Magma pulses may reveal Earth's 'heartbeat'

 作者:敬苴     |      日期:2019-03-08 01:02:04
By Catherine Brahic EARTH may have a heartbeat. Evidence from Hawaii and Iceland hints that the planet’s core may be dispatching simultaneous plumes of magma towards the surface every 15 million years or so. If the hypothesis is true, it would revolutionise our ideas of what’s happening far below our feet. Independent scientists contacted by New Scientist were split, with some scornful and others intrigued. Rolf Mjelde of the University of Bergen and Jan Inge Faleide of the University of Oslo, both in Norway,