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Iron in ancient deep magma ocean probed by ultra-fast femtosecond X-ray lasers

Iron in ancient deep magma ocean probed by ultra-fast femtosecond X-ray lasers
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

National accelerator laboratorySchool of earthScience advancesSpace explorationProfessor dan shimExtreme conditionsLinac coherent light sourceSang heon shim

Beneath the Earth, ancient ocean floor likely surrounds the core

Tuscaloosa AL (SPX) Apr 10, 2023 - Through global-scale seismic imaging of Earth s interior, research led by The University of Alabama revealed a layer between the core and the mantle that is likely a dense, yet thin, sunk ocean floo

United kingdomUnited statesSamantha hansenEdward garneroSebastian rostMingming liUniversity of leedsArizona state universityUniversity of alabamaGeorge lindahlSang heon shimGlobally distributed subducted materialsCore mantle boundaryUltra low velocitySpace news

A new mineral from deep within Earth was found in a diamond s flaws

A mineral theorized to exist in the mantle was found hiding in a diamond. Dubbed davemaoite, it could explain where some of Earth’s heat comes from.

Oliver tschaunerLas vegasArizona state university in tempeUniversity of nevadaSang heon shimArizona state university

Seismic Sleuths Reveal Earth s Secret Mountains: A Hidden World Beneath Our Feet

Researchers from The University of Alabama discovered a dense layer of ancient ocean floor, or ultra-low velocity zone (ULVZ), between Earth's core and mantle using seismic imaging. These underground "mountains" could play a key role in heat escape from the core and the planet's magnetic field. T

United kingdomUnited statesEdwardj garneroLindsey kenyonEdward garneroSebastian rostSamantha hansenSamanthae hansenMingming liUniversity of alabamaArizona state universityUniversity of leedsUltra low velocity zoneArizona stateGeorge lindahlSang heon shim

A hidden world beneath our feet

Seismic waves from earthquakes in the Southern Hemisphere sample ULVZ structure along Earth's CMB and are recorded by sensors in Antarctica. Credit:

United statesUnited kingdomSebastian rostLindsey kenyonEdward garneroSamantha hansenMingming liArizona state universityUniversity of alabamaUniversity of leedsUltra low velocity zoneGeorge lindahlSang heon shimEquipment antarctic station

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