Resume

© Alain Herzog

Currently at:

Laboratory of Experimental Rock Mechanics

EPFL ENAC IIC LEMR

Station 18

CH-1015 Lausanne, Switzerland

gabriel.meyer@epfl.ch

Digital profile:

ORCID ID: 0000-0003-4628-6879

Scopus ID: 57213818023

Education

·      2016-2020: PhD in Rock Mechanics.

Studying spatial and temporal variations in crustal fault properties using high pressure rock deformation experiments. Thesis title: Evolution of damage and faulting across the brittle-ductile transition: insights from experimentson Carrara marble.

PhD advisors: Nicolas Brantut, Thomas M. Mitchell and Phillip Meredith.

Rock and Ice Physics Lab, University College London, London, United Kingdoms.

 

·      2013-2016: Engineering degree (MSc) in Geophysics.

Courses attended: Rock Physics, Geothermal Energy, Geotechnics, Geochemistry, Continuum Mechanics, Geology, Seismology, Seismics, Hydrogeophysics, Matlab programming, Geodesy, Electromagnetics, etc.

École et Observatoire des Sciences de la Terre, Strasbourg, France.

 

·      2011-2013: Bachelor of Technology (BSc) in Physical Measurements.

Done in sandwich course at Canberra France (50% time studying, 50% time working)

Courses attended: Metrology, Optics, Electronics, Solid Mechanics, Chemistry, Computer Technology, Nuclear Physics, Radioprotection, Numerical Electronics.

I.U.T Louis Pasteur, Strasbourg, France.

Employment

·      2020-present: post-doctoral researcher, Laboratory of Experimental Rock Mechanics, École Polytechnique Fédérale de Lausanne, Lausanne, Suisse.

     Refurbished a Paterson-type high pressure, high temperature, gas-medium triaxial apparatus.        Continued research on high pressure and high temperature properties of rocks linked to      supercritical geothermal reservoirs. Continued research on the brittle-ductile transition of rocks.

 

·      March-September 2016: Engineering internship, Electricité de Strasbourg Géothermie, Strasbourg, France.

Working on hydraulic stimulation data from Rittershoffen geothermal wells. Studying injection pressure drops linked with induced seismicity and trying to model reservoir shear fault reactivation and dilation.


·      June-July 2015: Laboratory intern, University of British Columbia, Vancouver, Canada.

Worked as a laboratory intern in the Earth and Ocean Department for two months.

Studied sintering of volcanic ashes by deforming ceramic beads in a high temperature uniaxial press. Project was carried under the supervision of Prof. Kelly Russell.

·      June-July 2014: Visiting student, Moscow State University, Moscow, Russia.

Joined the Moscow State University geophysics field trip in Alexandrovka, Russia. Trained on numerous geophysical prospection methods and associated data processing.

 

·      2012-2013: Calibration technician, Canberra France, Lingolsheim, France.

Worked part time for a year in the Quality and Calibration department of Canberra France. Calibration and quality control on germanium based gamma ray sensors.

Peer-reviewed publications

9.     Fryer, B., Jermann, F., Patrier, P., Lanson, B., Jelavic, S., Meyer G. G., Grasby, S., Violay, M. Alteration's control on frictional behavior and the depth of the ductile shear zone in geothermal reservoirs in volcanic arcs. Journal of Geophysical Research: Solid Earth 130 (2), e2024JB030213.

8.     Meyer, G. G., Giorgetti, C., Guérin-Marthe, S., Violay, M. Earthquakes: a delocalized process. Communications Earth & Environment. 5 (1), 582.

7.     Meyer, G. G., Shahin, G., Cordonnier, B., Violay, M. (2024). Permeability partitioning through the brittle-to-ductile transition and its implications for supercritical geothermal reservoirs, Nature Communications 15 (1), 7753.

 

6.     Heap, M., Bayramov, K., Meyer G. G., Violay, M., Reuschlé, T., Baud, P., Gilg, A., Harnett, C., Kushnir, A., Lazari, F., Mortensen, A (2024). Compaction and permeability evolution of tuffs from Krafla volcano (Iceland). Journal of Geophysical Research: Solid Earth 129(8), e2024JB029067.

 

5.     Meyer, G. G., and Violay, M. (2023). Bounding the localized to ductile transition in porous rocks: Implications for geo-reservoirs. Geophysical Journal International, 235(3), 2361-2371.

 

4.     Meyer, G. G., Acosta, M., Leclere, H., Morier, L., Teuscher, M., Garrison, G., Schubnel, A., & Violay, M. (2023). A new high-pressure high-temperature deformation apparatus to study the brittle to ductile transition in rocks. Review of Scientific Instruments, 94(4), 043903.

 

3.     Heap, M. J., Meyer, G. G., Noël, C., Wadsworth, F. B., Baud, P., & Violay, M. E. S. (2022). The Permeability of Porous Volcanic Rock Through the Brittle-Ductile Transition. Journal of Geophysical Research: Solid Earth, 127(6), e2022JB024600.

 

2.     Meyer, G. G., Brantut, N., Mitchell, T. M., Meredith, P. G., & Plümper, O. (2021). Time dependent mechanical crack closure as a potential rapid source of post-seismic wave speed recovery: Insights from experiments in Carrara Marble. Journal of Geophysical Research: Solid Earth, 126(4), e2020JB021301.

1.     Meyer G. G., Brantut, N., Mitchell, T.M., Meredith, P.G., (2019). Fault reactivation and strain partitioning across the brittle-ductile transition. Geology 47, 1127–1130.

Contributions to international conferences:

13.     Meyer, G., Shahin, G., Cordonnier, B., Violay, M., (2024). Unlocking Supercritical Geothermal Reservoirs: Permeability Partitioning through the Brittle-to-Ductile Transition (invited presentation). 2024 Gordon Research Seminar on Rock Deformation.

 

12.     Meyer, G., Shahin, G., Cordonnier, B., Violay, M., (2024), Permeability of experimentally deformed ductile granite derived from in-situ measurements and post-mortem X-ray tomography: perspectives for superhot rock reservoirs (poster). EGU General Assembly 2024.

 

11.     Meyer, G., Giorgetti, C., Violay, M., (2023) Earthquakes: a volumetric process (oral presentation) 15th Euroconference on Rock Physics and Rock Mechanics.

 

10.     Meyer, G., Violay, M., (2023), Permeability of Lanhelin granite through the brittle-ductile transition. (poster) EGU General Assembly 2023.

 

9.     Figura, F., Giorgetti, C., Meyer, G., Violay, M., (2022). On the stability of carbonate-bearing faults at the brittle-to-ductile transition (oral presentation). EGU General Assembly 2022.

 

8.     Meyer, G., Violay M., Heap, M. (2022) The localized to ductile transition in porous rocks: experimental investigation on Volvic basalt (oral presentation). EGU General Assembly 2022.

 

7.     Violay, M., Meyer, G., (2022) Permeability evolution at the brittle to ductile transition in Newberry volcano basalt (oral presentation). EGU General Assembly 2022.

 

6.     Meyer, G., Brantut, N., Mitchell T., Meredith, P. (2019), Strain Rate Dependent Damage Recovery in Carrara Marble (poster). American Geophysical Union Fall meeting 2019, abstract T23D-0501.

 

5.     Meyer, G., Brantut, N., Mitchell, T. (2018), Fault Reactivation at the Brittle-Ductile Transition (oral presentation). American Geophysical Union Fall meeting 2018, abstract MR23A-04.

 

4.  Meyer, G., Brantut, N., Mitchell, T. (2018), Fault Reactivation at the Brittle-Ductile Transition (poster). Gordon Research Conference Rock Deformation, August 2018.

 

3.  Meyer, G., Brantut, N., Mitchell, T., Meredith, P. (2018), Time dependent evolution of elastic properties in fault damage zones: insights from experiments in Carrara Marble (oral presentation). Geophysical Research Abstracts, Vol. 20, EGU2018-9390-1, 20th EGU General Assembly 2018.

 

2.  Meyer, G., Brantut, N., Mitchell, T.M., Meredith, P. (2017), Damage Recovery in Carrara Marble (oral presentation).  American Geophysical Union Fall meeting 2017, abstract MR32-04.

 

1.  Meyer, G., Brantut, N., Mitchell, T.M., Meredith, P. (2017), Damage Recovery in Carrara Marble (poster). TSG-VMSG-BGA joint conference.

Invited presentations and seminars

7.     30/05/2024: “Strain and permeability partitioning in granite at the brittle-to-ductile transition: implications for geothermal energy”. Workshop du Comité Français de Mécanique des Roches. Écoles des Mines de Paris, France.

 

6.     30/04/2024: “Strain and permeability partitioning at the brittle-to-ductile transition: implications for geothermal energy”. Engineering Geology seminar series. ETH Zurich, Switzerland.

 

5.     12/04/2024: “Earthquakes: a volumetric process”. UCL mini symposium. University College London, United Kingdom.

 

4.     10/01/2024: “The brittle-ductile transition and why you should stop calling it the brittle-ductile transition”. TSK online Seminar Series. Germany Geological Society.

 

3.     28/03/2023: “The brittle-ductile transition and why you should stop calling it the brittle-ductile transition”. Seminar. École Normale Supérieure, Paris, France.

 

2.     04/01/2023: “The brittle-ductile transition and why you should stop calling it the brittle-ductile transition”. Seminar. Universidad de Chile, Santiago, Chile.

 

1.     14/07/2022: “The brittle-ductile transition and why you should stop calling it the brittle-ductile transition” Seminar. Université de Laval, Québec City, Canada

Teaching experience

·       Post-graduate teaching assistant for BSc course “Surface Processes & Structures” involving a 10-day field trip in Aínsa, Spain (April 2019), University College London, U.K.

 

·       Post-graduate teaching assistant for BSc course “Numerical Methods” (January-April 2017 & 2018) University College London, U.K.

 

Co-supervision of one PhD student: Francesco Lazari; “Effects of fluid composition on the brittle to ductile transition of rocks, implications for deep geothermal energy”. 2022-present.

Co-supervision of a visiting PhD student from University of Padova: Wei-Hsin Wu; “Experimental Studies of Fluid-Rock Interaction and Seismic Cycle in Geothermal Fields.” (2024 for 9 months).

Oeuvres de fiction

1.     Les fantômes du milieu de nulle-part (novella) to be published in l’anthologie Les Archives de l’Inhumain #1 at Éditions Octoquill (October 2024)

2.     Surtout si c’est allumé (novella) in Etherval #21 : Ombre et Lumière (2024)

3.     Le regard du phoque (novella) in l’anthologie Explorations Insolites de l’Imaginarium (2024)

4.     Si vous alliez chez Madame Hortense (novella) in Aventures Oniriques et Compagnie #72 (2024)

5.     Du domaine du possible (novella) in Revue Marginales #310 (2023)

6.     Le fils du cherche-nuage (novella) in l’anthologie Odyssée de la Revue du Faune (2022)

7.     À nos héritiers (novel) 276 pages, Éditions Angel Corp (June 2022)

8.     Un spleen inavouable (novella) in l’anthologie Turbulences de La Marge. (2020)