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Dr. Lennart A. Fischer

Assistent für Geochemie

Institut für Geo- und Umweltwissenschaften
Geochemie
Albert-Ludwigs-Universität Freiburg
Albertstraße 23b
79104 Freiburg
Phone: +49 (0)761 203 6423
E-Mail: lennart.fischer@minpet.uni-freiburg.de

Identifiers: Google Scholar

Education

  • 2018 Ph.D. Mineralogy, University of Hannover, Germany. Thesis: The Upper Zone of the Bushveld Complex, South Africa: Parental Magma and Crystallization Processes. Supervisors: Prof. Dr. F. Holtz, Dr. B. Charlier, Prof. Dr. O. Namur
  • 2013 M.Sc. Mineralogy-Geochemistry, University of Hannover, Germany. Thesis: Experimental study on hydrous partial melting of hydrothermally altered dolerite: Generation of felsic melts within fast-spreading oceanic crust. Supervisors: Prof. Dr. J. Koepke, Dr. L. France
  • 2011 B.Sc. Geosciences, University of Hannover, Germany. Thesis: Experimental hydrous partial melting of gabbro: A new approach to enlarge melt pools. Supervisors: Prof. Dr. J. Koepke, Prof. Dr. J. Brophy

Employment

  • Since 2018: Assistant Professor at the Institute of Earth and Environmental Sciences, University of Freiburg, Germany
  • 2015-2016: University Associate at the ARC Centre of Excellence in Ore Deposits (CODES), University of Tasmania, Australia
  • 2014-2018: Research Assistant at the Institute of Mineralogy, University of Hannover, Germany
  • 2009-2013: Student Assistant at the Institute of Mineralogy, University of Hannover, Germany

Awards and grants

  • 2017: SEG Best Student Presentation Award at the SEG Meeting, Beijing, China
  • 2015: DAAD one-year research grant at the University of Tasmania, Australia
  • 2013: German Mineralogical Society (DMG) travel grant to the AGU Fall Meeting, San Francisco, USA

Teaching and student supervision

     Opportunities for B.Sc. and M.Sc. theses: Interested students should contact me per email

Research interests

  • Experimental Petrology
  • Magmatic Ore Deposits
  • Petrology of MOR Systems
  • Melt Inclusions
  • Crystal Chemistry

Publications

Link to Google Scholar profile

  • González-Garcia D.,Petrelli M., Behrens H., Vetere F., Fischer L.A., Morgavi D., Perugini D. (2018): Diffusive exchange of trace elements between alkaline melts: Implications for element fractionation and timescale estimations during magma mixing. Geochimica et Cosmochimica Acta, 233, 95-114. DOI
  • Yuan, Q., Namur, O., Fischer, L.A., Roberts, R.J., Lü, X., Charlier, B. (2017): Pulses of plagioclase-laden magmas and stratigraphic evolution in the Upper Zone of the Bushveld Complex, South Africa. Journal of Petrology, 58, 1619-1643. DOI
  • Rossi, S., Petrelli, M., Gonzalez, D., Morgavi, D., Fischer, L.A., Vetere, F., Perugini, D. (2017): Exponential decay of concentration variance during magma mixing: robustness of a volcanic chronometer and implications for the homogenization of chemical heterogeneities in magmatic systems. Lithos, 286, 396-407. DOI
  • Erdmann, M., France, L., Fischer, L.A., Deloule, E., Koepke, J. (2017): Partitioning of trace elements during anatectic processes occurring at MOR magma chamber margins. Chemical Geology, 456, 43-57. DOI
  • Burianek, M., Teck, M., Niekamp, C., Birkenstock, J., Spieß, I., Medenbach, O., Fischer, L.A., Wolff, P.E., Neumann, J., Fischer, R.X. (2016): Crystal growth, crystal structure, optical properties, and phase transition of BaCaBO3F. Crystal Growth & Design, 16, 4411-4420. DOI
  • Fischer, L.A., Erdmann, M., France, L., Wolff, P.E., Deloule, E., Zhang, C., Godard, M., Koepke, J. (2016): Trace element evidence for anatexis at oceanic magma chamber roofs and the role of partial melts for contamination of fresh MORB. Lithos, 260, 1-8. DOI
  • Fischer, L.A. and Yuan, Q. (2016): Fe-Ti-V-(P) Resources in the Upper Zone of the Bushveld Complex, South Africa. Papers and Proceedings of the Royal Society of Tasmania, 150. DOI
  • Fischer, L.A., Wang, M., Charlier, B., Namur, O., Roberts, R.J., Veksler, I.V., Cawthorn, R.G. Holtz, F. (2016): Immiscible iron-and silica-rich liquids in the Upper Zone of the Bushveld Complex. Earth and Planetary Science Letters, 443, 108-117. DOI
  • Erdmann, M., Fischer, L.A., France, L., Koepke, J. (2015): Anatexis at the roof of an oceanic magma chamber at IODP Site 1256 (equatorial Pacific): an experimental study. Contributions to Mineralogy and Petrology, 169, 4:1-28. DOI
  • Fischer R.X., Tikhonova V., Birkenstock J., Fischer L.A., Herrmann K., Mengel K., Schneider H. (2015): A new mineral from the Bellerberg, Eifel, Germany, intermediate between mullite and sillimanite. American Mineralogist, 100, 1493-1501. DOI
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