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Dr. Johannes C. Vrijmoed

Hans Vrijmoed

Arbeitsbereich Mineralogie-Petrologie

Akademischer Rat

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


seit 11/2019

Akademischer Rat an der Freien Universität Berlin, Germany

09/2016 - 11/2019

Wissenschaftlicher Mitarbeiter an der Freien Universität Berlin, Germany (bei Prof. T. John)

03/2014 – 08/2016

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

10/2011 – 02/2014

Premier Assistant an der UNIL, Switzerland (bei Prof. L. P. Baumgartner)

02/2010 - 10/2011

Assistant professional researcher an der UCSB, USA (CA) (bei Prof. B. R. Hacker)

02/2010 - 01/2011

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

10/2009 - 01/2010

Researcher am PGP, UiO, Norway (bei Dr. N. Simon, PETROBAR project)

04/2009 - 09/2009

Researcher am PGP, UiO, Norway (bei Dr. H. Svensen)

11/2005 - 12/2008

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


11/2005 - 04/2009

Doktorand am 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

Masterstudent an der 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

Bachelorstudent in "Structural Geology" an der 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

Professionelle Aktivitäten

Reviewer für Fachzeitschriften:

  • 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

Austeller bei:

  • 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

Vorträge bei Konferenzen

  • 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

Vortäge in Seminaren

  • 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


seit 10/2016

Introduction to quantitative Geology with Matlab, MSc.

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

seit 04/2017

Polarisationsmikroskopie (Optical microscopy), BSc.

seit 04/2018

Introduction to modelling physical and chemical processes in petrology, MSc

seit 04/2019

Fluid-Solid Interaction, MSc.

Ehemalige Lehre

10/2017- 04/2018

Einführung in die Mineralogie/Kristallographie, BSc.


Exkursion: UHP metamorphism of Western Norway, MSc.


Exkursion, 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

Research highlights [1]:


  • Combining advanced thermodynamic modelling of phase equilibria in rocks to coupled fluid-flow reaction modelling [15, 16].
  • Development of new concepts in thermodynamic modelling of minerals and theoretical calculations of phase equilibria [8,11,14,18]
  • Coupling diffusion to mechanics [17].
  • Integrating regional scale mapping with detailed outcrop and thin section scale mapping [1, 4, 7, 10].
  • Trace element (LA-ICP-MS) [5] and isotope geochemistry (Rb-Sr) and radiometric dating (Sm-Nd, U-Pb) [1, 7], and Raman spectroscopy [2].


[1] numbers in brackets refer to publications.

Publications (peer reviewed):


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


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


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


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


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


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.