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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), FranceSession 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 Kiczka 1 , Martin Mazurek1 , Andreas Jenni1 , Carmen Zwahlen1 , Lukas Aschwanden1 , Urs Mäder2 , Daniel Traber3
1 University of Bern, Switzerland; 2 Rock Water Consulting, Boll, Switzerland; 3 Nagra, 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 Wanner 1 , Lukas Aschwanden1 , Mirjam Kiczka1 , Daniel Traber2
1 University of Bern, Switzerland; 2 NAGRA
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 Stotskyi 1,2 , Fulvio Di Lorenzo1,2 , Maria Marques Fernandes1 , Matthias Krack1 , Andreas C. Scheinost3,4 , Martine Lanson5 , Bruno Lanson5 , Sergey V. Churakov1,2
1 Paul Scherrer institute, Switzerland; 2 University of Bern; 3 3 Helmholtz-Zentrum Dresden-Rosendorf (HZDR), Insitute of Resource Ecology; 4 The Rossendorf Beamline (ROBL), European Synchrotron Radiation Fascility (ESRF); 5 Univ. 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 Lavauzelle 1 , Mats Jonsson2 , Michael Holmboe1
1 Umeå University, Sweden; 2 KTH, Sweden