This is a reconstruction of the New Zealand region about 10 million years ago. The green area represents land. The major tectonic features we recognise today had formed, including the Alpine Fault in the South Island and the subduction zone, where the ocean floor is descending beneath the North Island.
Using this item
Reference: E. McSaveney and R. Sutherland, New Zealand adrift. 2nd ed. Lower Hutt: Institute of Geological & Nuclear Sciences, 2005
Permission of GNS Science must be obtained before any use of this image.