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The DTTG was founded on 28 March 1972 in Kiel from a working group "Clay minerals" at this time funded by the German Research Foundation DFG. The DTTG is a society registered in Germany under "German clay and clay minerals group" at the registry office Cologne. The DTTG is the community of clay researchers and users particularly from Germany, Austria and Switzerland. The society business is led by the executive committee. At least every two years a meeting of the members takes place. The society pursues exclusively and directly non-profit purposes.


Contact information
Dr. Georg Grathoff
University Greifswald
Institute for Geography and Geology
Friedrich-Ludwig-Jahn-Str. 17A
D-17487 Greifswald

Executive board
President: Dr. Georg Grathoff University Greifswald, Institute for Geography and Geology
Vice president, Secretary and Webeditor: Dr. Michael Plötze ETH Zürich, IGT, ClayLab
Treasurer: Dr. Kristian Ufer Federal Institute for Geosciences and Natural Resources Hannover

Advisory board
Dr. Jan Dietel State Laboratory Berlin-Brandenburg
Prof. Dr. Katja Emmerich KIT Karlsruhe Institute of Technology, CMM
Prof. Dr. H. Albert Gilg TU München, Engineering Geology
Dr. Stephan Kaufhold Federal Institute for Geosciences and Natural Resources Hannover
Dr. Wolfgang Lieske Ruhr-University Bochum
student representative Florian Christ Ruhr-University Bochum
Past presidents
Dr. Matthias Schellhorn Stephan Schmidt KG, Dornburg
Dr. Reinhard Kleeberg TU Bergakademie Freiberg, Institute for Mineralogy
update: 9 Nov 2022
Web-Moderator M. Plötze