News tagged with upper mantle

Looking for a new gold mine? We've got the map

As published this month in Nature Geoscience, researchers and industry partners have produced the first major 'cat scan of the earth'. Their work reveals a new chart of the sub-continental lithosphere mantle and its potential ...

dateOct 28, 2013 in Earth Sciences
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Earth's mantle plasticity explained

Earth's mantle is a solid layer that undergoes slow, continuous convective motion. But how do these rocks deform, thus making such motion possible, given that minerals such as olivine (the main constituent of the upper mantle) ...

dateMar 07, 2014 in Earth Sciences
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Volcanoes deliver two flavors of water

Seawater circulation pumps hydrogen and boron into the oceanic plates that make up the seafloor, and some of this seawater remains trapped as the plates descend into the mantle at areas called subduction zones. By analyzing ...

dateFeb 26, 2012 in Earth Sciences
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