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German-Austrian-Swiss Clay Group



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DTTG Workshop 2019
The 8th DTTG Workshop "Qualitative and Quantitative Analysis of Clays and Clay Minerals", offered every two years, was held for the second time this year at the University of Greifswald 18th to 22nd of February 2019. It was again a true international workshop. There were over 40 applicants for the 15 spots from all over the world. Even from South Korea came 2 late applicants. The participants we were able to accept came from Brazil, Great Britain, Poland, Portugal, Sweden, Spain and Germany. There were students, scientists from universities, state offices and industry. This time many came from soil science, where clay mineralogy is becoming of greater interest. The focus of the workshop is to convey theory and practice to the participants. For each lecture there were practical exercises, which the participants had to solve. In addition to the many exercises, the participants especially liked the active exchange between the participants and the lecturers. Once again, the highlights were the social events in the legendary Geologenkeller, as well as the dinner in the Fischerhütte. The 11 lecturers of the workshop were supported by the DTTG as well as the DBG. The 2021 workshop will be held at the FGK - Research Institute for Inorganic Materials - Glass / Ceramics in Höhr-Grenzhausen near Koblenz. If you are interested register early or contact the FGK.
For the organizing team Georg Grathoff and Laurence Warr.

Participants and lecturers of the 2019 workshop in front of the TEM.
Participants and lecturers of the 2019 workshop in front of the TEM.

9. MECC 2018 in Zagreb/Kroatien
Every two years the MECC clay societies meet in one of their member countries. After the 2016 meeting in Kosice, Slovenia, 128 scientists from 28 nations came to Zagreb in Croatia this year. With over 20 members present, DTTG was once again one of the most strongly represented societies at the conference. With a total of 11 sessions, the lecture programme and the poster exhibition were again broadly diversified across all subject areas of clay mineralogy. A total of 16 of the 78 lectures were held by or with the participation of members of DTTG, who were also represented as chairs at 6 sessions. In addition, 5 of 26 poster contributions were presented with the participation of DTTG members. From DTTG point of view the best students poster award for Wolfgang Lieske from the Ruhr-University Bochum (Impact of polymer-characteristics on the hydro-mechanical properties of polycationic modified bentonite) has to be emphasized positively in this context.
Stephen J. Hillier from the James Hutton Institute gave his George Brown Award Lecture on quantitative analysis of clay minerals and weakly ordered mineral phases. An impressive presentation on phase analysis from the most successful Reynolds Cup participant to date. Stephan Kaufhold from the BGR Hannover was honoured with the Lagaly Award of the DTTG in recognition of his many years of work and contributions on the properties and characteristics of bentonites. Congratulations to Stephan for this international award.

DTTG Chairman Reinhard Kleeberg presents the Lagaly Award to Stephan Kaufhold
DTTG President Reinhard Kleeberg presents the Lagaly Award to Stephan Kaufhold

The anniversary conference of the 10th MECC will then take place in 2020 from 13 to 17 September in Kliczków, Poland. Report: Matthias Schellhorn, Dornburg; Albert Gilg, Munich

General meeting of the DTTG 2018 on the occasion of the 9th MECC
The general meeting of DTTG members with new elections of the board was held on Thursday, 20 September. During the meeting, Reinhard Kleeberg (Freiberg) handed over the presidency to Matthias Schellhorn (Dornburg). Georg Grathoff (Greifswald) was elected Vice President and Secretary. Kristian Ufer (Hanover) was confirmed in his office as treasurer. The advisory boards Michael Plötze (Zurich) - with a special function as webmaster - Jan Dietel (Hanover) and Albert Gilg (Munich) were also re-elected. New members are Annette Süssenberger (Zurich), the student representative on the advisory board, and Ralf Diedel (Dornburg) and Stephan Kaufhold (Hanover) as further advisory board members. Franz Ottner (Vienna), Stefan Dultz (Hanover) and our long-time President Helge Stanjek (Aachen) retired from the Advisory Board. Special thanks go to all of them for their valuable work over the past years.

The 9th biennial Reynolds Cup competition for quantitative mineral analysis is completed. The top three contestants were announced at the 55th Annual Meeting of the Clay Minerals Society . The first place went to Steve Hillier and his team from The James Hutton Institute in Aberdeen who is now the most successful participant overall. Second place went to the team of Bruno Lanson (ISTerre -Univ. Grenoble Alpes/CNRS). The DTTG again succeeded with a top position, this time with the third by Michael Plötze and his team from the Claylab at the ETH Zurich. Details about the Reynolds Cup itself and about previous winners can be found here.

DTTG is the most successful group of participants with 14 places in the top three and many in the top 10!
2002: first and second place (Reinhard Kleeberg, TU Bergakademie Freiberg and Reiner Dohrmann, NLfB, BGR Hannover)
2004: third place (Michael Plötze, ETH Zurich)
2006: third place (Reinhard Kleeberg, TU Bergakademie Freiberg)
2008: second and third place (Reinhard Kleeberg & Kristian Ufer, TU Bergakademie Freiberg and Katja Emmerich & Annett Steudel, KIT Karlsruhe).
2010: third place (Reinhard Kleeberg & Kristian Ufer, TU Bergakademie Freiberg).
2012: first place (Michael Plötze, ETH Zurich) and third place (Reinhard Kleeberg, TU Bergakademie Freiberg and Robert Möckel, Helmholtz Institut Freiberg).
2014: first place (Reinhard Kleeberg, Ulf Kempe, TU Bergakademie Freiberg and Robert Möckel, Helmholtz Institut Freiberg) and shared third place (Kristian Ufer, Stephan Kaufhold, Reiner Dohrmann, BGR Hannover and Jan Dietel, Jasmaria Wojatschke, University of Greifswald).
2016: first place (Rieko Adriaens, Gilles Mertens, QMINERAL & KU Leuven).
2018: third place (Michael Plötze, ETH Zurich)

The AIPEA General Assembly at the ICC2017 in Granada has elected our long-standing treasurer, Reiner Dohrmann (LBEG Hanover), as the new President 2017-2021. Congratulations and lots of success in the upcoming tasks.
Dohrmann AIPEA President

update: 8 May 2019
Web-Moderator M. Ploetze