Daphne E. Lee (a), R. Ewan Fordyce (a), John Conran (b), Tammo Reichgelt (a), Bethany Fox (c) & Elizabeth M. Kennedy (d)
(a) Department of Geology, University of Otago, PO Box 56, Dunedin, New Zealand. E-mail: daphne.lee@otago.ac.nz
(b) ACEBB & SGC, School of Earth and Environmental Sciences, The University of Adelaide, SA 5005, Australia.
(c) Department of Earth Sciences, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand.
(d) GNS Science, PO Box 30-368 Lower Hutt, New Zealand.