2001 Mafic Eifel Magmatism
2003 Time Scales of Xenolith Entrainment
2005 Blaue Kuppe Contact Metamorphism
2007 Geochemistry across the Permian Unconformity
2008 Chalcophile Element Mobilisation in Laacher See Phonolitie Magma
2009 Provenance of Lithics in Paleozoic Sediments (Harz Mountains)
2011 / 2012 Mineralogy and Chemistry of Alteration Zones - Central Anden Volcanic Zone ( S. Peru)