pipke, Bundesanstalt für Geowissenschaften und Rohstoffe, BGR, Germany
Location:Roter Saal
Presentations
2:30pm - 2:50pm ID: 134 / PS #7: 001
Which porosity domains in clay-rich rocks are sampled by squeezing and advective displacement tests?
Mirjam Kiczka1, Martin Mazurek1, Andreas Jenni1, Carmen Zwahlen1, Lukas Aschwanden1, Urs Mäder2, Daniel Traber3
1University of Bern, Switzerland; 2Rock Water Consulting, Boll, Switzerland; 3Nagra, Wetting, Switzerland
2:50pm - 3:10pm ID: 329 / PS #7: 002
Oxygen isotope exchange between groundwater and calcite unravels million-year long hydrogeochemical evolution of a deep sedimentary aquifer
Christoph Wanner1, Lukas Aschwanden1, Mirjam Kiczka1, Daniel Traber2
1University of Bern, Switzerland; 2NAGRA
3:10pm - 3:30pm ID: 414 / PS #7: 003
Ab initio MD modelling of Ni2+, Zn2+, and Lu3+ cation adsorption on saponite edge surfaces
Vasyl Stotskyi1,2, Fulvio Di Lorenzo1,2, Maria Marques Fernandes1, Matthias Krack1, Andreas C. Scheinost3,4, Martine Lanson5, Bruno Lanson5, Sergey V. Churakov1,2
1Paul Scherrer institute, Switzerland; 2University of Bern; 33 Helmholtz-Zentrum Dresden-Rosendorf (HZDR), Insitute of Resource Ecology; 4The Rossendorf Beamline (ROBL), European Synchrotron Radiation Fascility (ESRF); 5Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IRD, Univ. Gustave Eiffel, ISTerre
3:30pm - 3:50pm ID: 449 / PS #7: 004
A XAS study on the effect of ionizing radiation on the redox state of the structural iron in Bentonite clay
Nathan Lavauzelle1, Mats Jonsson2, Michael Holmboe1
