Evenly-spaced columns in the Bishop Tuff as relicts of hydrothermal convection

Dr. Noah G Randolph-Flagg, PhD1, Stephen J Breen1, Andres Hernandez Nava1, Stephen Self1 and Michael Manga2, (1)University of California Berkeley, Berkeley, CA, United States, (2)University of California, Berkeley, Earth and Planetary Science, Berkeley, United States