Affiliation: | aGateway Antarctica, University of Canterbury, Private Bag 4800, Christchurch, New Zealand;bCanterbury Museum, Rolleston Avenue, Christchurch, New Zealand;cInstitute of Geological and Nuclear Sciences, Private Bag 1930, Dunedin, New Zealand;dInstitute of Geological and Nuclear Sciences, PO Box 30368, Lower Hutt, New Zealand;eSolid Energy New Zealand, PO Box 1303, 151 Kilmore Street, Christchurch, New Zealand |