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Dr. Johannes C. Vrijmoed

Hans Vrijmoed

Arbeitsbereich Mineralogie-Petrologie

Senior Researcher

Malteserstr. 74-100
Room L641
12249 Berlin
+49 30 838 461620

Positions held

since 11/2019

Senior Researcher (Akademischer Rat) at the Freie Universität Berlin, Germany

09/2016 - 11/2019

Researcher at the Freie Universität Berlin, Germany (with Prof. T. John)

03/2014 – 08/2016

Postdoctoral Researcher at ETH Zurich, Switzerland within the MADE-IN-EARTH ERC project (with Prof. L. Tajčmanová)

10/2011 – 02/2014

Premier Assistant at UNIL, Switzerland (with Prof. L. P. Baumgartner)

02/2010 - 10/2011

Assistant professional researcher UCSB, USA (CA) (with Prof. B. R. Hacker)

02/2010 - 01/2011

20% Researcher at PGP, UiO, Norway (PETROBAR project)

10/2009 - 01/2010

Researcher at PGP, UiO, Norway (with Dr. N. Simon, PETROBAR project)

04/2009 - 09/2009

Researcher at PGP, UiO, Norway (with Dr. H. Svensen)

11/2005 - 12/2008

Visiting researcher at FALW, VU Amsterdam, The Netherlands (with Prof. Dr. G.R. Davies)


11/2005 - 04/2009

PhD at PGP, University of Oslo, Norway.

Thesis: "Physical and chemical interaction in the interior of the Caledonian mountains of Norway".

Supervisors: Prof. Dr. Y.Y. Podladchikov, Prof. Dr. H. Austrheim and Prof. Dr. T. B. Andersen

09/2002 - 09/2005

Graduate Student at FALW, VU Amsterdam.

Thesis: "Tectonometamorphic and geochronological analysis of the Bud-Tornes area, NW-Norway: From Iapetus to Atlantic".

Supervisors: Prof. Dr. G.R. Davies and Dr. H.L.M. van Roermund

09/1999 - 09/2002

BSc in Structural Geology at FALW, VU Amsterdam.

Bachelor thesis on theoretical and practical aspects of strike-slip tectonics, including structural analysis, mapping and paleostress analysis

Supervisor: Dr. C. Biermann

Professional affiliation

Reviewer for:

  • Geology

  • Computers and Geosciences

  • Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences

  • The Geological Society Special Publication

  • Journal of Metamorphic Geology

  • Tectonophysics

  • Contributions to Mineralogy and Petrology

  • Geophysical Journal International

  • European Journal of Mineralogy

  • Gondwana Research

  • Journal of Petrology

  • Geochemistry, Geophysics, Geosystems

Conventer at:

  • EGU 2017: Session GMPV3.1 Fluid-solid interactions: from mechanism to rate -from grain scale to plate

  • GeoBremen2017: Session 4.2: Fluid-rock interactions: from mechanisms to rates –from atom to plate

Invited Conference Talks

  • GeoMünster, 2019/ Münster Germany

  • Fluid Transport Modeling Workshop, 2019/ University of Minnesota, Minneapolis, USA

  • EGU Galileo Cpnference, GC4-Subduction-35, 2018/ Seggau, Austria

  • Interplay Mineral and reactions Workshop, 2017/ ETH Zürich, Switzerland

  • EGU General Assembly 2014/ Vienna, Austria

  • EGU General Assembly 2013/ Vienna, Austria

  • GeoMod 2012/ Lausanne, Switzerland

Invited Seminar Talks

  • University Potsdam, 2017 / Potsdam, Germany

  • University Bern, 2016 / Bern, Switzerland

  • University of Freiburg, 2015 / Freiburg, Germany

  • SGT Seminar, ETH Zürich, 2015 / Zürich, Switzerland
  • ETH Zürich, 2013 / Zürich, Switzerland
  • UNIL, 2010/ Lausanne, Switzerland
  • University Münster, 2009 / Münster, Germany
  • VU University Amsterdam, 2008 / Amsterdam, The Netherlands
  • PGP, UiO, 2005 / Oslo, Norway


since 10/2016

Introduction to quantitative Geology with Matlab, MSc.

Thermodynamik und Kinetik von geologischen Prozessen (Thermodynamics and kinetics of geological processes), MSc.

since 04/2017

Polarisationsmikroskopie (Optical microscopy), BSc.

since 04/2018

Introduction to modelling physical and chemical processes in petrology, MSc

since 04/2019

Fluid-Solid Interaction, MSc.


10/2017- 04/2018

Einführung in die Mineralogie/Kristallographie (Introduction to Mineralogy/Crystallography), BSc.


Excursion: UHP metamorphism of Western Norway, MSc.


Excursion, high grade gneiss terrain West Norway, MSc.


Metamorphic petrology in the Alps, BSc.


Thermodynamics and Mass Transport, BSc.

Petrology II & III

Introduction to Geology for Engineers

Current research interests

My current research is focused on studying theoretical aspects, microstructures, geochemistry, and thermodynamics of reaction and deformation between minerals. I have developed a set of computer codes to couple physical processes with thermodynamics of geologically relevant minerals.

Current Grants

SFB CRC 1114 „Scaling Cascades in Complex Systems”, PI: Prof. Dr. T. John and Prof. Dr. M. Thomas., Doctoral student, Konstantin Huber

Field Experience


Erro-Tobbio, Italy / 5 days

Svartberget, Kraakeneset, WGR, West-Norway/ 5 days


Post-conference excursion, WGR, Norway (co-leader/organizer)/ 2 days


MSc excursion West Norway (Excursion leader and organizer)/ 10 days


Bud-Tornes, Møre og Romsdal, WGR Norway / 8 days


Møre og Romsdal and Nordøyene, WGR Norway / 7 days


WGR, West Norway, MSc excursion (leader/organizer) / 10 days

Zermatt, Täsch, Swiss Alps (fieldwork assistant) / 7 days

WGR, West Norway / 7 days


Alps / 3 days


Møre og Romsdal and Nordøyene, WGR Norway / 5 days


Sogndal, Norway / 9 days

Transect Oslo- West Norway/Sweden / 8 days


Transect Caledonides, Östersund-Trondheim-Lepsøy, Norway (co-leader) /10 days


Svartberget-Hustad, WGR, W-Norway / 21 days

Oslo-Solund-Leirvik-Sandane-Åheim-Bud Traverse (co-leader) / 7 days


Holsnøy Bergen Arcs, Norway / 1 day

Svartberget, Møre og Romsdal area, WGR, W-Norway / 31 days

Drøsdal, Kråkeneset, Måløy, Fiskå and Flatraket, and Bud, Norway / 7 days


Hohe Tauern, Austria / 3 days

Corsica, France / 5 days


Bud-Tornes, W-Norway / 31 days


Bud-Tornes, W-Norway / 31 days

Scotish Caledonides, British Tertiary Igneous Province, United Kingdom / 14 days 

Mines in Poland (e.g. Lubin/ Katowice/ Belchatow etc) / 14 days


Limburg, The Netherlands / 2 days

Serrata fault, Betic Cordilleras, SE Spain / 31 days

Swiss Alps Transect / 14 days


Auvergne, France / 7 days

Mosel Area, Germany / 7 days

SE Spain, Sorbas, Nijar, Bronchales, Macizo del Tremedal / 40 days


Fuente Alamo, Jumilla, SE Spain / 31 days

Ardennes, Belgium / 10 days

Brabant, The Netherlands / 10 days


Limburg, Eiffel, Sauerland, The Netherlands/Germany / 7 days

Publications (peer reviewed):

33. Ghazanfari, M. R., Santhosh, A., Vrijmoed, J. C., Siemensmeyer, K., Peters, B., Dehnen, S., Jerabek, P., & Thiele, G. (2022). Large-scale synthesis of mixed valence K₃[Fe₂S₄] with high dielectric and ferrimagnetic characteristics. RSC Advances, 12(47), 30514-30521. https://doi.org/10.1039/d2ra05200h
32. Craiu, A., Ferrand, T. P., Manea, E. F., Vrijmoed, J. C., & Mărmureanu, A. (2022). A switch from horizontal compression to vertical extension in the Vrancea slab explained by the volume reduction of serpentine dehydration. Scientific Reports, 12(1). https://doi.org/10.1038/s41598-022-26260-5
31. Ghazanfari, M. R., Vittadello, L., Al-Sabbagh, D., Santhosh, A., Frankcom, C., Fuß, F., von Randow, C. A., Siemensmeyer, K., Vrijmoed, J. C., Emmerling, F., Jerabek, P., Imlau, M., Thiele, G. (2022). Remarkable Infrared Nonlinear Optical, Dielectric, and Strong Diamagnetic Characteristics of Semiconducting K₃[BiS₃]. The Journal of Physical Chemistry Letters 13 (30), S. 6987–6993. https://doi.org/10.1021/acs.jpclett.2c01689
30. Huber, K., Vrijmoed, J.C., John, T. (2022): Formation of Olivine Veins by Reactive Fluid Flow in a Dehydrating Serpentinite. Geochemistry, Geophysics, Geosystems, 23, e2021GC010267. https://doi.org/10.1029/2021GC010267
 29. Ghazanfari, M.R., Santhosh, A., Siemensmeyer, K., Fuß, F., Staab, L., Vrijmoed, J.C., Peters, B., Liesegang, M., Dehnen, S., Oeckler, O., Jerabek, P., & Thiele, G. (2022): Large Exchange Bias, High Dielectric Constant, and Outstanding Ionic Conductivity in a Single-Phase Spin Glass. Advanced Electronic Materials, 2200483. https://doi.org/10.1002/aelm.202200483

Zertani, S., John, T., Brachmann, C., Vrijmoed, J.C., Plümper, O. (2022): Reactive fluid flow guided by grain-scale equilibrium reactions during eclogitization of dry crustal rocks. Contrib Mineral Petrol 177, 61. https://doi.org/10.1007/s00410-022-01928-3

27. Vrijmoed, J. C., & Podladchikov, Y. Y. (2022): Thermolab: A thermodynamics laboratory for nonlinear transport processes in open systems. Geochemistry, Geophysics, Geosystems, 23, e2021GC010303. https://doi.org/10.1029/2021GC010303 

Schwarzenbach, E. M., Vrijmoed, J.C., Engelmann, J.M. , Liesegang, M., Wiechert, U., Rohne, R., & Plümper, O., (2021): Sulfide dissolution and awaruite formation in continental serpentinization environments and its implications to supporting life. Journal of Geophysical Research: Solid Earth, e2021JB021758. https://doi.org/10.1029/2021JB021758


Zertani, S., Vrijmoed, J. C., Tilmann, F., John, T., Andersen, T. B., & Labrousse, L. (2020): P Wave Anisotropy Caused by Partial Eclogitization of Descending Crust Demonstrated by Modeling Effective Petrophysical Properties. Geochemistry, Geophysics, Geosystems https://doi.org/10.1029/2019GC008906


Beinlich, A., John, T., Vrijmoed, J., Tominaga, M., Magna T., Podladchikov, Y., (2020): Instantaneous rock transformations in the deep crust driven by reactive fluid flow, Nature Geoscience https://doi.org/10.1038/s41561-020-0554-9


Park, K., Schade, U., Vrijmoed, J. C., Reinhold, S., Milke, R. (2020): Redox-thermal behavior of archaeological ceramics from the North Caucasus (Russia, Bronze/Iron Age). Journal of the European Ceramic Society, 40, Pages 2207-2221, https://doi.org/10.1016/j.jeurceramsoc.2020.01.030


Cutts, J. A., Smit, M. A., Vrijmoed, J. C., (2020) Evidence for non-lithostatic pressure in subducted continental crust. Contributions to Mineralogy and Petrology 175, Pages 15, https://doi.org/10.1007/s00410-019-1633-z


Zhong, X., Vrijmoed J.C., Moulas, E., Tajcmanova, L. (2017) A coupled model for intragranular deformation and chemical diffusion, Earth and Planetary Science Letters 474, p. 387-396. doi: 10.1016/j.epsl.2017.07.005


Plümper, O., John, T., Podladchikov,  Y. Y. , Vrijmoed, J. C. & Scambelluri, M. (2017). Fluid escape from subduction zones controlled by channel-forming reactive porosity. Nature Geocience, Published online, doi:10.1038/ngeo2865


Teutsong, T., Bontognali, T. R. R., Ndjigui, P., Vrijmoed, J.C., Teagle, D., Vance, D. (2017) Petrography and geochemistry of the Mesoarchean Bikoula banded iron formations in the Ntem complex (Congo craton), Southern Cameroon: Implications for their origin. Ore Geology Reviews 80, pp. 267-288.


Zhong, X., Vrijmoed J. C., Tajčmanová L. (2016) Effect of grain–scale pressure variations on garnet growth: A numerical approach. Journal of Metamorphic Geology, n/a-n/a.


Zhong, X., Vrijmoed J. C., Tajčmanová L., Moulas, E. (2015) On coupling viscous relaxation and chemical diffusion under grain scale pressure variation. Geotectonic Research, 97. P 106-107.


Vrijmoed, J. C., Podladchikov, Y. Y., Malvoisin, B. (2015) Next generation reactive transport models. Geotectonic Research, 97, p. 98-99.


Malvoisin, B., Podladchikov, Y. Y. and Vrijmoed, J. C. (2015), Coupling changes in densities and porosity to fluid pressure variations in reactive porous fluid flow: Local thermodynamic equilibrium. Geochem. Geophy. Geosy. 16(12), pp. 4362-4387.


Vrijmoed, J.C., Podladchikov, Y. Y., (2015). Thermodynamic equilibrium at heterogeneous pressure. Contributions to Mineralogy and Petrology, 170, no. 1, pp. 1-27.


Moulas E., Tajčmanová L., Vrijmoed J. C., Podladchikov, Y. Y. (2015). Mechanically- versus diffusion-controlled metamorphic microstructure: An example from Rhodope Metamorphic Complex (Greece). Journal of Metamorphic Geology, 33, pp. 849-858.


Schenker, F. L., Schmalholz, S. M., Moulas, E., Pleuger, J., Baumgartner, L. P., Podladchikov, Y. Y., Müntener, O., Vrijmoed, J. C., Buchs, N. (2015). Current challenges for explaining (ultra)high-pressure tectonism in the Central and Western Penninic Alps. Journal of Metamorphic Geology, 33-pp. 869-886.


Tajčmanová L., Vrijmoed J. C., Moulas E. (2015). Grain-scale Pressure Variations in Metamorphic Rocks: Implications for the Interpretation of Petrographic Observations. Lithos, 216-217, pp 338–351.


Semprich, J. and Vrijmoed, J. C. (2015). Effect of small-scale heterogeneities on interpretation of crustal compositions exemplified by a layered anorthosite. Lithos, 216-217, pp 298-314.


Ganzhorn, A.C., Labrousse, L., Prouteau, G., Leroy, C., Vrijmoed, J.C., Andersen, T.B., Arbaret, L., (2014). Structural, petrological and chemical analysis of syn-kinematic migmatites: insights from the Western Gneiss Region, Norway. Journal of Metamorphic Geology, 32, pp. 647-673.


Tajčmanová L., Podladchikov Y. Y.,Powell R., Moulas E., Vrijmoed J. C. and Connolly J. A. D. (2014). Grain scale pressure variations and chemical equilibrium in high-grade metamorphic rocks. Journal of Metamorphic Geology, 32, pp. 195-207.


Vrijmoed, J.C., Austrheim, H., John, T., Hin, R., Corfu, F. and Davies, G.R. (2013). Metasomatism in the ultra-high pressure Svartberget garnet-peridotite (Western Gneiss Region, Norway): Implications for the transport of crust-derived fluids within the mantle. Journal of Petrology, 54, no. 9, pp. 1815-1848.


Vrijmoed, J. C. and Hacker, B. R. (2014). Determining PT paths from garnet zoning using a brute-force computational method. Contributions to Mineralogy and Petrology, 167, no. 4, pp. 1-13.


Cottle, J. M., Kylander-Clark, A. and Vrijmoed, J. C., 2012, U-Th/Pb Geochronology of Detrital zircon and monazite by Single Shot Laser Ablation Inductively Coupled Plasma Mass Spectrometry (SS-LA-ICPMS). Chemical Geology, 332-333, pp. 136-147.



Vrijmoed, J. C., Podladchikov, Y. Y. and Andersen, T. B., and Hartz, E. H., 2009. An alternative model for ultra-high pressure in the Svartberget Fe-Ti garnet-peridotite, Western Gneiss Region, Norway. (2009) European Journal of Mineralogy, 21, no. 6, pp. 1119-1133.


Andersen, T. B., Mair, K., Austrheim, H., Podladchikov, Y. Y., Vrijmoed, J. C., 2008, Stress release in exhumed intermediate and deep earthquakes determined from ultramafic pseudotachylyte, Geology, 36, p. 995-998.


Vrijmoed, J. C., Smith, D. C. and Van Roermund, H. L. M., 2008. Raman Confirmation of Microdiamond in the Svartberget Fe-Ti type garnet peridotite, Western Gneiss Region, Western Norway. Terra Nova, 20, p. 295-301.


Vrijmoed, J. C., Van Roermund, H. L. M. and Davies, G. R., 2006. Evidence for diamond-grade ultra-high pressure metamorphism and fluid interaction in the Svartberget Fe-Ti garnet peridotite-websterite body, Western Gneiss Region, Norway. Mineralogy and Petrology, 88, p. 381-405.