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Dr. Matthias Heldt (moved to BGR)
mheldt@uni-bremen.de
Tel +49 421 218 65254
CV
2003 Diplom University of Bremen
"Cyclic distribution pattern of calcareous dinoflagellate cysts from the Aptian / Albian boundary interval near Hannover (Vöhrum)", Supervised by Prof. H. Willems and Dr. Jens Lehmann
Since 2005 PhD student
2008 PhD University of Bremen
Projects
2005 - 2008 Lower Cretaceous north African carbonate platforms (Tunisia/Egypt) and global climate change, Heldt, Bachmann, Lehmann, Stein more...
Literature
Heldt, M., Bachmann, M., Lehmann, J., Thielemann, J., Kuss, J., (subm.): Influence of the Aptian Oceanic Anoxic Event 1a on carbonate platforms: A case study from the Levant platform, northern Sinai (Egypt). Terra Nova.
Heldt, M., Lehmann, J., Bachmann, M., Negra, H., Kuss, J. (in press.): Increased terrigenous influx but no drowning: palaeoenvironmental evolution of the Tunisian carbonate platform margin during the Late Aptian, Sedimentology PDF
Lehmann, J., Heldt, M., Bachmann, M., Negra, M.E.H (2009): Aptian (Lower Cretaceous biostratigraphy and cephalopods from north central Tunisia, Cretaceous Research 30: 895-910 PDF
Heldt, M. (2008): Palaeoenvironmental evolution of the Tunisian carbonate platform margin: Response to global oceanographic and climatic changes (Barremian-Aptian). Ph.D. thesis University of Bremen. http://nbn-resolving.de/urn:nbn:de:gbv:46-diss000112878
Heldt, M., Bachmann, M., Lehmann, J. (2008): Microfacies, biostratigraphy, and geochemistry of the hemipelagic Barremian-Aptian in north-central Tunisia: Influence of the OAE 1a on the southern Tethys margin. Palaeogeography, Palaeoclimatology, Palaeoecology, 261: 246-260. PDF