Initiation of the Andean orogeny by lower mantle subduction

Claudio Faccenna, University Roma Tre, Science, Rome, Italy, Onno Oncken, GeoForschungsZentrum GFZ, Potsdam, Germany, Adam Holt, Massachusetts Institute of Technology, Cambridge, MA, United States and Thorsten W Becker, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States