[1] GFZ Helmholtz Res Ctr Geosci, Potsdam, Germany
[2] Univ Potsdam, Inst Geosci, Potsdam, Germany
[3] Occidental Coll, Dept Geol, Los Angeles, CA USA
[4] Roma Tre Univ, Dept Sci, Rome, Italy
[5] Sorbonne Univ, CNRS, Inst Sci Terre Paris, INSU, Paris, France
[6] Dalhousie Univ, Dept Earth & Environm Sci, Halifax, NS, Canada