Navigation for Our Changing World

Hangi stones and magnetism

Hangi stones collected from archaeological sites around New Zealand have allowed geophysicists to work out how the magnetic field in the southwest pacific has changed over the last 600 years.

600-year old hangi site on Great Mercury Island photo Gillian Turner/VUW

Great Mercury Island hangi stones, capped with plaster of paris ready for removal photo Gillian Turner/VUW

Archaeological hangi site at Matahi Forest photo Gillian Turner/VUW

Orientation of hangi stones prior to removal from the site photo Gillian Turner

Hangi stones of various ages with their orientation marked on a plaster of paris cap photo Alison Ballance

Bruce McFadgen Rimpy Kinger and Gillian Turner photo Alison Ballance

Experimental hangi at Waiwhetu marae Matariki 2012 photo Gillian Turner/VUW

The images in this gallery are used with permission and are subject to copyright conditions.