GEOLOGICAL SOCIETY OF WASHINGTON Meeting Number 1604 John Wesley Powell Auditorium, Cosmos Club, 2170 Florida Ave NW Washington, D.C. Wednesday, October 30th, 2024; Refreshments 7:30 pm; Meeting: 8:00 pm. ***This is an in-person meeting*** +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Andy Campbell, Nuclear Regulatory Commission (retired) - Geochemistry of hydrothermal vents in the Gulf of California Christina DeVera, USGS - USGS Geoheritage Sites of the Nation Inventory: Connecting geologic mapping and societal values to reach a broad audience Ryan McAleer, USGS - Microtextures and microchemistry in retrograde shear zones and their implications for geochronology, deformation mechanisms, and rock strength (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 Dan Doctor (drkrasATgmail) know ahead of time. *********************