1. Department of Civil Engineering and Advanced Mining Technology Center (AMTC), University of Chile, Santiago, Chile
2. Advanced Mining Technology Center (AMTC), University of Chile, Santiago, Chile
3. Department of Geophysics and Advanced Mining Technology Center (AMTC), University of Chile, Santiago, Chile
4. Anglo American, Chile
5. Department of Geophysics, Karlsruhe Institute of Technology, Karlsruhe, Germany