1. School of Geography, Environment and Earth Sciences Victoria University of Wellington Wellington New Zealand
2. Department of Geological and Environmental Sciences Ben Gurion University of the Negev Be'er Sheva Israel
3. Division of Geological and Planetary Sciences California Institute of Technology Pasadena CA USA
4. Department of Geology University of Otago Dunedin New Zealand
5. Institute for Geophysics Jackson School of Geosciences University of Texas at Austin Austin TX USA