1. CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, Université Clermont Auvergne, Aubiere Cedex, France.
2. Earth Sciences Department, Simon Fraser University, Burnaby, British Columbia, Canada.
3. Earth Sciences Department, University of Torino, Torino, Italy.
4. Cordilleran Geoscience, Squamish, British Columbia, Canada.
5. Geography Program and Natural Resources and Environmental Studies Institute, University of Northern British Columbia, British Columbia, Canada.
6. GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany.