Home Events Formation of Early Terrestrial Crust in the Acasta Gneiss Complex Formation of Early Terrestrial Crust in the Acasta Gneiss Complex Add to Calendar Time Zone Converter --Select One-- EST/EDT PST/PDT CET/CEST EET/EEST Location: Share share Ann Bauer, of Yale University, will present a lecture at 11 a.m. EDT on April 19, 2018, in the Greenewalt Lecture Hall as part of DTM's Weekly Seminar Series.Coffee, tea, and a light breakfast will be served before the lecture, at 10:30 a.m.