Dr Caroline Mehl Structural geologist Research associate

Phone : +33 (0)1 64 69 48 30 Mail : caroline.mehl(at)mines-paristech.fr

Equipe de Géologie Centre de Géosciences Mines-Paristech 35 rue St Honoré, 77305 Fontainebleau, FRANCE

SKILLS Structural geology – field expertise  Macroscopic analysis of ductile to brittle structures: boudinage, shear bands, stretching lineations, faults, fractures (standard methods of fracture analyzing)  Microstructural analysis of strain (kinematics of faults, paleostresses inversion softwares, strain/stress history) Rheology  Brittle-ductile transition of the extending continental crust. Remote Sensing Data analyses  Identification of fracture sets on Landsat and Quickbird images. Fractures and faults check on Lidar data. Automation of the extraction of fracture sets from pictures by VBA and Excel codes  Use and ratification of Statoilhdro’s software of 3D visualization of outcrops.  Relationships between tectonics and sedimentation Teaching Practical works, field trips and lectures in tectonics and sedimentology. Coordination of teaching in geology (first year teaching, Paris School of Mines/master degree, University P.et M. Curie) Languages French : native speaker English : fluent Spanish : fluent German : read and spoken Research results dissemination Scientific results presented to international congresses (2 oral communications, 4 posters) and published in international journals 7 papers published)

EXPERIENCES 2011-: Research associate, Mines-Paristech 2008-2010: Research assistant, Mines-Paristech  Administrative responsibilities : coordination of teaching in geology (first year teaching, Paris School of Mines)  Supervision : 1 master degree, 2 PhD theses, 1 postdoctoral research fellow.  Teaching : 7 weeks a year of field trips (Paris School of Mines and Master degree at the University P. and M. Curie, Paris).  Field experience : o Analysis of early fracturing in marls (total : 4 weeks, SE Basin, France) o Analysis of the folding/fracturing relationship in a carbonate reservoir analog (1 week, southern Pyrenees, Spain) o Sedimentological logging of fluviatile sections (2 weeks : Huete, Sapin – Digne les Bains, France)

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2006-2007: Post-doctoral Research Fellow, Institute of Earth Sciences Jaume Almera, CSIC (Barcelona) – Statoilhydro  Analysis of the geometrical relationship between fracturing and folding in carbonate reservoir analogs. Standard methodology of petroleum analyses.  Remote Sensing Data processing : analysis of fracturing on spatial imagery  Field expertise in foreland fold and thrust belts : Iran (3 weeks) and Pyrenees (1 week)  Responsibility for one geological team in the field. 2005-2006: Temporary Assistant (UPMC-Paris 6)  General teaching in geology, Master’s degree, UPMC-Paris 6 (Practical works in mapping, petrology, geophysics, paleontology, sedimentology, tectonics ...) – 192h  Field trip, Master degree (mineral crystallizations and veining, Cévennes, France) 2002-2005 : Instructor, Université of Créteil (Paris 12)  General teaching in geology (Practical works in mapping, petrology, paleontology, sedimentology, tectonics) – 64h a year 2002-2005: Research grant (UPMC-Paris6):  Subject: « The brittle-ductile transition zone: structural evolution and influence of fluids. Example of the Cyclades, Mer Égée. » Advisors: L. Jolivet, O: Lacombe  Field expertise on combined analyses of macroscopic ductile and brittle structures (Cyclades, Tinos et Andros islands, total : 8 weeks)  Numerical modelling : help to implementation of a new routine and use of the thermo_mechanical code SARPP (Leroy and Gueydan, 2003)  Mechanical study : field data inversion (boudinage, faults) to reconstruct the stress/strain history of exhumed HP/BT rocks 2001-2002: Master Thesis (ENSMP, IFP, UPMC-Paris6).  Combined macroscopic analyses of superimposition of ductile and brittle structures (metamorphic rocks)  Field work : 3 weeks (Cyclades, Tinos island, Greece) 2000-2001 : Bachelor Thesis (UPMC-Paris6)  Strain microstructural analyses (recristallized quartz grains)  Stresses quantification during HP/BT rocks exhumation.

PUBLICATIONS Papers, rank A  Penz, S., Chauris, H., Donno, D., Mehl, C., Restistivity modelling with topography, Geophys. J. Int, accepted.  Lacombe, O., Jolivet, L., Le Pourhiet, L., Lecomte, E., Mehl, C., Initiation, geometry and mechanics of brittle faulting in exhuming metamorphic rocks: Insights from the Northern Cyclaidc Islands (Aegean, Greece), BSGF special issue in honor of J. Angelier, in press.  Casini, G., Gillespie, P., Vergés, J., Romaire, I., Fernández, N., Casciello, E., Saura, E., Homke, S., Embry, J.-C., Aghajari, L., Hunt, D.W., Mehl, C., Sub-seismic fractures in foreland fold and thrust belts: Insight from the Lurestan Province, Zagros Mountains, Iran, Petroleum Geoscience, v.17, 263-282, 2011.  Jolivet, L., Labrousse, L., Agard, P., Lacombe, O., Bailly, V., Lecomte, E., Mouthereau, F., Mehl, C. Rifting and shallow-dipping detachments, clues from the Corinth Rift and the Aegean, Tectonophysics, 483, 287-304, 2010.  Jolivet, L., Lecomte, E., Huet, B., Denèle, Y., Lacombe, O., Labrousse, L., Le Pourhiet, L., Mehl, C., The North Cycladic Detachment System, EPSL, 289, 87-104, 2010

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Mehl, C., L. Jolivet, O. Lacombe, L. Labrousse, and G. Rimmele, Structural evolution of Andros Island (Cyclades, Greece): a key to the behaviour of a (flat) detachment within an extending continental crust, Geol. Soc. London Spec. Publ., 291, 41-73, 2007. Mehl, C., L. Jolivet, and O. Lacombe, From ductile to brittle: evolution and localization of deformation below a crustal detachment (Tinos, Cyclades, Greece), Tectonics, 24, doi: 10.1029/2004TC001767, 2005. Gueydan, F., C. Mehl, and T. Parra, Stress-strain rate history of a mid-crustal shear zone and the onset of brittle deformation inferred from quartz recrystallized grain size, in Deformation mechanism Rheology and Tectonics, D. Gapais, J.P. Brun and P. Cobbold (Eds), Geol. Soc. London Spec. Publ, 243, 127-142, doi:10.1144/GSL.SP.2005.243.01.10, 2005. Jolivet, L., V. Famin, C. Mehl, T. Parra, C. Aubourg, R. Hébert, and P. Philippot. Strain localization during crustal-scale boudinage to form extensional metamorphic domes in the Aegean Sea, in Gneiss Domes in Orogeny, D.L. Whitney, C. Teyssier and C.S. Siddoway (Eds.), GSA Spec. Paper, vol. 380, pp.185-210, 2004.

Communications Oral communications  2007: Davis, G.H., Mehl, C., Jolivet, L., and Lacombe, O., Outcrop-scale strain localization and boudinage in Basin and Range and Cycladic core complexes convey insights into crustal-scale development of detachment tectonics: EOS, Transactions of the American Geophysical Union, 2005 Fall Meeting, American Geophysical Union, invited paper  2006: Mehl, C., Gueydan, F., Famin, V., Jolivet, L., Modelling strain localization by fluid-rock interaction in the middle crust, EGU (Vienne)  2005: Mehl, C., Jolivet, L., Lacombe, O., Strain localization in the brittle-ductile transition zone: examples from the Aegean Islands (Tinos and Andros)”, International Symposium on the Geodynamics of Eastern Mediterranean: active tectonics of the Aegean (Istanbul) Posters  2012 : Mehl, C., Cojan, I., Cauquil, B., Geometrical 3D characterization of sand injections in a fracture network and onset dynamics, Bevons South East France, AAPG Annual Convention and Exhibition, April 22-25, 2012, Long Beach, California  2010 : Mehl, C., Cojan, I., Caractérisation géométrique 3D d’injections sableuses dans un réseau de fractures et dynamique de mise en place, Bevons (SE France), RST (Bordeaux)  2005: Mehl, C., Gueydan, F., Fluid-rock interaction and strain localization at midcrustal depths, DRT (Zurich)  2003: Mehl, C., Gueydan, F., Parra, T., Shear stress and strain rate quantification inferred from recrystallized grain size. Application to a kilometre-scale midcrustal shear zone, DRT (St Malo) Technical reports  2010 : Beucher, H., Cojan, I., Goblet, P., Mehl, C., Mercier, D. : “Acquisition de données sur les évolutions géologique et hydrologique passées du bassin de Paris et du secteur Meuse/haute Marne », rapport ANDRA 045225.  2007 : Mehl, C., Fernandez, N., Gillespie, P. : « Characterizing fractures by RSD and Field Studies”, Khorramabad Report 2007 vol.1, 118p, StatoilHydro, confidentiel.  2006: Mehl, C., Fernandez, N.: Folding and fracturing on Rit and Chenareh anticlines, Lurestan Province, Iran. 2006 final report, NorskHydro, confidentiel.  2006 : Mehl, C. La transition ductile-cassant: évolution structurale et rôle des fluides. Exemple des Cyclades, Mer Egée, thèse de doctorat, Université P. et M. Curie (Paris 6), 297p.  2001: Mehl, C. Structuration d’un détachement crustal. Utilisation de la taille du grain recristallisé de quartz comme marqueur de la contrainte cisaillante et du taux de déformation, rapport de DEA, UPMC.

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