1. Department of Earth and Atmospheric Sciences Indiana University Bloomington IN USA
2. Department of Earth Sciences University of Connecticut Storrs CT USA
3. Carrera de Geología Facultad de Ingeniería Universidad del Desarrollo Santiago Chile
4. Instituto de Estudios Andinos—CONICET Universidad de Buenos Aires Buenos Aires Argentina
5. Department of Life, Earth, and Environmental Sciences West Texas A & M University Canyon TX USA
6. Department of Geosciences Virginia Tech Blacksburg VA USA