News tagged with mantle

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Mapping the Moho with GOCE

The first global high-resolution map of the boundary between Earth's crust and mantle – the Moho – has been produced based on data from ESA's GOCE gravity satellite. Understanding the Moho will offer new clues into ...

dateMar 09, 2012 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. ...

dateFeb 26, 2012 in Earth Sciences
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Plate tectonics modelled realistically

Swiss scientists have for the first time succeeded in realistically simulating how an oceanic plate sinks of its own accord under an adjacent plate. At the same time they showed why only one of the plates ...

dateFeb 23, 2012 in Earth Sciences
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A new kind of metal in the deep Earth

(PhysOrg.com) -- The crushing pressures and intense temperatures in Earth's deep interior squeeze atoms and electrons so closely together that they interact very differently. With depth materials change. New ...

dateDec 19, 2011 in Condensed Matter
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Earthquakes: Water as a lubricant

Geophysicists from Potsdam (Germany) have established a mode of action that can explain the irregular distribution of strong earthquakes at the San Andreas Fault in California. As the science magazine Nature reports in its ...

dateNov 30, 2011 in Earth Sciences
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