Dear CMS Members: We are looking forward to your attendance at the 57th Annual Clay Minerals Society (virtual) Meeting, October 18-23, 2020. While it is unfortunate that we are unable to meet in person this year, we are excited for the terrific program we have prepared! Attached please find the “Program-at-a-Glance” and a zoom webinar document, with all of the zoom log in information that you will need to join specific sessions over the duration of the meeting. The full detailed program can be viewed on the conference website here: https://www.cvent.com/events/clay-minerals-society-57th-annual-meeting/custom-38-74c571c7cbcd4100b517a40662d0ff9b.aspx Lastly, if interested, please be sure to register for the ICDD Workshop, “X-Ray Diffraction Applications: JADE Software”. This workshop was added to the registration process just recently, therefore some of you may have missed it in the registration process. Thank you and we are looking forward to a great meeting! Dr. Nik Qafoku – General Chair Dr. Jim Amonette – Deputy General Chair