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

Darren McClurg Gravley1, Guilherme A R Gualda2, Lydia Jane Harmon3, Samantha Tramontano4, Ana Carolina Franciosi Luchetti5 and Antonio Nardy5, (1)University of Canterbury, Christchurch, New Zealand, (2)Vanderbilt University, Department of Earth and Environmental Sciences, Nashville, United States, (3)Arizona State University, School of Earth and Space Exploration, Tempe, United States, (4)American Museum of Natural History, New York, United States, (5)Universidade Estadual Paulista, Petrologia e Metalogenia, Rio Claro, Brazil