EPS Colloquium – Anne Bauer, University of Wisconsin, Madison & Jesse Reimink, Pennsylvania State University Monday, October 19, 2020 12:00 – 1:00pm Zoom Home Events EPS Colloquium – Anne Ba… Hafnium isotopes in zircons document the gradual onset of mobile-lid tectonics/ Juvenile crustal growth around Eoarchean Nuclei Watch Recording