News tagged with magma chambers

Magma chambers have a sponge-like structure

ETH researchers show that magma chambers under supervolcanoes are more like soggy sponges than reservoirs of molten rock. Before a volcano of this kind erupts, such mush must slowly be reactivated by heat input following ...

dateOct 05, 2017 in Earth Sciences
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Copper-bottomed deposits

The world's most valuable copper deposits, known as porphyry deposits, originate from cooling magma. But how can we predict the size of these deposits? What factors govern the amount of copper present? Researchers at the ...

dateMar 15, 2017 in Earth Sciences
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Mt. Aso could erupt much sooner, scientists warn

Damage from the 2016 Kumamoto earthquake could hasten Mt. Aso's eruption, volcanologists warn. In a paper published on Science, Kyoto University researchers and colleagues report new faults in the vicinity of Mt. Aso's magma ...

dateOct 20, 2016 in Earth Sciences
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Scientists see deeper Yellowstone magma

University of Utah seismologists discovered and made images of a reservoir of hot, partly molten rock 12 to 28 miles beneath the Yellowstone supervolcano, and it is 4.4 times larger than the shallower, long-known magma chamber.

dateApr 23, 2015 in Earth Sciences
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