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Accueil > Annuaire du LHyGeS

FRITZ Bertrand

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Director of Research Emeritous - CNRS Bertrand Fritz

Contact :
Phone : +33 (0)3 68 85 04 12


Research Topics
- Fluid-rock interaction modelling
- Modelling of mineral nucleation and growth processes
- Weathering processes and Environmental Geochemistry
- Hydrothermal alteration processes
- Diagenetic processes
- Brines and Evaporites

1. Geochemical modeling : theory and concepts
Fluid clays interactions : development of solid solution models for complex mineral phases.
Simulation of nucleation and growth of mineral phases in contact of aqueous solutions. The code Nanokin. Collaboration with C. Noguera (INSP, UPMC-CNRS, Paris) and A. Baronnet (CINAM, CNRS, Marseille)
Interactions between brines, salts and sediments. Collaboration with C. Pierre (LOCEAN, UPMC-CNRS, Paris). Studies of the marine brines from Santa Pola, region of Alicante (Spain).
Development of the coupled model KIRMAT (Transport + reaction). Collaboration with J. Samper, University of La Coruna (Spain).
Development of the bio-geochemical option in the water-rock interaction models Bio-KINDIS and Bio-KIRMAT. Collaboration with A. Maass (University of Santiago, Chile). Contract frame with BioSigma (Santiago, Chile) for the modeling of copper bio-lixiviation in mine tailings.

2. Geochemistry of the Environment
Geological storages of nuclear wastes – contract frame with ANDRA, the French national agency for nuclear waste storages (Group of Laboratory GL-VFA “glasses-iron-clays)
Development of the OHGE “Hydrogeochemical Observatory of the Environment” (Resp. : M.C. Pierret-Neboit) in the network of field observatories : modeling of the anthropic impacts on the dynamics of alteration in the Strrengbach watershed (Vosges Massif, France). Cooperation with the University of Maine at Bangor (USA) and a French network of university/CNRS labs.
Hydrogeochemical modeling of the weathering of basaltic rocks on the Reunion volcanic Island (Indian Ocean). Cooperation with J.L. Join, Geosciences Reunion, University of Reunion.

3. Geochemistry of geological reservoirs
Diagenesis – Interactions between fluids and rocks in sedimentary basins or in granitic bodies.
Geothermal project of Soultz-sous-Forêts. In the frame of the Laboratory of Excellence LABEX “G-Eau-Thermie-Profonde” (2012-2019). EOST, University of Strasbourg.

Editorial work
Chief-Editor of European Journal of Mineralogy (december 2000-december 2011).

Since 2009 : participation to the European Master IMACS (International Master on Advanced Clay Science) and to the National Master on Clays (University of Poitiers). Responsability of the module UE12 : « Modelling of fluid-clays interactions » (28h).

94 papers in international journals
2 books as author
64 papers in other journals, reports
220 communications or posters in international meetings
68 contract reports

Recent Publications – 2009-2016
Fritz B., Clément A., Amal Y., Noguera C.(2009) Simulation of the nucleation and growth of simple clay minerals in weathering processes : the NANOKIN Code. Geochimica et Cosmochim. Acta. 73, 1340-1358. Doi : 10.1016/j.gca.2008.11.043

Risacher F. and Fritz B.(2009) - Origin of salts and brine evolution of Bolivian and Chilean Salars, Aquatic Geochemistry, Vol. 15, 1-2, pp.123-157. Doi : 10.1007/s10498-008-9056-x

Marty N., Fritz B., Clément A. and Michau N.(2010). Modelling the long term alteration of the engineered bentonite barrier in an underground radioactive waste repository. Applied Clay Sci.,47,1-2, 82-90. Doi : 10.1016/j.clay.2008.10.002

Noguera C., Fritz B., Clément A. and Amal Y.(2010). Simulation of the nucleation and growth of binary solid solutions in aqueous solutions. Chem Geol., 269, 89-99.

Fritz B. , Jacquot B., Jacquemont B., Baldeyrou-Bailly A. ,Rosener M. and Vidal O. (2010). Geochemical modelling of fluid-rock interactions in the context of the Soultz-sous-Forêts geothermal system. CR Geoscience, 342, 653-667.
Doi : 10.1016/j.crte.2010.02.005

Fritz B. and Gérard A. (2010). On the way to the exploitation of deep geothermal resources in naturally fractured environments. CR Geoscience, 342, 493-501. Doi : 10.1016/j.crte.2010.03.002

Risacher F., Fritz B. and Hauser A. (2010). Geochemical characterization of Chilean thermal waters, J. of South Amer. Earth Sci., 31, 153-170.

Lucas Y., Schmitt A.D., Chabaux F., Clément A., Fritz B., Durand S. and Elsass Ph. (2010). Geochemical tracing and hydrogeochemical modelling of water-rock interactions during salinization of alluvial groundwater (Upper Rhine Valley, France), Applied Geochemistry, 25, 1644-1663.

Noguera C., Fritz B. and Clément A. (2011) - Simulation of the nucleation and growth of clay minerals coupled with cation exchange. Geochim. et Cosmochim. Acta, 75, Issue 12, 3402-3418.

Lu C., Samper J., Fritz B., Clement A., Montenegro L.(2011) - Interactions of corrosion product and bentonite : An extended multicomponent reactive transport model, Physics and Chemistry of the Earth ,36,1661-1668.

Samper J., Naves A., Lu C. , Li Y., Fritz B. and Clement A. (2011) - Conceptual and numerica models of solute diffusion around a HLW repository in clay, Physics and Chemistry of the Earth,36, 1714-1720.

Vidal O., Baldeyrou A., Beaufort D., Fritz B., Geoffroy N. and Lanson B. (2012) – Experimental study of the stability and phase relations of clays at high temperature in a thermal gradient. Clays and Clay Min , 60, 200-225.

Noguera C., Fritz B. and Clément A. (2012). A theoretical treatment of the precipitation of doubly substituted solid solutions in aqueous solutions, Crystal Growth & Design,12,7,3444-3457.

Fritz B., Clément A., Montes-Hernandes G. and Noguera C. (2013) . Calcite formation by hydrothermal carbonation of portlandite : complementary insights from experiment and simulation. CRYSTENGCOMM, DOI:10.1039/C3CE26969H.

Schaffhauser Th., Chabaux F., Ambroise B., Lucas Y., Stille P., Reuschlé Th., Perrone Th., Fritz B. (2014) Geochemical and isotopic (U,Sr) tracing of water pathways in the small granitic Ringelbach catchment (Vosges Mountains, France),Chem. Geol., 374-375, 2014, 117-127.
Doi : 10.1016/j.chemgeo.2014.02.028

Ngo V. V., Clément A., Michau N., Fritz B. (2015) Kinetic modeling of interactions between iron, clay and water : Comparison with data from batch experiments, Appl.Geochem., 53, 13-26. Doi : 10.1016/j.apgeochem.2014.12.003

Noguera C.,Fritz B., Clément A. (2015) Precipitation mechanism of amorphous silica nanoparticles : A simulation approach. J. of Colloid and Interface Sci., 448, 553-563. Doi : 10.1016/j.jcis.2015.02.050

Noguera C., Fritz B., Clément A. (2016) Kinetics of precipitation of non-ideal solid solutions in a liquid environment. Chemical Geology, 431, 20-35. Doi : 10.1016/j.chemgeo.2016.03.009

Ngo V. V., Lucas Y., Clément A., Fritz B. (2016)
Modeling the impact of temperature on the saturation state and behavior of minerals in the Soultz-sous-Forêts geothermal system. Geothermics, 64, 196-208. Doi : 10.1016/j.geothermics.2016.06.001

Pollet-Villard M., Daval D., Ackerer P., Saldi G. D., Wild B., Knauss K. G., Fritz B. (2016) Does crystallographic anisotropy prevent the conventional treatment of aqueous mineral reactivity ? A case study based on K-feldspar dissolution kinetics. Geochimica et Cosmochimica Acta, 190, 294_308. Doi : 10.1016/j.gca.2016.07.007

Pollet-Villard M., Daval D., Fritz B., Knauss K.G., Schäfer G., Ackerer, P. (2016) Influence of etch pit development on the surface area and dissolution kinetics of the orthoclase (001) surface. Chemical Geology, 447, 79-92. Doi : 10.1016/j.chemgeo.2016.09.038

Other important publications
Fritz B. (1981) - Thermodynamic study and modelling of hydrothermal and diagenetic reactions. State Doctorate of sciences, University Louis Pasteur, in French : Etude thermodynamique et modélisation des réactions hydrothermales et diagénétiques. Published in : Sci. Géol., Mém., 65, 197p.

Numerical codes developped and applied in the lab
Development of original numerical codes for simulation of water-rock interactions, in collaboration with Alain Clément (CNRS engineer, LHYGES).
All these models (except EVAP) use solid solutions for simulating complex mineral phases produced in water-rock interaction processes :
NANOKIN (NAnoparticles-KINdis) combining nucleation , growth, re-dissolution of mineral particles. A code created in collaboration with Claudine Noguera (INSP, Paris) and Alain Baronnet (CINAM, Marseille)
KIRMAT (KInetics of Reaction and MAss Transfer)
KINDIS (KINetics of DISsolution)
EVAP (A code for simulating natural solutions evaporation and brines and salts interaction).