13th International Symposium on the Ordovician System will be held from July 19th to July 22th, 2019 in Novosibirsk, Russia.
Full details are available in Third Circular.
- December 2018: Distribution of the Third Circular
- December 2018-February 2019: Registrations for the Symposium
- 15 February 2019: Deadline for submission of abstracts
- March/April 2019: Fourth Circular appears in Ordovician News with final Program and Arrival Instructions
- Pre-Symposium field trip 1 (Ordovician of St. Petersburg): July 15-17, 2019
- Pre-Symposium field trip 2 (Ordovician of the Altai Mountains): July 09-18, 2019
- Scientific sessions, Novosibirsk: July 19-22, 2019
- Post-Symposium field trip (Ordovician of the Siberian Platform): July 22-30, 2019