1. Department of Geological Sciences, Jackson School of Geosciences University of Texas at Austin Austin TX USA
2. Now at Department of Geoscience University of Nevada, Las Vegas Las Vegas NV USA
3. Institute for Geophysics, Jackson School of Geosciences University of Texas at Austin Austin TX USA
4. Department of Earth Sciences University of Hong Kong Hong Kong China
5. CONICET and Universidad Nacional de San Juan (CIGEOBIO), Departamento de Geofísica y Astronomía FCEFN‐UNSJ San Juan Argentina