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News articles about "Mantle"

Understanding how mountains and rivers make life possible

Favorable conditions for life on Earth are enabled in part by the natural shuttling of carbon dioxide from the planet's atmosphere to its rocky interior and back again Now Stanford scientists have devised a pair ... - Read More

Organic chemical origins in hydrothermal systems

Organic, organic, Organic
Serpentinite hosted hydrothermal systems have been suggested as likely sites for the formation of organic compounds in the abiotic conditions of early Earth that is in the absence of living organisms Such compounds were likely ... - Read More

Massive exoplanets may be more Earth-like than thought: 'Super-Earths' likely to have oceans, continents

Oceans
Massive terrestrial planets called super Earths are known to be common in our galaxy the Milky Way Now a Northwestern University astrophysicist and a University of Chicago geophysicist report the odds of these planets having ... - Read More

X-rays reveal inner structure of Earth's ancient magma ocean

Ocean, X-Rays, Structure, X-rays, Structure, Earth, Ocean, earth
Using the world's most brilliant X ray source scientists have for the first time peered into molten magma at conditions of the deep Earth mantle The analysis at DESY's light source PETRA III revealed that ... - Read More

Probing methane's secrets: From diamonds to Neptune

Neptune
Hydrocarbons from Earth make up the oil and gas that heat our homes and fuel our cars The study of the various phases of molecules formed from carbon and hydrogen under high pressures and temperatures ... - Read More

Earth's core affects length of day

Earth, earth
Researchers studied the variations and fluctuations in the length of day over a one to 10 year period between 1962 and 2012 Research at the University of Liverpool has found that variations in the length ... - Read More

New 'embryonic' subduction zone found

Oceans
A new subduction zone forming off the coast of Portugal heralds the beginning of a cycle that will see the Atlantic Ocean close as continental Europe moves closer to America Published in Geology new research ... - Read More

Noble gases hitch a ride on hydrous minerals

Minerals, Minerals
The six noble gases do not normally dissolve into minerals leaving earth scientists to wonder how they are subducted back into the Earth Researchers at Brown have discovered that the lattice structure of minerals such ... - Read More

Secrets of biological soil crusts uncovered

biological
They lie dormant for years but at the first sign of favorable conditions they awaken This sounds like the tagline for a science fiction movie but it describes the amazing life cycles of microbial organisms ... - Read More

Lava erupting on sea floor linked to deep-carbon cycle

sea
Scientists from the Smithsonian and the University of Rhode Island have found unsuspected linkages between the oxidation state of iron in volcanic rocks and variations in the chemistry of the deep Earth Not only do ... - Read More

Lava erupting on sea floor linked to deep-carbon cycle

sea
Scientists from the Smithsonian and the University of Rhode Island have found unsuspected linkages between the oxidation state of iron in volcanic rocks and variations in the chemistry of the deep Earth Not only do ... - Read More

Earth's center is 1,000 degrees hotter than previously thought, synchrotron X-ray experiment shows

X-ray
Scientists have determined the temperature near the Earth's centre to be 6000 degrees Celsius 1000 degrees hotter than in a previous experiment run 20 years ago These measurements confirm geophysical models that the temperature difference ... - Read More

Unique Chemistry Reveals Eruption of Ancient Materials Once at Earth's Surface

was subducted into the mantle more than 2.5 billion years ago and recycled into the mantle source of the Mangaia lavas ” said Rita Cabral the study’s primary author and a graduate student in Boston ... - Read More

Rethinking early atmospheric oxygen: Possibility of more dynamic biological oxygen cycle on early Earth than previously supposed

Oxygen, Oxygen, oxygen
A research team of biogeochemists at the University of California Riverside has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere arguably the most important biological event in ... - Read More

Unique sulfur isotopes in plume lavas reveal deep mantle storage of archean crust

was subducted into the mantle more than 2.5 billion years ago and recycled into the mantle source of the Mangaia lavas ” says Rita Cabral the study’s primary author and a graduate student in BU’s ... - Read More

Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust But decisive evidence for this phenomenon has proven elusive New research from a team including Carnegie's Erik ... - Read More

Unique Sulfur Isotopes in Plume Lavas Reveal Deep Mantle Storage of Archean Crust

Founded in 1839 Boston University is an internationally recognized private research university with more than 30 000 students participating in undergraduate graduate and professional programs As Boston University’s largest academic division the College and Graduate ... - Read More

Nanotechnology imaging breakthrough

Nanotechnology, Nanotechnology, Nanotechnology, Nanotechnology
A team of researchers has made a major breakthrough in measuring the structure of nanomaterials under extremely high pressures For the first time they developed a way to get around the severe distortions of high ... - Read More

How carbon moves within planet plays big role in planetary atmosphere formation

Carbon, Atmosphere, Atmosphere, carbon
A new study in Proceedings of the National Academy of Sciences suggests that the way carbon moves from within a planet to the surface plays a big role in the evolution of a planet's atmosphere ... - Read More

Carbon's role in planetary atmosphere formation

Carbon, Atmosphere, Atmosphere, carbon
A new study in Proceedings of the National Academy of Sciences suggests that the way carbon moves from within a planet to the surface plays a big role in the evolution of a planet's atmosphere ... - Read More
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