« All Events This event has passed. DGS Seminar – Christine Bassett & Taylor Woods 8 November, 2019 @ 3:30 pm - 4:30 pm “Chemical Alteration of Volcanic Ash Due to Simulated Lightning” Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: 8 November, 2019 Time: 3:30 pm - 4:30 pm