Reminder: deadline for oral presentations at joint IGCP 653-735 annual (virtual) meeting

Dear all, 

This short post is to remind you that this Friday (July, 16th) is the deadline to apply for oral presentations at the joint IGCP 653735 annual (virtual) meeting in Lille (see links below). Registration is free, but compulsory, if you are willing to participate. Deadline for abstract submission is July, 30th, but only regularly registered participants can submit their abstracts. If you are simply willing to attend this meeting (and not participate to it), the deadline for registration is September, 10th.  

Important dates:
Application deadline for all presentations: 16th July 2021
Abstract submission deadline: 30th July 2021
Submission deadline of lightning presentation materials: 30th August 2021
Application of participation deadline (for audience without presentation): 10th September 2021
Conference Days: 13th to 16th September 2021

Register for FREE online at

In case of problems with the online registration, please fill in this form and send it to the congress organizers at

For additional information, visit the conference website or the first circular. 

We look forward to your participation in the conference!

–Conference organizers

Workshop in Lyon

The co-leaders of IGCP 653-735 and some voting members of the Subcommission on Ordovician Stratigraphy will meet for a workshop at Lyon, France, from November 28th to December 1st, 2021, with the following provisional programme: 
Sunday, November 28th: arrival of participants
Monday, November 29th: scientific meeting and discussion: Results of IGCP 653
Tuesday, November 30th: scientific meeting and discussion: Perspectives of IGCP 653 and objectives of IGCP 735
Wednesday, December 1st: departure
All participants of IGCP 653 and 735 are welcome. Please, contact the co-leaders if you are interested!