Lara S Wagner, Carnegie Institution for Science Washington, Department of Terrestrial Magnetism, Washington, DC, United States, Gaspar Monsalve, Universidad Nacional de Colombia, Facultad de Minas, Medellín, Colombia, Christy B. Till, Arizona State Univeristy, Tempe, AZ, United States, Agustin Cardona, National University of Colombia, Bogotá, Colombia, Brian K Horton, Univ of Texas at Austin, Austin, TX, United States, Andres Mora Sr, Ecopetrol, Exploration Division, Bogota, Colombia, Mauricio Parra, The Univ of Texas at Austin, Campinas, Brazil, Thorsten W Becker, University of Texas at Austin, Austin, TX, United States, Claudio Faccenna, Dept. Science Univ. Roma TRE, Roma, Italy and Marlena Jones, Carnegie Institution for Science Washington, Carnegie Academy for Science Education, Washington, United States