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Press Release 13-002
Magma in Earth's Mantle Forms Deeper Than Once Thought
Study simulating pressures in mantle beneath the ocean floor shows that rocks can melt at depths up to 250 kilometers
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When magma reaches Earth's surface and erupts from a volcano, it becomes lava.
Credit: Wikimedia Commons |
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Magma generation seen from a cross-section of Earth's interior beneath oceanic ridges.
Credit: Dasgupta Group/Rice University |
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Peridotite is a pale green olive-colored rock derived from Earth's mantle.
Credit: Wikimedia Commons |
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Microscopic sample of rock in a high-pressure lab; it shows evidence of magma formation.
Credit: Dasgupta Group/Rice University |
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Geologist Rajdeep Dasgupta uses hydraulic presses to crush rocks at high pressures.
Credit: Jeff Fitlow/Rice University |
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Scientists Rajdeep Dasgupta, Ananya Mallik and Kyusei Tsuno at work in the lab.
Credit: Jeff Fitlow/Rice University |
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