• Research Areas

    • fractionation effects of Ca-Isotopes in marine sediments
    • Ca isotope systematics of terrestrial and extraterrestrial material
    • Isotope systematic of (fossil) biogenic apatite and other biological tissues
  • CV


    PhD Student at the institute of mineralogy, University Münster
    Master studies of Geoscience at the University of Cologne
    Bachelor studies of Geoscience at the University of Cologne


    Student position in the "Geochemie/Kosmochemie" of Prof. Dr. Carsten Münker, University of Bonn/Cologne
  • Publications

    • Magna T, Gussone N, Wittke A, Rapprich V, Upadhyay D. (). Calcium isotope systematics in carbonatites - a case study from the Sevattur and Samalpatti carbonatite complexes, south India. Chemical Geology, 452. [submitted / under review]

    • Herwartz D., Münker C., Tütken T., Hoffmann J., Wittke A., Barbier B. (). Lu-Hf isotope systematics of fossil biogenic apatite and their effects on geochronology. Geochimica et Cosmochimica Acta, 101(null), 328–343. doi: 10.1016/j.gca.2012.09.049.