IDE : S Simon, GUP 60011 Aug 14, 2019 Calendar When: November 12, 2019 all-day 2019-11-12T00:00:00-06:00 2019-11-13T00:00:00-06:00 13 IDE IDE : S Simon, GUP 60011*, “The Valence of Cr and Ti in Chondritic Meteorites”, Nov 12 (9am) – Nov 15 (8am)