Scientists map deep origins of the 'Hawaiian Hotspot'
Thursday, December 3, 2009 - 17:21
in Earth & Climate
The Hawaiian Islands are one of the outstanding volcanic features on Earth, but their origins have been shrouded in mystery. Still in debate is a theory that was proposed forty years ago, which states that mid-plate hotspots such as Hawaii are generated by upwelling mantle plumes from the base of the lower mantle. Scientists have now put the theory to test.