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Simone5

Simone A. Kasemann

      Professor, Isotope Geochemistry
      Universität Bremen

  • Honorary Fellow
  • Grant Institute of Earth Science
  • The University of Edinburgh
  • West Mains Road
  • Edinburgh EH9 3JW







Research Interest

Stable isotope (Li, B, Ca) studies in earth and ocean sciences: Transport and recycling processes at active continental margins, pH variation in ancient oceans, Neoproterozoic climate variation, origin and evolution of hydrothermal systems. Development of isotope techniques.


Education

  • 1999 Doctorate (Dr. rer. nat.), Technische Universitaet Berlin, Institut fuer Angewandte Geowissenschaften
  • 1996 Diploma (Msc) in Geology, Geoscience Faculty, Westfaelische Wilhelms-Universitaet Muenster, Germany

Professional Employment

  • Since 2009 Professor of Isotope Geochemistry, Fachbereich Geowissenschaften, Universität Bremen, Germany
  • 2009 Professor of Earth System Science, Dept. of Earth Sciences, Freie Universität Berlin, Germany
  • 2002-2009 University Research Fellow, Grant Institute of Earth Science, University of Edinburgh, UK
  • 2001-2002 Marie Curie Research Fellow, Department of Earth Sciences, University of Bristol, UK
  • 2000-2001 JRC Research Fellow, Institute for Reference Materials and Measurements, Joint Research Centre, European Commission, Belgium
  • 2000 Post-doc, GeoForschungsZentrum Potsdam, Germany
  • 1999 Post-doc, Technische Universitaet Berlin, Collaborative Research Centre 267, Germany
  • 1996-1998 Research associate, TU Berlin, Collaborative Research Centre SFB 267, Germany
  • 1993 Ingenieurbuero für Baustofftechnologie Materialpruefstelle
  • 1987 Institut für Metallforschung der Westfaelischen Wilhelms-Universitaet Muenster

Current Research Projects

  • Past records of ocean acidification - the Palaeogene hyperthermals (NERC funded)
  • High-resolution isotope investigation of palaeoatmospheric carbon dioxide levels: The Neoproterzoic climatic extremes as a test study (NERC funded)
  • The fate of subducted crust in the Earth's mantle: constraints from Li isotopes (NERC funded)
  • Lithium isotope characterisation of natural and synthetic microanalytical reference materials

Graduate Students

  • R. Jones (UoE): Landscape evolution, volcanism and sediment flux along the active Andean margin. (Co-supervisor)
  • G. Straathof (UoE): Low latitude glaciations in the Neoproterozoic. (Co-supervisor)
  • S. Appleby (UoE): Radiogenic and stable isotope studies of zircons and related minerals in granitoid rocks: the petrogenesis of the Caledonian Granites revisited. (Co-supervisor)
  • H. Wickens (UoB): Tracing recycled material in the upper mantle (Co-supervisor)

Research Awards

  • Standard Research Grant: Past records of ocean acidification - the Palaeogene hyperthermals. 2008-2010
  • Standard Research Grant: The fate of subducted crust in the Earth's mantle: constraints from Li isotopes. 2004-2009
  • New Investigator Award: High-resolution isotope investigation of palaeoatmospheric carbon dioxide levels: The Neoproterzoic climatic extremes as a test study. 2004-2008
  • Marie Curie Individual Fellowship: Boron isotope evolution of seawater. 2001-2002
  • Joint Research Center Fellowship, European Commision: Certification of calcium, lithium and chlorine in certified test samples of IMEP-17 using isotope dilution and thermal ionisation mass spectrometry. 2000-2001

Recent Publications

  • Kasemann, S.A., Prave, A.R., Fallick, A.E., Hawkesworth, C.J. and Hoffmann, K.H. (2010). Neoproterozoic ice ages, boron isotopes, and ocean acidification: implications for a snowball Earth. In press for Geology.
  • Dohmen, R., Kasemann, S.A., Coogan, L.A., and Chakraborty, S. (20010). Diffusion of Li in olivine: I. Experimental observations and a multi species diffusion model. Geochimica Cosmochimica Acta, doi:10.1016/j.gca.2009.10.016.
  • Darling, K.F., Thomas, E., Kasemann, S.A., Seears, H., Smart, C.W. and Wade, C.M., (2009). Evolution from benthos to plankton: surviving mass extinction by bridging the benthic/planktic divide. Proceedings of the National Academy of Sciences, doi:10.1073/pnas.0902827106.
  • Kasemann, S.A., Schmidt, D.N., Bijma, J., Foster, G.L. (2009). In situ boron isotope analysis in marine carbonates and its application for foraminifera and palaeo-pH. Chemical Geology, 260, 138-147.
  • Kasemann, S.A., Schmidt, D.N., Pearson, P.N. and Hawkesworth C.J. (2008). Biological and ecological insights into Ca isotopes in planktic foraminifers as a palaeotemperature proxy. Earth and Planetary Science Letters, 271, 292-302.
  • Schmidt, D.N., Elliott, T. and Kasemann, S.A. (2008). The influences of growth on planktic foraminifers as proxies for palaeostudies. In: R.H. James, W.E.N. Austin, L.J. Clarke and R.E.M. Rickaby (Editors), Biogeochemical Controls on Palaeoceanographic Proxies, Geological Society, London, Special Publications, 303, 73-85.
  • Klemme, S., Prowatke, S., Münker, C., Magee, C.W., Lahaye, Y., Zack, T., Kasemann, S.A., Cabato, J.A. and Kaeser, B. (2008). Synthesis and preliminary characterisation of new silicate, phosphate and titanite reference glasses. Geostandards and Geoanalytical Research, 32(1), 39-54.
  • Büttner, S.H. and Kasemann, S.A. (2007). Deformation-controlled cation diffusion in tourmaline: a microanalytical study on trace elements and boron isotopes. American Mineralogist, 92, 1862-1874.
  • Jeffcoate, A.B., Elliott, T., Kasemann, S.A., Ionov, D., Cooper, K. and Brooker, R. (2007). Lithium isotope fractionation in peridotites and mafic melts. Geochimica Cosmochica Acta, 71(1), 202-218.
  • Jochum, K.P. and 49 co-authors (2006). MPI-DING Reference glasses for in-situ microanalysis: New reference values for element concentrations and isotope ratios. Geochemistry Geophysics Geosystems, 7(2), Art. No. Q02008, doi:10.1029/2005GC001060.
  • Coogan, L.A., Kasemann, S.A. and Chakraborty, S. (2005). Rates of hydrothermal cooling of new oceanic upper crust derived from lithium-geospeedometry. Earth and Planetary Science Letters, 240, 415-424.
  • Kasemann, S.A., Hawkesworth, C.J., Prave, A.R., Fallick, A.E. and Pearson, P.N. (2005). Boron and calcium isotope composition in Neoproterozoic carbonate rocks from Namibia: evidence for extreme environmental change. Earth and Planetary Science Letters, 231(1-2), 73-86.
  • Kasemann, S.A., Jeffcoate, A.B. and Elliott, T. (2005). Lithium isotope composition of basalt glass reference material. Analytical Chemistry, 77, 5251-5257.
  • Kasemann, S.A., Erzinger, J., Meixner, A., Viramonte, J.G., Alonso, R.N. and Franz, G. (2004). Boron isotope composition of geothermal fluids and borate minerals from salar deposits (Central Andes/NW Argentina). Journal of South American Earth Sciences, 16, 685-697.
  • Schmitt A.K., Kasemann S., Meixner A. and Rhede D. (2002): Boron isotopic composition of Central Andean ignimbrites: implications for crustal boron cycles in active continental margin, Chemical Geology, 183, 333-347.
  • Kasemann S., Meixner A., Rocholl A., Vennemann T., Rosner M., Schmitt A. and Wiedenbeck M. (2001): Boron and Oxygen Isotope Composition of Reference Materials NIST SRMs 610/612, JB-2 and JR-2, Geostandard Newsletter, 25 (2-3), 405-416.
  • Lucassen F., Becchio R., Harmon R., Kasemann S., Franz G., Trumbull R., Romer R.L. and Dulski P. (2001): Composition and density model of the continental crust in an active continental margin; the Central Andes between 18° and 27°S, Tectonophysics, 341, 195-223.
  • Becchio R., Lucassen F., Kasemann S., Franz G. and Viramonte J.G. (2001): Geoquímica y sistemática isotópica del basamento metamorfico, Paleozoico inferior, Noroeste de Argentina y norte de chile (21°-27°S), Acta Geologica Hispanica, 34, 273-299.
  • Kasemann S., Erzinger J. and Franz G. (2000): Boron recycling in the continental crust of the Central Andes from Palaeozoic to Mesozoic, NW Argentina, Contribution to Mineralogy and Petrology, Vol. 140: 328-343.