• Industry research project: Mineralogical and geochemical investigations on selected samples from the Felsithorizont / deposit district Freiberg (06/2009-02/2013); cooperation project with GLU Freiberg; project leader: Th. Seifert; main processor: T. Jaroka
• Industry research project: Rare Earth study (05-12/2010), cooperation project with Bosch AG; project leader: J. Gutzmer, T. Seifert
• Industry research project: Galium availability study (04-09/2010); cooperation project with Bosch AG; project leader: J. Gutzmer, T. Seifert
• Research project: "Geology, mineralogy and geochemistry of hydrothermal Au-polymetallic vein-type mineralisation in the French Gulch and Mission mining districts, California, USA" (03/2007 - 02/2009); project leader: Th. Seifert; main processor: L. Geißler
• Research project: "Petrogenesis of the Eibenstock and Kirchberg granite complexes with particular reference to mafic dikes" (06/2007 - 12/2007); in cooperation with Saxon State Office for Environment, Agriculture and Geology, Dresden (AZ: 52-8802.3526/1145/07); project leader: Th. Seifert
• Research project: "The genesis and tectonic setting of iron oxide associated mineralisation in Germany and South Australia" (06/2004 - 07/2007); project LX0455363 of Australian Research Council with support of DFG; in cooperation with School of Earth and Environmental Science, University of Adelaide/Australia and BHP Billiton/Australia; project leader: A. Schmidt-Mumm, Th. Seifert
• Research project: "Genesis of the Cu-Au-Ag-Co-Mo deposit Luo Dong, LaLa district, Sichuan, P.R. China" (01/2005 - 12/2006); cooperation with the Institute of Multipurpose Utilisation of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu and Ministry of Technology of Sichuan and Liang Shan Mining Limited Company
• Industry research project: "Mineralogica and geochemical study of the polymetallic deposit Yenipazar (Turkey)" (05/2006 - 11/2006); in cooperation with Aldridge Minerals Inc., Heidelberg, Germany
• Research project: Dolomite distribution in the Mügeln Perm-Triassic depression (11/2005 - 10/2006); in cooperation with Saxon State Office for Environment, Agriculture and Geology, Dresden
• Research project: "Pb/Pb-Altersbestimmung an Zirkonen aus mafischen und sauren Ganggesteinen des Erzgebirges" (09/1999 - 06/2000); with M. Tichomirowa
• DFG research project PE 405/8: "Untersuchungen zur prähistorischen Buntmetallgewinnung im Erzgebirge mit geochemischen Methoden" (1999 - 2001); with E. Pernicka and E. Niederschlag
• Research project: Platinum metal guidance of Ni-Cu sulfide mineralisations in the Lausitz Anticlinal Zone (1998 - 2000); cooperation project with Federal Institute for Geosciences and Natural Resources, Hannover, Germany; project leader: S. Uhlig, Th. Seifert; main processor: A. Kindermann, F. Fiedler
• Research project: "Hydrothermal silver-lead-zinc-veins in metamorphic core complexes in British Columbia/Canada, Idaho/USA, Saxony/Germany, and Bohemia/Czech Republic" (1997 - 1999); NATO International Scientific Exchange Programmes - Collaborative Research Grant; in cooperation with G. Beaudoin, D. Leach, A. Hofstra, K. Zak
• BMBF-collaborative projects HYFIFLUX I and HYFIFLUX II: "Evolution of hydrothermal fluids, material balancing and special biological activities in the North Fiji Basin"; cooperation with FU Berlin (project coordinator: P. Halbach), University Hamburg, University Kiel, University Greifswald and Research Institute Senckenberg; leader and main processor of the subproject "Petrology and alteration of submarine basalts in the North Fiji Basin" (project Nr. 03G0099B, 1995 - 1998) and (03G0134D, 1998 - 2000)
• Major procurement project of the Bergbau-Berufsgenossenschaft Bochum and Gera: "Geologische und lagerstättenwirtschaftliche Ausgangsdaten zur Einschätzung gesundheitlicher Belastungen von Bergleuten im Uran-Bergbau der DDR für den Zeitraum 1945-1965" (1994 - 1998); in cooperation with Wismut GmbH Chemnitz and Zinnerz Ehrenfriedersdorf; leader of the subproject "Geology, mineralogy, mining and resource potential of U deposits in the GDR in the time frame 1945 - 1965
• DFG research project BA 1186/1-1 (1991 - 1993): "Complex investigations of the post-kinematic, late-Variscan magmatism and mineralisation in the central Erzgebirge and Sub-Erzgebirge Basin - basics for a regional metallogenetic comparison of a basin and anticline area"; leader of the project: L. Baumann; main processor. Th: Seifert
• Research award project of VEB Geologische Forschung und Erkundung Freiberg (GFE Freiberg): "Montangeologisch-metallogenetische Explorationstudie zur Höffigkeit von Zinn-Wolfram-, Ag-reichen Polymetallsulfid-, Uran, Bi-Co-Ni-Ag- und Fluorit/Baryt-Vorkommen im Ostteil des Mittelerzgebirgischen Antiklinalbereiches" (1987 - 1992); cooperation project GFE Freiberg and Bergakademie Freiberg; leader of the project: L. Baumann, R. Kühne (GFE); main processor. Th: Seifert
• Research project: "Beitrag zur Typisierung von Sn-Lagerstätten im Erzgebirge - Montangeologische Typisierung" (1984-1985); cooperation with VEB Kombinat "Albert Funk" Freiberg (Kombinatsleitung), VEB Zinnerzbetrieb Altenberg (W. Schilka), VEB GFE Freiberg (R. Kühne and team); leader of the project: M. Wolf; main processor. Th: Seifert
• Industry research project: "Beziehungen zwischen Klüftung und Mineralisation im Ost-Greisenkörper der Zinnerzgrube Ehrenfriedersdorf" (1984); cooperation with VEB Zinnerzbetrieb Ehrenfriedersdorf (Zinn EhD); leader of the project: L. Baumann, M. Mann (Zinn EhD); main processor. Th: Seifert
• Industry research project: "Strukturelle und mineralogische Bearbeitung von ausgewählten Bereichen der zentralen Gangzone der Fluorit-Baryt-Lagerstätte Ilmenau-Gehren" (1983); cooperation with VEB Fluß- und Schwerspatbetrieb Ilmenau-Gehren (Flußspat Gehren); leader of the project: O. Leeder, J. Franzke (Flußspat Gehren); main processor. Th: Seifert

Marine Research (BMBF projects, 1995 - 2002)

• POS-291 (The northern boundary of the Iceland plume: Petrology and volcanology of the Tjörnes Fracture Zone) Kolbensey/Iceland, RV Poseidon, June 25 - July 17, 2002
• SO-158 (MEGAPRINT), Easter Island - Galapagos Islands, Central and Eastern Pacific, RV Sonne, July 15 - August 20, 2001
• SO-155 (HYDROARC), Bransfield Back-Arc, Antarctica, RV Sonne, February 09 - March 28, 2001
• SO-134 (HYFIFLUX II), North Fiji Basin, SW Pacific, RV Sonne, August 11 - September 8, 1998
• SO-133 (Edison II), New-Ireland Fore-Arc, Papua New Guinea, RV Sonne, July 10 - August 10, 1998
• SO-109 (Hydrotrace), Axial Seamount, Juan de Fuca Ridge, RV Sonne/Ropos, June 26 - July 8, 1996
• SO-99 (HYFIFLUX I), North Fiji Basin, SW Pacific, RV Sonne, January 7 - January 28, 1995

• 05/2013: Field excursion "Geothermal areas of the Yellowstone hot spot, Wyoming, Montana, USA"
• 05/2013: Field excursion Cu-Mo porphyry- and Cu-Ag-Pb-Zn(-Au) vein-type district Butte, Montana, USA
• 08+09/2012: Field work on the genesis and exploration concepts of cesium-enriched LCT pegmatites in western Australia (second field campaign), with T. Dittrich and partly S. Hagemann (in cooperation with Chemetall / Rockwood Lithium)
• 04/2012: Field excursion Sn-Cu deposit San Rafael, Peru (with M. Finke, OMSA, La Paz, Bolivia)
• 03/2012: Field work on the geology, mineralogy and genesis of Cu-Mo porphyries and associated tourmaline breccia in the Rio Blanco-Los Bronches district (Chile) with M. Hohf and L. Ratschbacher (in cooperation with CODELCO / Chile)
• 08+09/2011: Field work on the genesis and exploration concepts of cesium-enriched LCT pegmatites in western Australia (first field campaign), with T. Dittrich (in cooperation with Chemetall / Rockwood Lithium)
• 10/2009 Excursion to the super-large Ag deposit Cerro Rico de Potosi, Bolivia; visiting of the ore deposit collections of the universities of Oruro and Potosi, Bolivia; visiting of the OMSA tin smelter in Oruro; with M. Finke / OMSA Bolivia)
• 03+08/2007 Field work: "French Gulch and Mission mining districts, California, USA"
• 09+10/2011: Conference with excursion: "Geological Processes in the Lithospheric Plates Subduction, Collision, and Slide Environments / Russian Far East", 20-26 September 2011, Far East Geological Institute in Vladivostok, Far Eastern Branch Russian Academy of Sciences, Russia
• 10/2010: Conference and excursion "Lamprophyres 2010", XVII Meeting of the Petrology Group of the Mineralogical Society of Poland, Sudetic Mt., Klodzko District, Poland
• 02/2010 Expedition to the Oldoinyo Lengai carbonatite volcano and associated carbonatitic/ultramafic volcanic phenomens, Tanzania
• 08/2009 Fieldwork: "Mineralization and lamprophyres of ore districts in the Altai Mountains, Russia", joint project with the Institute of Geology and Mineralogy Novosibirsk, Russian Academy of Sciences, with G. Pavlova
• 03/2009 Field work: "Mineralogy, geochemistry and S-isotopes of the Sb mineralisation of the Beaver Broke Sb mine, Newfoundland, Canada (joint project with BGR Hannover, Geological Survey of Newfoundland and Labrador), with D. Sandmann
• 08/2008 Excursion No. 15 of 33 IGC in Oslo: "Metallogeny and tectonic evolution of the Northern Fennoscandian Shield / Finland and Sweden"
• 08+09/2007 Field work: "Au and Ag deposits in western Nevada, USA"
• 12/2006 Field work: "Cu-Au-Ag-Co-Mo deposit Luo Dong, LaLa district, Sichuan, P.R. China", joint project with the University of Chengdu and Institute of Multipurpose Utilisation of Mineral Resources Chinese Academy of Geological Sciences (Sichuan, PR China)
• 07/1999 Field work: "Ag-Pb-Zn vein-type deposits of the Coeur d'Alene District, Idaho, USA",
• 07/1982 (as a student): BAF student excursion "Geology and industrial mineral deposits of the Harz Mts. and the Sub-Hercynian Basin" (leader: M. Kurze)
• 04/2006 Field work: Charters Towers Au district/Queensland
• 04/2006 Field work: Olary Distrikt/South Australia (joint project with University of Adelaide and Geological Survey of South Australia)
• 04/2005 Field work: "Ti-placer exploration in southern Vietnam", joint project with PROFUND Trade Development (Erfurt, Germany)
• 03/2005 Field work: "Ag(-Au)-polymetallic and Cu-Ag deposits in central and northern Mexico (Ag-Pb-Zn-Au deposit Fresnillo, Ag-Au deposit Pachuca, Ag-Au deposit Guanajuato, Cu-Ag porphyry deposit Cananea)"
• 07/2002 Excursion "Volcanism and Hydrothermalism of the Iceland plume"
• 02/2001 Field work: "Cu-Mo-rich breccia pipes of the Cu-Mo porphyry deposit El Teniente, Chile"
• 08/1999 SGA-Excursion: "Geology and tin and kaolin deposits of Cornwall", 5th biennial SGA meeting and 10th quadrennial IAGOD symposium, London, August 1999
• 07/1999 Field work: "Ag-Pb-Zn vein-type deposits of the Coeur d'Alene District, Idaho, USA", NATO International Scientific Exchange Programmes with G. Beaudoin, D. Leach, A. Hofstra and K. Zak 1999)
• 02+03/1999 Field work (industrial project): "Exploration of Au placers in Yuma County, W-Arizona"
• 09/1998 Excursion to giant ore deposits in Australia: Broken Hill, Olympic Dam, Mount Isa
• 05/1997 Field work and excursion: "Diamond deposits of the Kimberley and Barkley-West districts, RSA"
• 04/1997 SEG Field Conference "Geology and VMS deposits of the Iberian Pyrite Belt with excursion to the Neves Corvo underground mine"
• 07-09/1996 field work in Canada (NATO project): Ag-Pb-Zn district Kokanee Range/British Columbia with G. Beaudoin; Sn-W-In deposit Mount Pleasant/New Brunswick; Sb deposit Lake Georges/New Brunswick
• 09/1995 Geological assessment of tin- and polymetallic deposits in the Highlands oft he Sichuan Province, PRC (with University Chengdu)
• 02/1995 Field work: epithermal Au-Te vein-type and Cu-Au porphyry deposits on the island of Veti Levu/Fiji Islands (Geological Survey of Fiji) and active hydrothermal sytemes and bimodal magmatism of the Taupo Vulcano-Zone, New Zealand (Wairakei Research Centre, Taupo)
• 10/1993 Field work with TEK-Exploration Canada: Cu-Au-/Cu-Mo-Porphyries (Highland Copper Valley, Ajax Cu-Au deposit / Iron Mask, B.C.; lamprophyric intrusions and associated Au-polymetallic vein-type mineralisation (Rossland, B.C.)
• 04/1990 Excursion "Geology and mineral deposits of the Fichtelgebirge and Bavarian Forest" (with M. Wolf and M. Kurze)
• 07-08/1983 (as a student): BAF student excursion "Geology and mineral / rock deposits of Armenia" (leader: W. Weber and R. Kumann)