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The team's experiments compared carbon's compatibility with the silicates that comprise the Earth's mantle (outer circle) to its compatibility with the iron that comprises the planet's core (inner circle) while under conditions mimicking the Earth's interior during its formative period. They found that more carbon would have stayed in the mantle than previously thought. Credit: Rebecca Fischer, Elizabeth Cottrell and Marion Le Voyer, Kanani Lee, and the late Erik Hauri.

Most of Earth’s carbon was hidden in the core during its...

Arial view of the Bungle Bungle range, May 2016. Credit: Creative Commons Attribution-Share Alike 4.0 International license. Nichollas Harrison

How the Bungle Bungles got their stripes

Earth

Earth’s Mantle, Not Its Core, May Have Generated Planet’s Early Magnetic...

The rocks the team analysed are the oldest preserved mantle rocks. They allow us to see into the early history of the Earth as if through a window. Credit: UNSW

Building blocks for life on Earth arrived much later than we...

The grey line in the rock, running from the foreground away under the boulder towards the mountains, is one of the shear zones from the study area. Credit: Lucy Campbell

‘Fossil earthquakes’ offer new insight into seismic activity deep below Earth’s...

The rising Earth from the perspective of the moon.

What other planets can teach us about Earth

Benjamin Johnson of Iowa State University woks at an outcrop in remote Western Australia where geologists are studying 3.2-billion-year-old ocean crust. Photo by Jana Meixnerova. Photos provided by Benjamin Johnson.

Geologists determine early Earth was a ‘water world’ by studying exposed...

They may not look like much, but CI chondrites – small fragile meteorites as shown here – are thought to be our best compositional equivalents of the bulk material of our solar system.

Earth formed much faster than previously thought

The cruise is led by Ursula Röhl of MARUM (left) and Debbie Thomas of Texas A&M University (right). They are supported by the Expedition Project Manager Laurel Childress.

International team starts on drilling expedition

Structure layers of the earth.

Scientists Find Iron ‘Snow’ in Earth’s Core

Earth's layers

New insights into the formation of Earth’s crust

A schematic summary of the effect of the convergence rate. Upper image shows a slow convergence rate allows thermal difussion and a derived reduction of slab's density (positive buoyancy). Lower image shows how a faster convergence rate increases the slab's density promoting the negative buoyancy. Credit: Kittiphon Boonma, Scientific Reports

Study explores the density of the tectonic plates and why they...

The Sentinel-6A spacecraft sits in its clean room in Germany's IABG space test center. The satellite is being prepared for a scheduled launch in November 2020 from Vandenberg Air Force Base in California. Credit: IABG

New Earth mission will track rising oceans into 2030

Earth

Telescopes and satellites combine to map entire planet’s ground movement

Hot Springs in Yellowstone National Park

How sulfur helped make Earth habitable before the rise of oxygen

Peaty sedimentary archive from a palm swamp collected with a Russian corer. (Image:Encarni Montoya)

A new study shows the evolution and changes of the vegetation...

A panoramic view of one of the Arico ignimbrite outcrops where the two units can be seen.(Image: Joan Martí)

A new study determines the influence of the topography over ...

This image shows the divisions between Earth’s layers. The ancient, continent-sized rock regions encircle the liquid outer core. Credit: Lawrence Livermore National Laboratory

New study suggests gigantic masses in Earth’s mantle untouched for more...

The mineral olivine contains melt inclusions (black dots), just a few micrometers in size. The geochemists isolated these inclusions and investigated the isotopic composition with mass spectrometers. Credit: Münster University - Felix Genske

Geochemists measure new composition of Earth’s mantle

The volcano Chimborazo, Ecuador, that Alexander von Humboldt surveyed in 1802. Photo: Spyros Theodoridis/CMEC

Why is Earth so biologically diverse? Mountains hold the answer

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