GEOLOGICAL SOCIETY OF WASHINGTON Meeting Number 1578 John Wesley Powell Auditorium, Cosmos Club, 2170 Florida Ave NW Washington, D.C. Wednesday, April 27, 2022; Refreshments 7:30 pm; Meeting: 8:00 pm. ***THIS IS A HYBRID MEETING. THE ZOOM LINK WAS SENT IN A SEPARATE ANNOUNCEMENT. IF YOU DID NOT RECEIVE THE SEPARATE ANNOUNCEMENT WITH THE VIRTUAL INFORMATION, PLEASE CHECK YOUR SPAM FOLDER. OTHERWISE, CONTACT MICHAEL ACKERSON (ACKERSONM@SI.EDU<mailto:ACKERSONM@SI.EDU>) FOR THE MEETING LINK.*** +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Steve Shirey, Earth and Planets Laboratory, Carnegie Institution for Science – What super deep diamonds tell us about a top-100 question in science: What causes deep focus Earthquakes? Scott Guzewich, NASA Goddard Space Flight Center – Volcanic climate warming. Jens Barosch, Earth and Planets Laboratory, Carnegie Institution for Science – Initial analysis of asteroid Ryugu: Organics and presolar grains. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ TALKS WILL BE 20 MINUTES w/ QUESTIONS TO FOLLOW If anyone has any announcements or informal communications they would like to share with the society, please let us or Larry Meinert know ahead of time. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Meeting will be “locked” 15 min. after the formal program begins and new attendees will only be allowed in between talks. In-person attendees will be required to show proof of vaccination at the door. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Future Meetings 2022: May 11 (In person, Cosmos Club). Know someone who would enjoy GSW? Consider inviting a colleague or friend to the meeting. Minutes of the previous meeting are posted on the GSW website for review by members. GSW website: <http://www.gswweb.org<http://www.gswweb.org/>>