News tagged with plate tectonics

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Diamonds pinpoint start of colliding continents

Jewelers abhor diamond impurities, but they are a bonanza for scientists. Safely encased in the super-hard diamond, impurities are unaltered, ancient minerals that can tell the story of Earth's distant past. Researchers analyzed ...

dateJul 21, 2011 in Earth Sciences
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New explanation for Hawaiian hot spot

( -- Scientists in the US have suggested that volcanic activity in Hawaii could be fed by a giant hot rock pool 1,000 kilometers west of the islands and in the Earth’s mantle, rather than being fed by a hot ...

dateMay 27, 2011 in Earth Sciences report
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Earth's inner core is melting... and freezing

The inner core of the Earth is simultaneously melting and freezing due to circulation of heat in the overlying rocky mantle, according to new research from the University of Leeds, UC San Diego and the Indian Institute of ...

dateMay 18, 2011 in Earth Sciences
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Plate tectonics thanks to plumes?

"Knowing what a chicken looks like and what all the chickens before it looked like doesn't help us to understand the egg," says Taras Gerya. The ETH Professor of Geophysics uses this metaphor to address plate tectonics and ...

dateNov 11, 2015 in Earth Sciences
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Source of Northwest's next big quake mapped

A large team of scientists has nearly completed the first map of the mantle under the tectonic plate that is colliding with the Pacific Northwest and putting Seattle, Portland and Vancouver at risk of the largest earthquakes ...

dateNov 02, 2015 in Earth Sciences
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