Zooming into the ParanĂ¡-Etendeka silicic volcanics, southern Brasil: a physical volcanological approach

Darren McClurg Gravley1, Guilherme A R Gualda2, Lydia Jane Harmon3, Samantha Tramontano2, Ana Carolina Franciosi Luchetti4 and Antonio Nardy4, (1)University of Canterbury, Christchurch, New Zealand, (2)Vanderbilt University, Earth and Environmental Sciences, Nashville, TN, United States, (3)Arizona State University, School of Earth and Space Exploration, Tempe, United States, (4)Universidade Estadual Paulista, Petrologia e Metalogenia, Rio Claro, Brazil