Isotope Geology and Petrology

Dr. Maren Kahl No Photo Available


Institute of Earth Sciences

Ruprecht-Karls-Universität Heidelberg

Im Neuenheimer Feld 236

D-69120 Heidelberg

Room: 402
+49 6221 54-6021
+49 6221 54-4805 (secretariat)



Research interests and projects


  • Spatio-temporal evolution of crystal-mush horizons in the Icelandic crust - A case study of the northern segment of the Bárðarbunga volcanic system (DFG Projekt Ka 3532/2-1)
  • Magma mobilisation and transfer timescales in the Icelandic crust (Orkurannsóknasjóður Landsvirkjun NÝR-18 – 2018)
  • MagmaTag - Tracking magma through space and time in the Icelandic crust (Rannís postdoctoral fellowship grant 152726-051)
  • Using the chemical stratigraphy in magmatic crystals to track the evolutionary history of a dynamic magma plumbing system (DFG research stipend  Ka 3532/1-1)



Academic career and professional employment


Since 07/2019 Heidelberg University, Researcher (temporary contract)
2016-2019 University of Iceland, Rannís postdoctoral research fellow
2014-2016 Ludwig-Maximilians-Universität München, Researcher (temporary contract)
05-07/2014 The University of Leeds, Reserve instrument manager, electron micro-beam facility
2012-2014 The University of Leeds, DFG postdoctoral research fellow
2011-2012 Ruhr-Universität Bochum, Researcher (temporary contract)
2011 Ruhr-Universität Bochum, doctoral studies (Dr. rer. nat.)
2005 Heidelberg University, Diplom, Mineralogy



Stipendien / Auszeichnungen


2015 Rannís postdoctoral research fellowship
2012 DFG research stipend


Media outreach



Invited talks


  • 2022 - Seminar talk at Albert-Ludwigs-Universität Freiburg, Germany, December, 2022
  • 2022 - Keynote talk at Goldschmidt 2022, Hawaii, USA
  • 2022 - Seminar talk at Friedrich-Schiller-Universität Jena, Germany, July, 2022
  • 2021 - Seminar talk at Universität zu Köln, Germany, December, 2021
  • 2021 - Seminar talk at ‘A seminar series on diffusion modelling to determine timescales of processes (Diffusion Chronometry)', online event by Ruhr-Universität Bochum, Germany
  • 2019 - Keynote talk at GeoMünster 2019, Annual meeting of the DGGV and DMG, Münster, Germany, September, 2019
  • 2019 - Speaker at Goldschmidt 2019, Barcelona, Spain, August, 2019
  • 2019 - Seminar talk at Universität Heidelberg, Germany, January, 2019
  • 2018 - Lecturer at DMG (Deutsche Mineralogische Gesellschaft) Diffusion short course, Ruhr-Universität Bochum, Germany, October, 2018
  • 2017 - Seminar talk at Universität Göttingen, Germany, January, 2017
  • 2016 - Speaker at EGU (European Geosciences Union) General Assembly 2016, Vienna, Austria, April, 2016
  • 2016 - Seminar talk at Universität Erlangen, Germany, January, 2016
  • 2015 - Lecturer at DMG (Deutsche Mineralogische Gesellschaft) Diffusion short course, Ruhr-Universität Bochum, Germany, August, 2015
  • 2014 - Seminar talk at ETH Zurich, Switzerland, June, 2014
  • 2012 - Seminar talk at David A. Johnston Cascades Volcano Observatory – USGS, Vancouver WA, USA, June, 2012
  • 2012 - Speaker at DMG (Deutsche Mineralogische Gesellschaft) & MSA (Mineralogical Society of America) Diffusion short course, Ruhr-Universität Bochum, Germany, October, 2012
  • 2012 - Keynote talk at AGU (American Geophysical Union) Fall Meeting 2012, San Francisco CA, USA, December, 2012
  • 2008 - Speaker at AGU (American Geophysical Union) Fall Meeting 2008, San Francisco CA, USA, December, 2008
  • 2007 - Seminar talk at Istituto Nazionale di Geofisica e Vulcanologia – Sezione di Palermo, Italy, May, 2007






Kahl, M., Morgan, D.J., Thornber, C., Walshaw, R., Lynn, K.J., Trusdell, F.A. (2023). Dynamics of magma mixing and magma mobilisation beneath Mauna Loa – insights from the 1950 AD Southwest Rift Zone eruption. Bulletin of Volcanology, 85:75. 


Caracciolo, A., Bali, E., Halldórsson, S.A., Guðfinnsson, G.H., Kahl, M., Þórðardóttir, I., Pálmadóttir, G.L., Silvestri, V. (2023). Magma plumbing architectures and timescales of magmatic processes during historical magmatism on the Reykjanes Peninsula, Iceland. In revision with Earth and Planetary Science Letters, 621, 118378. 




Kahl, M., Mutch, E. J. F., Maclennan, J., Morgan, D. J., et al. (2022). Deep magma mobilization years before the 2021 CE Fagradalsfjall eruption, Iceland. Geology,


Couperthwaite, F. K., Morgan, D. J., Harvey, J. H., Kahl, M. (2022). Correlating tephra and related lava flow of the Hapaimamo eruption at Mauna Loa, Hawaii, with existing magma storage and transport models. Journal of Volcanology and Geothermal Research, 432, 107690,


Caracciolo, A., Halldórsson, S. A., Bali, E., Marshall, E. W., Guðfinnsson, G. H., Kahl, M., Hartley, M. E., Barnes, J. D., Jeon, H., Whitehouse, M. J. (2022). A continuously assimilating multi-level plumbing system: δ18O evidences from Iceland. Geology, 50, 7, 796-800,




Van der Meer, Q. H. A, Bali, E., Guðfinnsson, G. H., Kahl, M. & Rasmussen, M. B. (2021). Warm and slightly reduced mantle under the off-rift Snæfellsnes Volcanic Zone, Iceland. Journal of Petrology, 62, 12,


Kahl, M., Bali, E., Guðfinnsson, G. H., Neave, D. A., Ubide, T., Van Der Meer, Q. A. H., Matthews, S. (2021). Conditions and dynamics of magma storage in the Snæfellsnes volcanic zone (SNVZ), Western Iceland: insights from the Búðahraun and Berserkjahraun eruptions. Journal of Petrology, 62, 9, egab054,


Lloyd, G. E., Lee, A. L., Kahl, M. (2021). A practical method to determine the five-parameter orientation of intragranular boundaries in polycrystals. Tectonophysics, 814, 228955,


Caracciolo, A., Kahl, M., Bali, E., Guðfinnsson, G. H., Halldórsson, S. A. and Hartley, M. E. (2021). Timescales of crystal mush mobilization in the Bárðarbunga-Veiðivötn volcanic system based on olivine diffusion chronometry. Americal Mineralogist, 106, 1083-1096,




Caracciolo, A., Bali, E., Guðfinnsson, G. H., Kahl, M., Halldórsson, S. A., Hartley, M. E. and Gunnarsson, H. (2020). Temporal evolution of magma and crystal mush storage conditions in the Bárðarbunga-Veiðivötn volcanic system, Iceland. Lithos, 352–353, 105234,


Magee, R., Ubide, T. and Kahl, M. (2020). The Lead-up to Mount Etna’s Most Destructive Historic Eruption (1669). Cryptic Recharge Recorded in Clinopyroxene. Journal of Petrology, 61, 1,




Nikkola, P., Bali, E., Kahl, M., van der Meer, Q. H. A., Rämö, O. T., Guðfinnsson, G. H. and Thordarson, T. (2019). Mid-crustal storage and crystallization of Eyjafjallajökull ankaramites, South Iceland. Jökull, 69, p. 77-96.


Neave, D. A., Bali, E., Guðfinnsson, G. H., Halldórsson, S. A., Kahl, M., Schmidt, A.-S. and Holtz, F. (2019). Clinopyroxene–liquid equilibria and geothermobarometry in natural and experimental tholeiites: the 2014–2015 Holuhraun eruption, Iceland. Journal of Petrology, 60, 8,




Kahl, M., Viccaro, M., Ubide, T., Morgan, D. J. & Dingwell, D. B. (2017). A branched magma feeder system during the 1669 eruption of Mt. Etna: evidence from a time-integrated study of zoned olivine phenocryst populations. Journal of Petrology, 58, 3, 443-472,




Kahl, M., Chakraborty, S., Pompilio & Costa, F. (2015). Constraints on the nature and evolution of the magma plumbing system beneath Mt. Etna (1991-2008) from a combined thermodynamic and kinetic modelling of the compositional record of minerals. Journal of Petrology, 56, 10, 2025-2068.




Kahl, M., Chakraborty, S., Costa, F., Pompilio, M., Liuzzo, M. & Viccaro, M. (2013). Compositionally zoned crystals and real-time degassing data reveal changes in magma transfer dynamics during the 2006 summit eruptive episodes of Mt. Etna. Bulletin of Volcanology, 75, 692,




Kahl, M., Chakraborty, S., Costa, F. & Pompilio, M. (2011). Dynamic plumbing system beneath volcanoes revealed by kinetic modelling, and the connection to monitoring data: An example from Mt. Etna. Earth and Planetary Science Letters, 308, 11-22,


Seitenbearbeiter: E-Mail
Letzte Änderung: 2023-12-15
zum Seitenanfang/up