• Large Igneous Provinces
• Melt inclusion research
• Geothermobarometry in magmatic systems
• Mafic layered intrusions
• Magmatic ore deposits

• SPP-SAMPLE: Composition and Melting Conditions of Primary Mantle Magmas at the Volcanic Rifted Margin of Southern Africa
• Magma chamber processes in the Skaergaard and Bushveld intrusions
• Icelandic magmatism studied by melt inclusions

since 2009 Post doctoral researcher at GFZ German Research Center for Geosciences
2007-2009 Post doctoral research fellow at the Nordic Volcanological Center, University of Iceland, Iceland

2007      PhD in Petrology, University of Aarhus, Denmark
2004      MSc in Petrology, University of Aarhus, Denmark
2001      BSc in Geology, University of Copenhagen, Denmark

Note: Publications before 2011 use my former surname Jakobsen.

• Keiding, J.K. and Sigmarsson O. (2012): Geothermobarometry of the 2010 Eyjafjallajökull eruption - new constraints on Icelandic magma plumbing systems. Journal of Geophysical Research 117, B00C09. DOI: 10.1029/2011JB008829
• Keiding, J.K., Trumbull R.B., Veksler I.V. Jerram D.A. (2012): On the significance of ultra-magnesian olivines in basaltic rocks. Geology 39 (12) 1095-1098. DOI: 10.1130/g32214.1
• Jakobsen, J.K., Veksler, I.V., Tegner, C. and Brooks C.K. (2011): Crystallization of the Skaergaard intrusion from an emulsion of immiscible iron- and silica-rich liquids: Evidence from melt inclusions in plagioclase. Journal of Petrology 52 (2) 345-373. DOI: 10.1093/petrology/egq083
• Jakobsen, J.K., Tegner, C. Brooks, C.K., Kent, A.J.K. , Lesher, C.E., Nielsen, T.F.D. and Wiedenbeck, M. (2009): Parental magma of the Skaergaard intrusion: constraints from melt inclusions in primitive troctolite autoliths and FG-1 dykes Contributions to Mineralogy and Petrology 159 (1) 61-79. DOI: 10.1007/s00410-009-0416-3
• Jakobsen, J.K., Veksler, I.V., Tegner, C. and Brooks C.K. (2005): Immiscible iron- and silica-rich melts in basalt petrogenesis documented in the Skaergaard intrusion. Geology 33 (11), 885-888. DOI: 10.1130/G21724.1