1-1-1-1-1-1-1-1-1-1-1-1-1-1 From: "Pablo AgustÃn Salgado" <pabloagustinsalgado@xxxxxxxxxxxxxxxxxxxxxx> Dear colleagues, Regarding the evolving local and global COVID-19 situation, the XXI ARGENTINE GEOLOGICAL CONGRESS committee has decided to postpone the meeting to 20-24 September 2021, Puerto Madryn, Chubut (Argentina). More precise details had been communicated to all registered participants. The 19. Session on Volcanic Ash organizing committee will provide updates as soon as possible regarding a further call for abstracts. Please remember that, although the official language is Spanish, contributions in English and Portuguese will be also accepted. You may find more details at http://www.congresogeologico.org.ar/ Or feel free to contact us simposiocenizas.cga2020@xxxxxxxxx or the Congress Secretariat XXICGAPM@gmail. <XXICGAPM@xxxxxxxxx>com <simposiocenizas.cga2020@xxxxxxxxx> We really hope you are all staying safe and healthy. Bets wishes, *The Session conveners:* Reckziegel, Florencia Mabel (Argentina); Fuentes Iza, Franciso (Chile); Huerta, Catherine (Chile); Rovere, Elizabeth (Argentina); and Salgado, Pablo AgustÃn (Argentina). 1-1-1-1-1-1-1-1-1-1-1-1-1-1 ------------------------------