GEOLOGICAL SOCIETY OF WASHINGTON Meeting Number 1599 John Wesley Powell Auditorium, Cosmos Club, 2170 Florida Ave NW Washington, D.C. Wednesday, March 27th, 2024; Refreshments 7:30 pm; Meeting: 8:00 pm. ***This is an in-person meeting*** +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Isabelle Cozzarelli, USGS - Evolution of geochemical process understanding gained from long-term investigations of the Bemidji, MN, terrestrial crude oil spill Geoffrey Gilleaudeau, George Mason University - Perspectives on Neoproterozoic continental weathering and ocean oxygenation and its effect on the evolving biosphere Ben Kligman, Smithsonian Institution - Searching for the hidden origins of living tetrapods in Triassic equatorial Pangaea (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 (dhdoctor@usgs.gov<mailto:dhdoctor@usgs.gov>) know ahead of time. **************** SPRING FIELD TRIP **************** The GSW spring field trip will be held Saturday, March 30, 2024 The Potomac terrane, Baltimore terrane, and Baltimore Mafic Complex, led by Rebecca Adams, Maryland Geological Survey Bring a lunch and meet at 9am in the Woodstock parking area of Patapsco Valley State Park, Maryland (please check the www.gswweb.org<http://www.gswweb.org/> for additional trip details) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 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/>> Upcoming 2024 meetings: April 24 at Carnegie Earth and Planets Laboratory May 8 at Cosmos Club ++++++++++++++++++++++++++++++++++++++++++++++++++ ********************* Daniel H. Doctor U.S. Geological Survey 12201 Sunrise Valley Drive Mail Stop 926A Reston, Virginia, 20192 Phone: 703-648-6027 https://www.usgs.gov/staff-profiles/daniel-h-doctor