New Zealand sits on top of the remains of a giant ancient volcanic plume
- Written by Simon Lamb, Associate Professor in Geophysics, Te Herenga Waka — Victoria University of Wellington

Back in the 1970s, scientists came up with a revolutionary idea about how Earth’s deep interior works. They proposed it is slowly churning like a lava lamp, with buoyant blobs rising as plumes of hot mantle rock from near Earth’s core, where rocks are so hot they move like a fluid.
According to the theory, as these...
Read more: New Zealand sits on top of the remains of a giant ancient volcanic plume