Rain Blankenship, University of Southern California, Los Angeles, CA, United States, A. Joshua West, University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, Cristiano M Chiessi, University of São Paulo, School of Arts, Sciences and Humanities, São Paulo, Brazil, Paul Baker, Duke University, Earth and Climate Sciences, Durham, United States, Sherilyn Fritz, University of Nebraska Lincoln, Earth and Atmospheric Sciences, Lincoln, United States, Cleverson Silva, Universidade Federal Fluminense, Niteroi, Brazil, Carlos Jaramillo, Smithsonian Tropical Research Institute, Panama, Panama, André Sawakuchi, Universidade de São Paulo, Instituto de Geociências, São Paulo, Brazil, Anders J Noren, CSD, Department of Earth and Environmental Sciences, University of Minnesota, ESCI, Minneapolis, United States and Trans-Amazon Drilling Scientific Party