P. Alt-epping, T. Gimmi, and H. N. Waber, Porewater Chemistry (PC) Experiment at Mt. Terri, Switzerland: Reactive transport simulations. NAGRA Technical Note, pp.2006-66, 2006.

C. A. Appelo, Some Calculations on Multicomponent Transport with Cation Exchange in Aquifers, Ground Water, vol.19, issue.6, pp.968-975, 1994.
DOI : 10.1111/j.1745-6584.1994.tb00936.x

C. A. Appelo, Multicomponent Diffusion Modeling in Clay Systems with Application to the Diffusion of Tritium, Iodide, and Sodium in Opalinus Clay, Environmental Science & Technology, vol.41, issue.14, 2007.
DOI : 10.1021/es0629256

C. A. Appelo, E. Verweij, and H. Schäfer, A hydrogeochemical transport model for an oxidation experiment with pyrite/calcite/exchangers/organic matter containing sand, Applied Geochemistry, vol.13, issue.2, pp.257-268, 1998.
DOI : 10.1016/S0883-2927(97)00070-X

C. A. Appelo, A. Vinsot, S. Mettler, and S. Wechner, Obtaining the porewater composition of a clay rock by modeling the in- and out-diffusion of anions and cations from an in-situ experiment, Journal of Contaminant Hydrology, vol.101, issue.1-4, pp.67-76, 2008.
DOI : 10.1016/j.jconhyd.2008.07.009

C. A. Appelo and P. Wersin, Multicomponent Diffusion Modeling in Clay Systems with Application to the Diffusion of Tritium, Iodide, and Sodium in Opalinus Clay, Environmental Science & Technology, vol.41, issue.14, pp.5002-5007, 2007.
DOI : 10.1021/es0629256

D. Arcos, Porewater chemistry (PC) experiment: Results of the geochemical modelling, 2003.

D. Arcos, T. Gimmi, L. Duro, and H. N. Waber, Modelling of tracer behaviour and dominant reactions during the pore water chemistry (PC) experiment in the Opalinus Clay, Switzerland. 11th Water-Rock Interaction Congress, 2004.

M. H. Bradbury and B. Baeyens, A mechanistic description of Ni and Zn sorption on Na-montmorillonite Part II: modelling, Journal of Contaminant Hydrology, vol.27, issue.3-4, pp.223-248, 1997.
DOI : 10.1016/S0169-7722(97)00007-7

M. H. Bradbury and B. Baeyens, Sorption modelling on illite Part I: Titration measurements and the sorption of Ni, Co, Eu and Sn, Geochimica et Cosmochimica Acta, vol.73, issue.4, pp.990-1003, 2009.
DOI : 10.1016/j.gca.2008.11.017

M. H. Bradbury and B. Baeyens, Sorption modelling on illite. Part II: Actinide sorption and linear free energy relationships, Geochimica et Cosmochimica Acta, vol.73, issue.4, pp.1004-1013, 2009.
DOI : 10.1016/j.gca.2008.11.016

A. Cartalade, P. Montarnal, M. Filippi, C. Mugler, M. Lamoureux et al., Application of inverse modeling methods to thermal and diffusion experiments at Mont Terri Rock laboratory, Physics and Chemistry of the Earth, Parts A/B/C, vol.32, issue.1-7, pp.491-506, 2007.
DOI : 10.1016/j.pce.2006.08.043

A. Courdouan, I. Christl, S. Meylan, P. Wersin, and R. Kretzschmar, Characterization of dissolved organic matter in anoxic rock extracts and in situ pore water of the Opalinus Clay, Applied Geochemistry, vol.22, issue.12, pp.2926-2939, 2007.
DOI : 10.1016/j.apgeochem.2007.09.001

E. Ferrage, C. Tournassat, E. Rinnert, and B. Lanson, Influence of pH on the interlayer cationic composition and hydration state of Ca-montmorillonite: Analytical chemistry, chemical modelling and XRD profile modelling study, Geochimica et Cosmochimica Acta, vol.69, issue.11, pp.2797-2812, 2005.
DOI : 10.1016/j.gca.2004.12.008

URL : https://hal.archives-ouvertes.fr/hal-00106998

H. Gailhanou, J. C. Van-miltenburg, J. Rogez, J. Olives, M. Amouric et al., Thermodynamic properties of anhydrous smectite MX-80, illite IMt-2 and mixed-layer illite???smectite ISCz-1 as determined by calorimetric methods. Part I: Heat capacities, heat contents and entropies, Geochimica et Cosmochimica Acta, vol.71, issue.22, pp.5463-5473, 2007.
DOI : 10.1016/j.gca.2007.09.020

URL : https://hal.archives-ouvertes.fr/hal-00303611

H. Gailhanou, J. C. Van-miltenburg, A. Van-genderen, J. Rogez, J. M. Greneche et al., Thermodynamic properties of chlorite CCa-2. Heat capacities, heat contents and entropies, Geochimica et Cosmochimica Acta, vol.73, issue.16, pp.4738-4749, 2009.
DOI : 10.1016/j.gca.2009.04.040

URL : https://hal.archives-ouvertes.fr/hal-00512601

E. C. Gaucher and P. Blanc, Cement/clay interactions ??? A review: Experiments, natural analogues, and modeling, Waste Management, vol.26, issue.7, pp.776-788, 2006.
DOI : 10.1016/j.wasman.2006.01.027

URL : https://hal.archives-ouvertes.fr/hal-00664858

I. Gaus, P. Audigane, L. Andre, J. Lions, N. Jacquemet et al., Geochemical and solute transport modelling for CO2 storage, what to expect from it?, International Journal of Greenhouse Gas Control, vol.2, issue.4, pp.605-625, 2008.
DOI : 10.1016/j.ijggc.2008.02.011

URL : https://hal.archives-ouvertes.fr/hal-00568197

F. Grandia, C. Domènech, A. , and D. , Pore water chemistry (PC) experiment: Results of the geochemical modelling, ENVIROS report, 2006.

W. S. Han, B. J. Mcpherson, P. C. Lichtner, W. , and F. P. , Evaluation of trapping mechanisms in geologic CO2 sequestration: Case study of SACROC northern platform, a 35-year CO2 injection site, American Journal of Science, vol.310, issue.4, pp.282-324, 2010.
DOI : 10.2475/04.2010.03

M. Koroleva, C. Lerouge, U. Mäder, F. Claret, and E. C. Gaucher, This issue. Biogeochemical processes in a clay formation in-situ experiment: Part B -Results from overcoring and evidence of strong buffering by the rock formation, Appl. Geochem

H. Laudelout, R. Van-bladel, G. H. Bolt, and A. L. Page, Thermodynamics of heterovalent cation exchange reactions in a montmorillonite clay, Transactions of the Faraday Society, vol.64, pp.1477-1488, 1968.
DOI : 10.1039/tf9686401477

P. C. Lichtner, FLOTRAN Users Manual: Two-phase non-isothermal coupled thermalhydrologic-chemical (THC) reactive flow and transport code, Version 2 Los Alamos National Laboratory, 2007.

P. C. Lichtner, C. I. Steefel, and E. H. Oelkers, Reactive transport in porous media, 1996.

K. Maher, C. I. Steefel, A. F. White, and D. A. Stonestrom, The role of reaction affinity and secondary minerals in regulating chemical weathering rates at the Santa Cruz Soil Chronosequence, California, Geochimica et Cosmochimica Acta, vol.73, issue.10, pp.2804-2831, 2009.
DOI : 10.1016/j.gca.2009.01.030

D. L. Parkhurst and C. A. Appelo, User's guide to PHREEQC (Version 2) -A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculationsWater-resources investigations, 1999.

D. L. Parkhurst, K. L. Kipp, P. Engesgaard, C. , and S. R. , PHAST-A program for simulating ground-water flow, solute transport, and multicomponent geochemical reactionsTechniques and Methods 6-A8, 2004.

F. J. Pearson, C. Tournassat, and E. C. Gaucher, This issue. Equilibrium controls on chemistry of pore water from the Opalinus Clay

D. Rickard, Kinetics of FeS precipitation: Part 1. Competing reaction mechanisms, Geochimica et Cosmochimica Acta, vol.59, issue.21, pp.4367-4379, 1995.
DOI : 10.1016/0016-7037(95)00251-T

D. Rickard, I. Luther, and G. W. , Chemistry of Iron Sulfides, Chemical Reviews, vol.107, issue.2, pp.514-562, 2007.
DOI : 10.1021/cr0503658

C. I. Steefel, S. Carroll, P. Zhao, and S. Roberts, Cesium migration in Hanford sediment: a multisite cation exchange model based on laboratory transport experiments, Journal of Contaminant Hydrology, vol.67, issue.1-4, pp.219-246, 2003.
DOI : 10.1016/S0169-7722(03)00033-0

C. I. Steefel, D. J. Depaolo, and P. C. Lichtner, Reactive transport modeling: An essential tool and a new research approach for the Earth sciences, Earth and Planetary Science Letters, vol.240, issue.3-4, pp.539-558, 2005.
DOI : 10.1016/j.epsl.2005.09.017

C. I. Steefel and P. C. Lichtner, Diffusion and reaction in rock matrix bordering a hyperalkaline fluid-filled fracture, Geochimica et Cosmochimica Acta, vol.58, issue.17, pp.3595-3612, 1994.
DOI : 10.1016/0016-7037(94)90152-X

S. Stroes-gascoyne, C. Sergeant, S. Schippers, C. V. Hamon, S. Nèble et al., This Issue. Biogeochemical processes in a clay formation in-situ experiment: Part D -Microbial analyses -Synthesis of results, Appl. Geochem

C. Tournassat, H. Gailhanou, C. Crouzet, G. Braibant, A. Gautier et al., Cation Exchange Selectivity Coefficient Values on Smectite and Mixed-Layer Illite/Smectite Minerals, Soil Science Society of America Journal, vol.73, issue.3, pp.928-942, 2009.
DOI : 10.2136/sssaj2008.0285

C. Tournassat, H. Gailhanou, C. Crouzet, G. Braibant, A. Gautier et al., Two cation exchange models for direct and inverse modelling of solution major cation composition in equilibrium with illite surfaces, Geochimica et Cosmochimica Acta, vol.71, issue.5, pp.1098-1114, 2007.
DOI : 10.1016/j.gca.2006.11.018

URL : https://hal.archives-ouvertes.fr/hal-00597198

C. Tournassat and E. Gaucher, Progress in modelling PC-experiment results including thermodynamics, kinetics, micro-organism activity and isotopic fractionation considerations, pp.53395-2004, 2004.

L. R. Van-loon, M. A. Glaus, and W. Müller, Anion exclusion effects in compacted bentonites: Towards a better understanding of anion diffusion, Applied Geochemistry, vol.22, issue.11, pp.2536-2552, 2007.
DOI : 10.1016/j.apgeochem.2007.07.008

L. R. Van-loon, J. M. Soler, A. Jakob, and M. H. Bradbury, Effect of confining pressure on the diffusion of HTO, 36Cl??? and 125I??? in a layered argillaceous rock (Opalinus Clay): diffusion perpendicular to the fabric, Applied Geochemistry, vol.18, issue.10, pp.1653-1662, 2003.
DOI : 10.1016/S0883-2927(03)00047-7

L. R. Van-loon, J. M. Soler, W. Muller, and M. H. Bradbury, Anisotropic Diffusion in Layered Argillaceous Rocks:?? A Case Study with Opalinus Clay, Environmental Science & Technology, vol.38, issue.21, pp.5721-5728, 2004.
DOI : 10.1021/es049937g

L. R. Van-loon, P. Wersin, J. M. Soler, J. Eikenberg, T. Gimmi et al., In-situ diffusion of HTO, 22 Na + , Cs + and I -in Opalinus Clay at the Mont Terri underground rock laboratory, Radiochim. Acta, vol.92, pp.757-763, 2004.

P. Wersin, O. X. Leupin, S. Mettler, E. C. Gaucher, U. Mäder et al., This issue-a. Biogeochemical processes in a clay formation in-situ experiment: Part A -Overview, pp.32-54