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Photo: High Velocity Microstructures in Kaolinite gouge

Professional Experience

  • Reader in Earthquake Geology and Rock Physics
    October. 2016 - Present. University College London, UK
  • Lecturer
    September. 2013 - October 2016. University College London, UK
  • Visiting professor
    July 2013 - August. 2013 –Department of Structural and Geotechnical Engineering, Pontifical Catholic University of Chile, Chile.
  • Post-Doctoral Researcher
    with Dr. Giulio Di Toro
    December. 2011 – June 2013. Istituto Nazionale di Geofisica e Vulcanologia (INGV), Rome, Italy
    • External lecturer
      with Professor Patrick Baud & Dr. Mike Heap
      March 2012 – present. University of Strasbourg, France.
  • Post-Doctoral Research Associate
    with Prof. Joerg Renner
    Nov. 2009 - Nov.2011. Experimental Geophysics Laboratory, Ruhr-University Bochum, Bochum, Germany
    .
    • Visiting Researcher
      with Dr. David Goldsby & Prof. Terry Tullis
      July. 2011 - August 2011. Rock Deformation Laboratory, Brown University, Providence, RI, USA
    • Visiting Researcher
      with Dr.Virginia Toy and Professor David Prior
      September 2011. Department of Geology, University of Otago, Dunedin, New Zealand.
  • JSPS Postdoctoral Research Fellow
    with Professor Toshihiko Shimamoto
    Sept. 2007 - October 2009. Department of Earth & Planetary Systems Science, Graduate School of Science, Hiroshima University, Japan
  • PhD - The Fluid flow properties of Fault Damage Zones
    Supervised by Dr. Daniel Faulkner, Prof. David Prior & Prof. Ernest Rutter.
    Oct. 2003 – Sept. 2007. University of Liverpool, UK
  • Research Assistant
    Summer 2003, with Professor Trevor Elliott @ University of Liverpool, UK
  • Bachelor of Science with Honours in Geology, 1st Class
    1999-2003. University of Liverpool

 


"I have never let my schooling interfere with my education." Mark Twain

From left; Dan Faulkner, Toshi Shimamoto, Joerg Renner, Giulio di Toro & Myself

 

Current grants & research council funded projects

 

March 2018 - Royal Society / NSFC exchange grant – Rock creep. £12,000 - Co-investigator with PI Prof. P. Meredith

February 2018 - Thesiger-Oman Scholarship from the Royal Geographical Society. £8,000 for project “A mass balance for mega-blowouts on the Qinghai-Tibet Plateau”. Co-investigator, led by PI Pieter Vermeesch

September 2017 – Science 4 Clean Energy - S4CE - € 9,785,730 Horizon 2020 project, with €1,564,621 to UCL, and €350,000 to UCL earth sciences. Co-investigator.

September 2016 – EPSRC Case PhD Studentship – £108,580. (£81,430 RC, £ 27,150 Case) Long-term engineering performance of a geological disposal facility in response to permafrost (EPSRC Industrial CASE award with BGS and Radioactive Waste Management Ltd.)

October 2015 - Natural Environment Research Council - £ 575,160 FEC (£475,832 RC contribution) NERC grant ref NE/N002938/1. "Quantifying the Anisotropy of Permeability in Stressed Rock". Principal investigator @ UCL. 36 month project.

August 2015 - Horizon 2020 EU research project - £259,000 (€ 360,879). Awarded to Adrian Jones, T. Mitchell project partner and co-supervisor of project postdoc. 3 year grant. 36 month project.

August 2015 - Natural Environment Research Council - £ 584,837 FEC (£467,869 RC contribution) NERC grant ref NE/M016471/1 for "The seismic signature of serpentinite in subduction zones: A rock physics approach". Co-investigator. 36 month project.

September 2015 - Innovative Training Network - £191,301.52 Partner in Marie Sklodowska-Curie Innovative Training Networks (ITN-ETN) totalling € 3,661,113.00 (inc. fully funded PhD studentship) - Co-investigator. 48 month project.

Summer 2015 - Fully funded Royal society Theo Murphy international scientific discussion meeting - approximately £19,000 (Convenor).

May 2015 - Ministerio
 De Economia
 Y Competitividad (Spain) € 67,000. - "Fracturing and cataclasis in continental crust rocks" - Co-investigator. Based at University of Oviedo, Spain with Dr. Sergio Llana-Funez (PI). 24 month project.

October 2014 - Natural Environment Research Council - £738,248 FEC (£578,279 RC contribution) NERC grant ref NE/M004716/1 for "Earthquake fracture damage and feedbacks in the seismic cycle: a multidisciplinary study". Principal investigator. 48 month project.

March 2014 - FONDECYT National Research Funding Competition (Chile) - £210,000 ($ 188.688.000 Chilean Peso). Project partner on project "Nature and tectono-magmatic significance of transverse crustal structures in the Andes: selected case studies from the Southern Volcanic Zone". Co-investigator. 36 month project.

 

Research group

Below is a list of postdoctoral researchers, technical staff, PhD students (UCL and visiting), MSci, MSc, research interns and previous (graduated) students.

Postdoctoral researchers

  • Dr. Catalina Sanchez-Roa – S4CE Horizon 2020 funded postdoctoral associate (current)
  • Dr. Guiseppe Saldi – S4CE Horizon 2020 funded postdoctoral associate (current)
  • Dr. Pedram Mahzari – S4CE Horizon 2020 funded postdoctoral associate (current)
  • Dr. Jabraan Ahmed - Horizon 2020 funded postdoctoral associate (current)
  • Dr. Emmanuel David – NERC funded postdoctoral associate (current)
  • Dr. John Browning – NERC funded postdoctoral associate (current)
  • Dr. Frans Aben – NERC funded postdoctoral associate (current)

Postdocs previously supervised, now left.

  • Dr. Nils Backeberg - Horizon 2020 funded postdoctoral associate (???)
  • Dr. Elisenda Bakker – Horizon 2020 funded postdoctoral associate (???)
  • Dr. Martin Rittner – part supervised and co-funded in the London Geochronology Centre for 3 months (now finished)

Technical staff

  • Mr Nicolas Snead (Research Technician in Electronic & Mechanical design, NERC funded)
  • Mr Roberto Pricci (Mechanical design engineer, NERC funded)

Current PhD students

  • Ashley Stanton-Yonge – 1st supervisor, FONDEYCT funded September 2018 - present
  • Giulia Magnarini – 1st Supervisor – STFC student – January 2017 - present
  • Almudena Sanchez – 2nd supervisor - NERC DTP student – DTP 2016 intake
  • Rebecca Strachan – 1st supervisor - NERC DTP student – DTP 2016 intake
  • Blaise Winnard – 1st supervisor – EPSRC Case – September 2016 - present
  • Gabriel Meyer – 2nd supervisor – ITN - August 2016 – present
  • Giles Ostermeijer – 1st supervisor - NERC DTP student – DTP 2015 intake
  • Rebecca Pearce – 2nd supervisor – NERC DTP student – DTP 2015 intake
  • Mark Jefferd – 3rd supervisor  – NERC DTP student – DTP 2015 intake

External PhD students

  • Jian Li, China University of Petroleum, Beijing. 2nd Supervisor

Graduated PhD Students

  • Rodrigo Gomilla – 3rd supervisor, Departamento de Ingeniería Estructural y Geotécnica. Pontificia Universidad Católica de Chile – Summer 2012 - present
  • Pamela Perez-Flores – 3rd supervisor – Departamento de Ingeniería Estructural y Geotécnica. Pontificia Universidad Católica de Chile 1 year at UCL (May 2014 – April 2015) – Summer 2013 - present
  • Guangzeng Wang, 2nd supervisor, School of Geosciences, China University of Petroleum - 1 years & 4 months at UCL (September 2014 – January 2016)
  • Matthew Vaughan, 2nd supervisor, University of Otago, 6 months at UCL (2014-15), 2012-present

MSci 4th year research project students

  • Edna Dualeh, 1st Supervisor – (graduated, 2017)
  • Blaise Winnard – 1st supervisor - (graduated, 2015)
  • Rebecca Pearce – 1st supervisor - (graduated, 2015)
  • Joseph Potten – 1st supervisor - (graduated, 2015)
  • Simon England – 1st supervisor - (graduated, 2015)
  • Mark Jefferd – 1st supervisor - (graduated, 2015)
  • William Pearson – 1st supervisor - (graduated, 2014)

MSc research students

  • Lucia Andreuttiova – 1st supervisor - (September 2016 – present)
  • Stephany Ocampo Jimenez – 1st supervisor - (September 2016 – 17)
  • Anisah Binti Anuar – 1st supervisor - (graduated, 2015)

Research Interns

  • Vasundhara Sarkar – Summer 2014 (4 months)
  • Alexandre  Gimenez – Summer 2015 (4 months)

Previous students (now graduated)

  • Brooks Proctor – PhD student, Brown University. 2nd Supervisor. Graduated August 2015
  • Marieke Rempe - PhD student, Padova University, Italy, 3rd supervisor  - January 2012- March 2015
  • Namat Amat – Masters student, University of Camerino, Italy. 2nd supvervisor. Graduated Summer 2012
  • Marieke Rempe, Masters student, Ruhr-University Bochum, 2nd supervisor - Graduated fall 2011

 

Publications

Google Scholar profile here

( # denotes a student manuscript )

 

Papers in review / revision

45. Passelegue, F. X, Brantut, N., Mitchell, T.M. (in review, GRL). Fault reactivation by fluid injection: Controls from stress state and injection rate.

44. # Jenson, E., Gonzalez, G., Faulkner, D.R., Cembrano, J., Mitchell, T.M. (in review, Tectonophysics). Fault-fluid interaction in porphyry related hydrothermal systems: petrography of fault-veins in Radomiro Tomic.

43. David, E., Brantut, N., Hansen, L. & Mitchell, T.M. (in revision, JGR) Absence of Stress-induced Anisotropy during Brittle Deformation in Antigorite Serpentinite.

42. Aben, F., Brantut, N., Mitchell, T.M., & David, E. (in review). Seismic structure and energy budget of a growing rupture in crustal rock.

41. Cembrano, J., Jensen, E., Griffith, W.A., Stanton-Yonge, A., Mitchell, T.M. & Anzaldo, Y. (in review, Journal of Structural Geology). Self-similar displacement-length scaling of strike-slip faults in crystalline rocks: mechanical implications.

40. Rowe C., Lamothe, K., Rempe, M., Andrews, M., Mitchell, T.M., Di Toro, G., White, J.C. (in review) Earthquake lubrication and healing explained by amorphous nanosilica.

39. Diffusion profiles around quartz clasts as indicators of the thermal history of pseudotachylytes. (in revision, G cubed) Thomas, R., Dobson, D.P., & Mitchell, T.M.

 

Published

38. Brantut, N., & Mitchell, T. M. (2018). Assessing the efficiency of thermal pressurization using natural pseudotachylyte‐bearing rocks. Geophysical Research Letters, 45. https://doi.org/10.1029/2018GL078649. PDF here.

37. Rempe, M., Mitchell, T. M., Renner, J., Smith, S. A. F., Bistacchi, A., & Di Toro, G. (2018). The relationship between microfracture damage and the physical properties of fault‐related rocks: The Gole Larghe Fault Zone, Italian Southern Alps. Journal of Geophysical Research: Solid Earth, 123. https://doi.org/10.1029/2018JB015900. PDF here.

36. David, C., J. Wassermann, F. Amann, J. Klaver, C. Davy, J. Sarout, L. Esteban, E. H. Rutter, Q. Hu, L. Louis, P. Delage, D. A. Lockner, A. P. S. Selvadurai, T. Vanorio, A. Amann Hildenbrand, P. G. Meredith, J. Browning, T. M. Mitchell, C. Madonna, J. Billiotte, T. Reuschlé, D. Lasseux, J. Fortin, R. Lenormand, D. Loggia, F. Nono, G. Boitnott, E. Jahns, M. Fleury, G. Berthe, P. Braun, D. Grégoire, L. Perrier, P. Polito, Y. Jannot, A. Sommier, B. Krooss, R. Fink and A. Clark (2018). "KG²B, a collaborative benchmarking exercise for estimating the permeability of the Grimsel granodiorite—Part 2: modelling, microstructures and complementary data." Geophysical Journal International 215(2): 825-843. PDF here.

35. David, C., J. Wassermann, F. Amann, D. A. Lockner, E. H. Rutter, T. Vanorio, A. Amann Hildenbrand, J. Billiotte, T. Reuschlé, D. Lasseux, J. Fortin, R. Lenormand, A. P. S. Selvadurai, P. G. Meredith, J. Browning, T. M. Mitchell, D. Loggia, F. Nono, J. Sarout, L. Esteban, C. Davy, L. Louis, G. Boitnott, C. Madonna, E. Jahns, M. Fleury, G. Berthe, P. Delage, P. Braun, D. Grégoire, L. Perrier, P. Polito, Y. Jannot, A. Sommier, B. Krooss, R. Fink, Q. Hu, J. Klaver and A. Clark (2018). "KG²B, a collaborative benchmarking exercise for estimating the permeability of the Grimsel granodiorite – Part 1: measurements, pressure dependence and pore-fluid effects." Geophysical Journal International 215(2): 799-824. PDF here.

34. Browning, J., P. G. Meredith, C. Stuart, S. Harland, D. Healy and T. M. Mitchell (2018). A Directional Crack Damage Memory Effect in Sandstone Under True Triaxial Loading. Geophysical Research Letters 45(14): 6878-6886. PDF here.

33. # Pérez-Flores, P., Wang, G., Mitchell, T.M., Meredith, P., Nara, Y., Sarkar, V. & Cembrano, J. (in review, Journal of Structural Geology). The effect of offset on fracture permeability of rocks from the Andean Southern Volcanic Zone, Chile. PDF here.

32. Nils Backeberg, Francesco Iacoviello, Martin Rittner, Thomas Mitchell, Adrian Jones, Richard Day, John Wheeler, Paul Shearing, Pieter Vermeesch, and Alberto Striolo. (2017) Quantifying the anisotropy and tortuosity of permeable pathways in clay-rich mudstones using models based on X-ray tomography. Nature Scientific Reports. PDF here.

31. # Vaughan, M. J., Prior, D. J., Jefferd, M., Brantut, N., Mitchell, T. M., and Seidemann, M., 2017, Insights into anisotropy development and weakening of ice from in situ P wave velocity monitoring during laboratory creep: Journal of Geophysical Research: Solid Earth, v. 122, no. 9, p. 7076-7089. PDF here.

30. Browning, J., Meredith, P. G., Stuart, C. E., Healy, D., Harland, S., and Mitchell, T. M., 2017, Acoustic characterization of crack damage evolution in sandstone deformed under conventional and true triaxial loading: Journal of Geophysical Research: Solid Earth, v. 122, no. 6, p. 4395-4412. PDF here.

29. Mitchell, T. M., Cembrano, J. M., Fujita, K., Hoshino, K., Faulkner, D. R., Perez-Flores, P., Arancibia, G., Rempe, M., and Gomila, R., 2017, Fluid Inclusion Evidence of Coseismic Fluid Flow Induced by Dynamic Rupture, Fault Zone Dynamic Processes, John Wiley & Sons, Inc., p. 37-45. PDF here.

28. Malone, D. H., Craddock, J. P., Schmitz, M. D., Kenderes, S., Kraushaar, B., Murphey, C. J., Nielsen, S., and Mitchell, T. M., (2017). Volcanic Initiation of the Eocene Heart Mountain Slide, Wyoming, USA: The Journal of Geology, v. 0, no. 0, p. 000-000. PDF here.

27. Fondriest, M., Doan, M.-L., Aben, F., Fusseis, F., Mitchell, T. M., Voorn, M., Secco, M., and Di Toro, G., (2017), Static versus dynamic fracturing in shallow carbonate fault zones: Earth and Planetary Science Letters, v. 461, p. 8-19. PDF here.

26. Rempe, M., Smith, S., Mitchell, T.M., Hirose, T., and Di Toro, G., (2017), The effect of water on strain localization in calcite fault gouge sheared at seismic slip rates: Journal of Structural Geology, v. 97, p. 104-117. PDF here.

25. # Wang G., Mitchell T.M., Meredith P.G., Nara Y. & Wu Z. (2016) Influence of gouge thickness and grain size on permeability of macrofractured basalt, J. Geophys. Res., 121, doi:10.1002/2016JB013363. PDF here.

24. Mitchell, T. M., V. Toy, G. Di Toro, J. Renner and R. H. Sibson (2016). Fault welding by pseudotachylyte formation. Geology. PDF here.

23. # Gomila, R., Arancibia, G., Mitchell, T.M., Cembrano, J.M. & Faulkner, D.R., Palaeopermeability structure within fault-damage zones: A snap-shot from microfracture analyses in a strike-slip system, (2016), Journal of Structural Geology, Volume 83, February 2016, Pages 103-120, ISSN 0191-8141, http://dx.doi.org/10.1016/j.jsg.2015.12.002. PDF here.

22. # Aben, F. M., M.-L. Doan, T. M. Mitchell, R. Toussaint, T. Reuschle, M. Fondriest, J.-P. Gratier, and F. Renard (2016), Dynamic fracturing by successive coseismic loadings leads to pulverization in active fault zones, J. Geophys. Res. Solid Earth, 121, 2338–2360, doi:10.1002/2015JB012542. PDF here.

21. Healy, D., T. G. Blenkinsop, N. E. Timms, P. G. Meredith, T. M. Mitchell, and M. L. Cooke (2015), Polymodal faulting: Time for a new angle on shear failure, Journal of Structural Geology, 80, 57-71, doi:http://dx.doi.org/10.1016/j.jsg.2015.08.013. PDF here.

20. Toy, V. G., T. M. Mitchell, A. Druiventak, and R. Wirth (2015), Crystallographic preferred orientations may develop in nanocrystalline materials on fault planes due to surface energy interactions, Geochemistry, Geophysics, Geosystems. PDF here.

19. Mitchell, T. M., S. A. F. Smith, M. H. Anders, G. Di Toro, S. Nielsen, A. Cavallo, and A. D. Beard (2015), Catastrophic emplacement of giant landslides aided by thermal decomposition: Heart Mountain, Wyoming, Earth and Planetary Science Letters, 411(0), 199-207,. PDF here.

18. # Proctor, B. P., T. M. Mitchell, G. Hirth, D. Goldsby, F. Zorzi, J. D. Platt, and G. Di Toro (2014), Dynamic weakening of serpentinite gouges and bare-surfaces at seismic slip rates, Journal of Geophysical Research: Solid Earth, 2014JB011057, doi:10.1002/2014JB011057 PDF here.

17. # Rempe, M., S. A. F. Smith, F. Ferri, T. M. Mitchell, and G. Di Toro (2014), Clast-cortex aggregates in experimental and natural calcite-bearing fault zones, Journal of Structural Geology, 68, Part A(0), 142-157, doi: http://dx.doi.org/10.1016/j.jsg.2014.09.007. PDF here.

16. Toy, V.G. & Mitchell, T.M. (2014). Photograph of the month. Journal of Structural Geology. PDF here.

15. Arancibia, G., K. Fujita, K. Hoshino, T. M. Mitchell, J. Cembrano, R. Gomila, D. Morata, D. R. Faulkner, and M. Rempe (2014), Hydrothermal alteration in an exhumed crustal fault zone: Testing geochemical mobility in the Caleta Coloso Fault, Atacama Fault System, Northern Chile, Tectonophysics, 623(0), 147-168, doi: http://dx.doi.org/10.1016/j.tecto.2014.03.024. PDF here.

14. # Rempe, M., Mitchell T.M., Renner, J., Nippress, S., Ben-Zion, Y.& Rockwell, T. 2013. Damage and seismic velocity structure of pulverized rocks near the San Andreas Fault. Journal of Geophysical Research - Solid Earth. PDF here.

13. Smith, S.A.F., Bistacchi, A., Mitchell. T.M., Mittempergher, S. & Di Toro, G. 2013. The structure of an exhumed intraplate seismogenic fault in crystalline basement. Tectonophysics. PDF here.

12. Griffith, W.A., Mitchell, T.M., Renner, J., Di Toro, G., 2012. Coseismic damage and softening of fault rocks at seismogenic depths. Earth and Planetary Science Letters 353–354, 219-230. PDF here.

11. Mitchell, T.M. and Faulkner, D.R., 2012.  Towards quantifying the matrix permeability of fault damage zones in low porosity rocks, Earth and Planetary Science Letters, v. 339–340, p. 24–31. PDF here.

10. Lavallée, Y., Mitchell, T.M., Heap, M.J., Vasseur, J., Hess, K.-U., Hirose, T., Dingwell, D.B., 2012. Experimental generation of volcanic pseudotachylytes: Constraining rheology. Journal of Structural Geology 38, 222-233. PDF here

9. Di Toro, G., Mittempergher, S., Ferri, F., Mitchell, T.M., Pennacchioni, G., 2012. The contribution of structural geology, experimental rock deformation and numerical modelling to an improved understanding of the seismic cycle: Preface to the Special Volume “Physico-chemical processes in seismic faults”. Journal of Structural Geology 38, 3-10. PDF here

8. Faulkner, D.R , Mitchell, T.M., Behnsen, J., Hirose, T., Shimamoto, T. Stuck in the mud? 2011. Earthquake nucleation and propagation through accretionary forearcs. (Geophysical Research Letters, 38, L18303, doi:10.1029/2011GL048552) PDF here. Article picked for 'Research Highlights' in Nature Geoscience, October 2011

7. Mitchell, T. M., Ben-Zion, Y., and Shimamoto, T., 2011, Pulverized fault rocks and damage asymmetry along the Arima-Takatsuki Tectonic Line, Japan: Earth and Planetary Science Letters, v. 308, no. 3-4, p. 284-297. PDF here

6. Faulkner, D.R., Mitchell, T.M. Jensen, E. and Cembrano, J. 2011. Scaling of fault damage zones with displacement and the implications for fault growth processes: Journal of Geophysical Research-Solid Earth, v. 116. PDF here

5. De Paola, N., Hirose, T., Mitchell, T.M., Di Toro, G. Viti, C. and Shimamoto, T. 2011. Fault lubrication and earthquake propagation in thermally unstable rocks. Geology, January 2011; v. 39; no. 1; p. 35-38. PDF here.

4. Mitchell, T.M. & Faulkner, D.R. 2009.  The nature and origin of off-fault damage surrounding strike-slip fault zones over a wide range of scales: A field study from the Atacama fault zone, northern Chile. Journal of Structural Geology, 31(8): 802-816. PDF here.

3. Mitchell, T. M. & Faulkner, D. R. 2008. Experimental measurements of permeability evolution during triaxial compression of initially intact crystalline rocks and implications for fluid flow in fault zones. Journal of Geophysical Research - Solid Earth 113 (B11) PDF here

2. Faulkner, D. R., Mitchell, T. M., Rutter, E. H. & Cembrano, J. 2008. On the structure and mechanical properties of large strike-slip faults. In: Structure of Fault Zones: Implications for Mechanical and Fluid-Flow Properties (edited by Wibberley, C. A. J., Kurz, W., Imber, J., Holdsworth, R. E. & Collettini, C.) 299. Geological Society, London, Special Publications, 139-150. PDF here

1. Faulkner, D. R., Mitchell, T. M., Healy D, and M. J. Heap, 2006. Slip on 'weak' faults by the rotation of regional stress in the fracture damage zone.  Nature 444 (7121): 922-925. PDF here

Mitchell. T.M.  2007.  PhD Thesis.  The Fluid Flow Properties of Fault Damage Zones.  (Harold Cohen Library, University of Liverpool). Request PDF here


Invited / keynote talks

* Marks major international conference, # denotes invited to an upcoming conference, but not yet presented.

 

54. August 2018 – Roland Burgmann research group, Berkeley

53. * August 2018 - Gordon conference on Rock Deformation, New Hampshire

52. * April 2018 - EGU Bullerwell lecture 2018

51. April 2018 – University Southern California

50. April 2018 – Northridge State University

49. April 2018 – San Diego State University

48. April 2018 – Caltech, USA

47. March 2018 – US Geological Survey, Earthquake Seminar

46. March 2018 - University of Santa Cruz, USA

45. January 2018. Department of Geosciences. University of Oslo

44. November 2017 – Departmental Seminar, Australia National University

43. * November 2017 - Structural Geology and Tectonics Specialist Group meeting (SGTSG), Denmark, Australia

42. * December 2017 – American Geophysical Union, New Orleans

41. October 2017 – Department of Earth Sciences, Leeds University

40. April 2017 - British Seismology Meeting, Reading

39. January 2017 - VMSG TSG BGA Joint meeting, Liverpool

38. December 2016 – Departmental Seminar, Kingston University, UK

37. October 2016 – Departmental Seminar, Ecole Normale Supérieure (ENS,) Paris.

36. December 2015. Dynamic Planet Departmental Seminar, School of Environmental Sciences, School of Biological Sciences and the Department of Geography, University of Portsmouth.

35. November 2015. Liverpool University Herdman Society Seminar,

34. May 2015 - Departmental Frontiers Seminar, Department of Earth and Environmental Sciences, Ludwig-Maximilians University, Munich.

33.March 2015 - Departmental Seminar, School of Earth Science, University of Durham

32. October 2014 - Departmental Seminar, School of Earth Science, University of Bristol,

31. October 2014 - Departmental Seminar, Department of Earth Science, University of Oxford

30. *July 2014. Gordon Research Conference on Rock Deformation, Evolving rock structure: from grain-scale to planet-scale

29. February 2014., Departmental Seminar, School of Earth, Atmospheric and Environmental Science, University of Manchester,

28. November 2013, University College London,

27. October 2013, Solid Earth Physics Seminar, Harvard.

26. * October 2013, GSA annual meeting, Devner, USA.

25. August 2013, Department of Geology and Geophysics, Texas A&M University, Texas, College Station, USA.

24. *April 2013, EGUView abstract

23. April 2012, University of Strasbourg, Strasbourg, France.

22. * December 2011, AGU, abstract, T33J-03. View abstract

21.November 2011, Department of Earth Sciences, University College London.

20. November 2011, ETH Zurich.

20. September 2011, University of Otago, New Zealand.

19. August 2011, Harvard University, Solid Mechanics Research Group

18. August 2011, Lamont-Doherty Earth Observatory

17. August 2011, San Diego State University , to Tom Rockwell & Gary Girty Research group.

16. * April 2011, EGUView abstract.

15.  February 2011, Lassonde Institute, University of Toronto, to Prof. Paul Youngs research group, .

14. January, 2011 - Dep. Of Earth Sciences, Grenoble, France

13. June 2010 - University of Bonn, Germany.  Damage surrounding strike-slip fault zones in nature and experiment. 

12. May 2010, Symposium on Lithospheric Deformation: Turning Observations into Models. Bochum, Germany

11. May 2010, University of California Santa Cruz: Earth and Planetary Sciences, Departmental seminar.

10. April 2010 – DGG conference, Ruhr-Bochum University

9. March 2010 – INGV, Italy. 

8. January 2010 – GFZ Potsdam, Germany

7. January 2010 – Utrecht University, Faculty of Geosciences

6. December 2009 – Dep. Of Earth Sciences, Grenoble, France

5. December 2009 – Ecole Normale Supérieure (ENS,) Paris

4. November 2009 - Munich University

3. * April 2009, (EGU), Vienna, Austria View abstract.

2. * 2008, Asia Oceania Geosciences Society (AOGS), Busan, KoreaView abstract

1. November 2006, Ruhr-University Bochum, Germany, November 2006.

 

 

Published abstracts

All oral presentations, except where * denotes poster presentation. # denotes accepted abstracts not yet presented.

71. # Mitchell, T.M., Billi, A., Miller, S., Goldsby, D., Scholz, C.H., Gran, J.K. Simons, J.  Dynamic pulverization by rapid decompression. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

70. # Rempe, M., Ferri, F., Smith, S.A.F., Mitchell, T.M., Di Toro, G.  Clast-cortex grains in natural and experimental carbonate-bearing fault zones: slip-rate independent formation at shallow depth. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

69. #  Di Toro, G, Rempe, M., Smith, S.A.F., Mitchell, T.M. Strain localization in experimentally sheared gouge layers. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

68. # Proctor, B., Mitchell, T.M., Hirth, J.G., Goldsby, D., Di Toro, G. & Zorzi, F.  Comparisons between gouge and bare surface friction of serpentine at seismic slip velocities:  Implications for dynamic weakening of gouge-bearing faults. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

67. # Hadizadeh, J., Carpenter, B. Mitchell, T.M., & Di Toro, G.  Microstructures of reconstituted SAFOD gouge deformed in room temperature friction experiments at 14 μm/s to 6 m/s sliding velocities.

66. # Rowe, C.D., Rempe, M. Lamothe, K., Kirkpatrick, J. White, J.C., Mitchell, T.M., Andrews, M., Di Toro , G. Silica Lubrication in Faults. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

65. # Korneva, I., Tondi, E., Rustichelli, A., Mitchell, T.M., Agosta, F. Mechanical and chemical processes in the fault zone crosscutting slope Apulian carbonate platform and their effect on the fault permeability (Gargano Promontory, Italy). Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

64. # Toy, V., Wirth, R., Mitchell, T.M.  Deformation band-like defects as possible precursors to microfracture planes, resulting in the generation of nanopowders on simulated fault planes. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

63. # Gomila, R., Mitchell, T.M., Arancibia, G., Jensen, E., Rempe, M., Cembrano, M., Faulkner, D.R.  The damage and geochemical signature of a crustal scale strike-slip fault zone. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

62. # Fujita, K., Mitchell, T.M., Cembrano, J.M., Hoshino, K., Perez-Flores, P., Faulkner, D.R., Arancibia, G., Gomila, R. & Rempe, M.  Fluid inclusion evidence of post-seismic fluid flow induced by dynamic rupture. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

61. # Arancibia, G., Fujita, K., Hoshino, K., Mitchell, T.M., Cembrano, J.; Gomila, R.; Morata, D., Faulkner, D.R. & Rempe, M. Hydrothermal alteration in an exhumed crustal fault zone: geochemical mobility in the Caleta Coloso Fault, Atacama Fault System, Northern Chile. Submitted to AGU Fall meeting, December 2013, San Francisco, USA.

60. # Mitchell, T.M., Smith, S.A., Anders, M.H. & Di Toro, G.  Catastrophic emplacement of giant landslides aided by thermal decomposition. Submitted to GSA annual meeting, December 2013, Devner, USA.

59. # Mitchell, T.M., Rempe, M. Smith, S., Renner, J., & Di Toro, G. Damage, permeability and sealing processes of an exhumed seismic fault zone; The Gole Larghe Fault Zone, Italian Alps. Submitted to GSA annual meeting, December 2013, Devner, USA.

58. Mitchell, T.M., Rempe, M. Smith, S., Renner, J., & Di Toro, G. Damage, permeability and sealing processes of an exhumed seismic fault zone; The Gole Larghe Fault Zone, Italian Alps (Invited).  EGU 2013.  View abstract

57. ** Sawai, M., Shimamoto, T., Mitchell, T.M., Kitajima, H. & Hirose, T.  Frictional behavior and BET surface-area changes of SAFOD gouge at intermediate to seismic slip rates.  EGU 2013.  View abstract

56. Yoshitaka, Y. Meredith, P., & Mitchell, T.M.  Influence of macro-fractures and fault gouge on permeability in basalt.  EGU 2013.  View abstract

55. Bistacchi, A., Mittempergher, S., Smith, S., Di Toro, G., Mitchell, T.M., Nielsen, S.   Towards measuring large-scale hydraulic properties of the seismogenic Gole Larghe Fault Zone at 8 km depth.  EGU 2013.  View abstract

54. Di Toro, G., Smith, S.A., Fondriest, M., Bistacchi, A., Nielsen, S.B., Mitchell, T.M., Mittempergher, S. & Griffith, W.A. Is the fault core-damage zone model representative of seismogenic faults? Pre-existing anisotropies and fault zone complexity (GDT Invited). AGU 2012 abstract, T24A-01. View abstract.

53. * Mitchell, T.M., Smith, S.A., Anders, M.H. & Di Toro, G. Dynamic weakening and thermal decomposition during the Heart Mountain mega-landslide. AGU 2012 abstract, S21B-2483. View abstract

52. * Morton, N., Mitchell, T.M., Doan, M., Girty, G., Rockwell, T.K. & Renner, J. Ultra-high permeability induced by seismic shockwaves near the San Jacinto Fault. AGU 2012 abstract, S21B-2484. View abstract.

51. * Gomila, R., Mitchell, T.M., Arancibia, G., Jensen, E., Rempe, M., Cembrano, J.M., Hoshino, K. & Faulkner, D.R. Geochemistry and fluid inclusions across a crustal strike-slip Mesozoic fault: insights of fluid-flow / rock interaction in the Atacama Fault System. AGU 2012 abstract, T21A-2548. View abstract

50. Rempe, M., Mitchell, T.M., Renner, J., Nippress, S. Rockwell, T.K. & Ben-Zion, Y. Damage structure, anisotropy and seismic velocity of pulverized rocks on the San Andreas Fault. AGU 2012 abstract, T24A-02. View abstract

49. Mitchell, T. M., Girty, G. H., Morton, N., Rockwell, T. K., & Renner, J.  Deformation Processes and Properties of the San Jacinto Fault Zone.  Seismological Society of America 2012. View abstract

48. Bistacchi, A., Smith S.A., Di Toro, G., Jones, R., Griffith, W.A., Mittempergher, S., Mitchell T.M., Spagnuolo, E., Rempe, M., Nielsen, S., and Niemeijer, A. Multi-scale characterization of the seismogenic Gole Larghe Fault Zone (Southern Alps, Italy): methodology and results. EGU 2012.  View abstract

47. Mitchell, T.M., Smith, S., Bistacchi, A. Rempe, M, & Di Toro, G. Fracture network characteristics, sealing, and velocity structure of an exhumed seismic fault zone; The Gole Larghe Fault Zone, Italian Alps. AGU 2011 abstract, T12C-02. View abstract

46. Mitchell, T.M., Renner, J. & Sibson, R.H. Experimental Fault Reactivation on Favourably and Unfavourably Oriented Faults (Invited). AGU 2011 abstract, T33J-03. View abstract

45. * Griffith, W.A., Mitchell, T.M., Di Toro, G., & Renner, J.  Ultra-low co-seismic stiffness of fault rocks at seismogenic (8-11 km) depth. AGU 2011 abstract, T23E-2461. View abstract

44. * Toy, V.G., Mitchell, T.M., & Druiventak, A.  Dislocation Processes and Frictional Stability of Faults. AGU 2011 abstract, T23E-2459. View abstract

43. * Scott, J., Toy, V.G., Mitchell, T.M., Goldsby, D.L. & Tullis, T.E. Chemical and Microstructural Changes During Development of Mixed Ultramafic-quartzofeldspathic Fault Rock and the Effect on Mechanical Behaviour; Observations from SAFOD Gouge. AGU 2011 abstract, T33E-2464. View abstract

42. * Rabinowitz, H., Skemer, P.A., Mitchell, T.M. & Di Toro, G.  Experimental Reactivation of Pseudotachylite-bearing Faulted Rocks.  AGU 2011 abstract, T13A-2341. View abstract

41. * Lavallee, Y., Mitchell, T.M., Heap, M.J., Kendrick, J.E., Kennedy, B., Ashwell, P.A., Hirose, T. & Dingwell, D.B. Comminution and frictional melting in volcanic conduits. AGU 2011 abstract, V23F-2623. View abstract

40.  Faulkner, D.R., Armitage, P.J., Blake, O.O. & Mitchell, T.M. Characterizing Fault Damage Zones in the Field and Laboratory; Scaling and Physical Properties (Invited).  AGU 2011 abstract, T11E-01. View abstract

39. Mitchell, T.M.  Damage Structure, Permeability and Seismic Properties of Fault Zones in the Seismic Cycle in Nature and the Laboratory.  Abstract, EGU 2011.  View abstract.

38. Mitchell, T.M., Heap, M., Lavallee, Y., Hirose, T., Dingwell, D., Vinciguerra, S. & Renner, J.  Frictional Melt Generated from Similar & Dissimilar Volcanic and Sedimentary Rocks. Abstract, EGU 2011.  View abstract.

37. * Strutz, M.A., Mitchell T.M. & Renner, J.  Experimental Measurements of Fault Wear and Permeability Evolution along Faults during Progressive Slip. Abstract, EGU 2011.  View abstract.

36. * Griffith, W. A., Mitchell, T.M. & Di Toro, G.  In situ coseismic stiffness of fault rocks calculated using aspect ratios of pseudotachylyte injection veins. Abstract, EGU 2011.  View abstract.

35. Rempe, M., Mitchell, T.M., Renner, J., Nippress, S., Ben-Zion, Y., Thomas K Rockwell, Steven Smith5 & Giulio Di Toro5.  Investigating the Damage Pattern of Fault Zone Rocks by In-Situ Seismic Field Measurements and Laboratory Experiments. Abstract, EGU 2011. View abstract.

34. * Smith, S.A.F., Bistacchi, A., Mitchell, T.M., Rempe, M., Di Toro, G., Jones, R., Renner, J., Niemeijer, A., Griffith, W.A., Nielsen, S., Spagnuolo, E., & Mittempergher, S.  Fracture Network Characteristics and Velocity Structure of a Seismic Fault Zone. Abstract, EGU 2011.  View abstract.

33. Lavallee, Y., Mitchell, T.M., Heap, M., Hirose, T., Dingwell, D., Vinciguerra, S. & Renner, J.  (2010).  Dynamics of pseudotachylytes in volcanic structures. Abstract, EGU 2011.  View abstract.

32. * Mitchell, T.M., Sibson, R.H., Renner, J., Toy, V., Di Toro, G. & Smith, S.  (2010).  Experimental Fault Reactivation on Favourably and Unfavourably Oriented Faults. Abstract, AGU fall meeting 2010.  View abstract.

31. * Rempe, M., Mitchell T.M., Renner, J., Nippress, S., Ben-Zion, Y., Okaya, D., Rockwell, T., Allam, A., Özakın, Y., Donovan, J. & Xu, S. (2010). Pulverized Fault Zone Rocks along the San Andres Fault: Investigating the damage pattern by seismic field measurements. Abstract, AGU fall meeting 2010.  View abstract.

30. * Strutz, M.A., Mitchell T.M. & Renner, J. (2010).  Experimental Measurements of Permeability Evolution along Faults during Progressive Slip. Abstract, AGU fall meeting 2010.  View abstract.

29.  Mitchell, T.M., Sibson, R.H. & Renner, R.  Experimental Comparison of Load-Strengthening and Load-Weakening Behaviour Leading to Fault Reshear. EGU 2010 abstract.  View abstract.

28.  Mitchell T.M., Weschler, N. Rockwell, T. Ben-Zion, Y. Faulkner, D.R. & Shimamoto, T.  Variations in Structural Symmetry, Damage Distribution, and Textural Characteristics surrounding Strike-Slip Faults, EGU 2010 abstract.  View abstract.

27.  De Paola, N., Hirose, T., Mitchell, T.M., Di Toro, G. Viti, C. and Shimamoto, T. Fault Lubrication and Earthquake Propagation in Thermally Unstable Rocks, EGU 2010 abstract.  View abstract.

26.  # Fujita, K., Oohashi, K., Mitchell, T.M., Faulkner, D.R. & Hoshino, K..  Laser Raman spectroscopic analysis of fluid inclusions along fault zones.  View abstract.

25. De Paola, N., Hirose, T., Mitchell, T.M., Di Toro, G. Viti, C. and Shimamoto, T. Fault Lubrication and Earthquake Propagation in Thermally Unstable Rocks, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T52A-0. View abstract

24. Mitchell, T.M., Shimamoto, T., and Ben-Zion, Y. (2009), Pulverized Fault Rocks and Damage Asymmetry along the Arima-Takatsuki Tectonic Line, Japan: Fault Structure, Damage Distribution and Textural Characteristics, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T54A-02. View abstract

23. Doan, M., Mitchell, T.M. and Gary, G. (2009), Experimental investigation of asymmetric pulverization along the Arima-Takatsuki fault, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T41A-1990. View abstract

22. Faulkner, D.R., Mitchell, T.M., Hirose, T., and Shimamoto, T. (2009), Stuck in the mud? Earthquake propagation through clay-rich fault zones, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract T21D-1860. View abstract

21Mitchell, T.M. & Faulkner, D.R. (2009), Fault Damage Zone Permeability in Crystalline Rocks from Combined Field and Laboratory Measurements: Can we Predict Damage Zone Permeability?, Abstract, European Geosciences Union, Vienna, Austria.  Geophys. Res. Abs. 11, EGU2009-1019-5. View abstract

20.  De Paola, N., Hirose, T., Mitchell, T.M. & Di Toro, G., Togo, T., and Shimamoto, T. (2009), Thermal Pressurization Induced by Coseismic Shear Heating within Thermally Unstable Rocks, Abstract, European Geosciences Union, Vienna, Austria.  Geophys. Res. Abs. 11, EGU2009-5348-3. View abstract

19Mitchell, T.M., Shimamoto, T., and Ben-Zion, Y (2009), Pulverized Fault Rocks Along the Arima-Takatsuki Tectonic Line, Japan:  Fault Structure, Damage Distribution and Textural Characteristics, Abstract, European Geosciences Union, Vienna, Austria.  Geophys. Res. Abs. 11, EGU2009-11751-2, 2009. View abstract

18.  * Faulkner, D.R., Mitchell, T.M., Hirose, T., and Shimamoto, T. (2009), The Frictional Properties of Phyllosilicates at Earthquake Slip Speeds, Abstract, European Geosciences Union, Vienna, Austria.  Geophys. Res. Abs. 11, EGU2009-5751-3. View abstract

17.  * Mitchell, T.M. & Faulkner, D.R. (2008), Fault Damage Zone Permeability in Crystalline Rocks from Combined Field and Laboratory Measurements, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract T13A-1915. View abstract

16. Faulkner, D.R. & Mitchell, T.M. (2008), The Frictional Properties of Phyllosilicates at Earthquake Slip Speeds, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract T22A-08. View abstract

15. Togo, T., De Paola, N., Di Toro, G., Hirose, T., Mitchell, T.M., Shimamoto, T. (2008), Seismic Faulting of Dolomite Rocks: Textures and Possible Slip Weakening Mechanisms, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract T54A-04. View abstract

14. De Paola, N., Hirose, T., Mitchell, T.M., Di Toro, G., Togo, T., Shimamoto, T. (2008), Thermal Pressurization Induced by Coseismic Shear Heating Within Thermally Unstable Rocks, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract S34B-07. View abstract

13.  * Faulkner, D.R, Mitchell, T.M, & Heap, M.J. 2008, On Stress Rotations in Fault Damage Zones, Abstract, Asia Oceania Geosciences Society (AOGS), Busan, Korea, SE82-A037. View abstract

12.  Mitchell, T.M. and Faulkner, D.R. 2008, On the Structure and Mechanical Properties of Large Strike-slip Faults, Abstract, in the Session entitled 'Faults and Earthquakes', Abstract, Asia Oceania Geosciences Society (AOGS), Busan, Korea, SE82-A036. View abstract

11.  Mitchell, T.M. and Faulkner, D.R. 2008.  Experimental Measurements of Permeability Evolution during Triaxial Compression of Initially Intact Crystalline Rocks and Implications for Fluid Flow in Fault Zones, Abstract, in the Session entitled 'Faults and Earthquakes', Abstract, Asia Oceania Geosciences Society (AOGS), Busan, Korea, SE82-A033. View abstract

10.  Faulkner, D.; Mitchell, T.; Heap, M.; Vinciguerra, S.; Meredith, P. 2008. (DRF. INVITED) On stress rotations in fault damage zones.  Abstract, European Geosciences Union, Vienna, Austria.  Geophys. Res. Abs. 10, 1607-7962/gra/EGU2008-A-11445. View abstract

9.  Mitchell, T.M. and Faulkner, D.R. 2008.  Experimental Measurements of Permeability Evolution during Triaxial Compression of Initially Intact Crystalline Rocks and Implications for Fluid Flow in Fault Zones, Abstract, European Geosciences Union, Vienna, Austria.  Geophys. Res. Abs. 10, 1607-7962/gra/EGU2008-A-05441. View abstract

8.  * Mitchell, T.M., Shimamoto, T., Ando, J., & Ben-Zion, Y., 2008.  The Seismic Velocity and Permeability Properties of Pulverized Rocks, Abstract, European Geosciences Union, Vienna, Austria.  Geophys. Res. Abs. 10, 1607-7962/gra/EGU2008-A-06510. View abstract

7.  Mitchell, T.M. and Faulkner, D.R. 2007.  Experimental Measurements of Permeability Evolution During Brittle Deformation of Crystalline Rocks and Implications for Fluid Flow in Fault Zones, Abstract, American Geophysical Union, San Francisco.  Eos, Transactions, American Geophysical Union 88. View abstract

6.  Faulkner, D.R., Mitchell, T.M. 2007. (DRF. INVITED) The Structure and Fluid Flow Properties of Fault Zones: Inferences from Combined Field and Laboratory Studies. Eos, Transactions, American Geophysical Union 88. View abstract

5.  Mitchell, T.M. and Faulkner, D.R. 2006.  On the Origin and Distribution of Fracture Damage Surrounding Strike-Slip Fault Zones. Abstract, American Geophysical Union, San Francisco.  Eos, Transactions, American Geophysical Union 87. View abstract

4.  * Faulkner, D. R., Mitchell, T. M., Healy D, and M. J. Heap, 2006.  Slip on 'weak' faults by the rotation of regional stress in the fracture damage zone, Abstract, American Geophysical Union, San Francisco.  Eos, Transactions, American Geophysical Union 87. View abstract

3.  * Mitchell, T.M. and Faulkner, D.R. 2006.  On the Nature and Distribution of Damage Surrounding Large Strike-Slip Fault Zones. Abstract, European Geosciences Union, Vienna, Austria.  Eos, Transactions, American Geophysical Union 87. View abstract

2.  * Mitchell T.M. and Faulkner, D.R. 2006. On the nature and distribution of damage surrounding large strike-slip fault zones. Geophys. Res. Abs. 8. View abstract

1.  * Mitchell, T.M. and Faulkner, D.R. 2005.  Fault Damage Zone Characteristics and the Evolution of Fluid Flow Properties.  Abstract, American Geophysical Union, San Francisco.  Eos, Transactions, American Geophysical Union 86. View abstract