1. Marine Geoscience, GNS Science, 1 Fairway Dr, Lower Hutt 5010, New Zealand
2. Geothermal Science, GNS Science, Wairakei Research Centre, 114 Karetoto Rd, Taupō 3384, New Zealand
3. School of Science, University of Waikato, 21 Ruakura Rd, Hamilton 3240, New Zealand
4. Department of Chemical and Process Engineering, University of Canterbury, 20 Kirkwood Ave, Upper Riccarton, Christchurch 8041, New Zealand
5. School of Biological Sciences, University of Canterbury, 20 Kirkwood Ave, Upper Riccarton, Christchurch 8041, New Zealand