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German-Austrian-Swiss Clay Group
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11th International DTTG-Workshop "Qualitative and Quantitative Analysis of Clays and Clay Minerals" 2025
The 11th workshop will take place from March 10-14 in Krakow/PL. The website with detailed information is online and will be updated regularly. Stay tuned: The number of participants in the workshop is limited and places are booked up very quickly.

11. MECC 2024 in Plzen/CZ
The Mid European Clay Conference (MECC) took place from 16.09. - 20.09.2024. Despite some cancellations due to flooding, a dense and high quality technical programme was put together. With 18 participants, the DTTG represented the largest proportion of participating clay groups and was particularly pleased to be honoured by Prof. Katja Emmerich, long-standing DTTG member and past president, who delivered the Brown Lecture. Since 2000, the British Clay Minerals Group (CMG) has presented this award in recognition of outstanding research in the field of clays and clay minerals. Prof. George Brown (1926-1996) was one of the best known British clay researchers. The DTTG warmly congratulates Prof Emmerich, whose Brown Lecture on the large-scale experiment 'Sandwich' and interactions of water and smectites places her in the list of award winners behind famous clay researchers such as Prof Drits and Prof Nadeau.

Georg Brown Lecture Katja Emmerich

The DTTG also proudly congratulates our student member Wolfgang Zucha, who received the award for the best student presentation.

Best student presentation Wolfgang Zucha.jpg

The next MECC conference will take place in Zurich in two years' time and will be organised by the DTTG. Visitors to the Zurich conference can also expect a packed programme on clays and clay minerals, ranging from experimental work to modern molecular dynamics calculations. The typically informal atmosphere of this conference series will also contribute to its success in Zurich.
Stephan Kaufhold, Hannover


REYNOLDS-CUP 2024
The 2024 (12th) biennial Reynolds Cup competition on quantitative mineralogical analysis is closed.
Note – due to some delays with shipping samples the deadline for submitting results was postponed and the date and venue for announcing the results is still to be decided. The top three contestants with the most accurate results will be announced most probably at the XVIII International Clay Conference (13 - 18 Jul, Dublin, IE). Only the names of the top three contestants will be published. The names of the others will remain strictly confidential.
Reynolds Cup 2024 organisers
update: 1 Jan 2025
Web-Moderator M. Ploetze